{"schemaVersion":1,"symbol":"EWI","days":90,"observations":[{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-21T19:55:06.972000+00:00","captured_at":"2026-10-22T04:37:35.979Z","last_trade_at":"2026-10-22T00:00:00.090472211Z","price":56.31,"iv_pct":20.080190806639308,"implied_move_pct":4.53385554336863,"put_call_skew_pp":-11.911398118679761,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"70653adb4b53858b8d769366bbe55fba05275472e06ff0795655005d062c5c9b"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-22T18:28:10.565000+00:00","captured_at":"2026-10-22T18:43:08.251Z","last_trade_at":"2026-10-22T18:42:10.019786285Z","price":55.01,"iv_pct":23.251790123265177,"implied_move_pct":5.267736244240734,"put_call_skew_pp":-2.1632784158592266,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"1171cbebe1dfa277aaaf280742688af3184f20d22746a71c008b22296387a977"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-22T19:55:08.763000+00:00","captured_at":"2026-10-23T02:22:28.637Z","last_trade_at":"2026-10-23T00:00:00.091917314Z","price":55.02,"iv_pct":23.902011338782085,"implied_move_pct":5.444621991150673,"put_call_skew_pp":-2.3726793287584758,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"f3b5b284fe38662ecce283449a9cfa69379d5c8c363efaf398933344e6b7281b"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-23T17:24:42.504000+00:00","captured_at":"2026-10-23T17:35:26.348Z","last_trade_at":"2026-10-23T17:34:28.611659499Z","price":54.9,"iv_pct":17.65667755935802,"implied_move_pct":3.9403845991113164,"put_call_skew_pp":7.692612325690407,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"35c8e23245daf8b3227f3530dc597e9d130f5d293ad8d4720486c2a207127e6e"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-23T19:55:08.713000+00:00","captured_at":"2026-10-24T04:47:40.457Z","last_trade_at":"2026-10-24T00:00:00.168244588Z","price":54.98,"iv_pct":19.321840280018066,"implied_move_pct":4.227202750099392,"put_call_skew_pp":-2.3948919530376256,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"c68937659979cddde816602cd4958b4bfd84e0ee6c3c522389c98d7e2fc7cfc5"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-26T19:55:07.460000+00:00","captured_at":"2026-10-27T00:11:17.199Z","last_trade_at":"2026-10-27T00:00:00.116598424Z","price":55.41,"iv_pct":21.887307603542553,"implied_move_pct":4.654933952662559,"put_call_skew_pp":3.05842973933981,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"065bc8084a0d60b9ea2d5956d81964edd973dea91e2f8d50d875a55e20f9c167"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-27T19:55:04.026000+00:00","captured_at":"2026-10-27T23:03:31.091Z","last_trade_at":"2026-10-27T22:30:00.0032085Z","price":55.86,"iv_pct":20.05742178046673,"implied_move_pct":4.071599721438605,"put_call_skew_pp":8.398003399443674,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"6beefea01b47dc356324b9bd43383e4335506f106d0f8267157319c0d0223a0f"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-28T19:55:06.973000+00:00","captured_at":"2026-10-28T20:15:32.552Z","last_trade_at":"2026-10-28T20:10:00.002927575Z","price":56.14,"iv_pct":18.724655100208647,"implied_move_pct":3.8379893556713474,"put_call_skew_pp":1.4165842560234676,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"56b829645aeaade49676597b5e11234216463eaf01d6f18bba033bd67584cd4c"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-29T19:55:01.645000+00:00","captured_at":"2026-10-29T22:58:48.552Z","last_trade_at":"2026-10-29T22:30:00.003275924Z","price":56.39,"iv_pct":23.049079418197294,"implied_move_pct":4.50454722290505,"put_call_skew_pp":12.761479016432276,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"b9daec9c1ada18af69e246fcda6e5c6b543d455ff2c4033a0f732be74cc82759"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-10-30T19:55:02.677000+00:00","captured_at":"2026-10-30T22:30:31.045Z","last_trade_at":"2026-10-30T22:30:00.003304627Z","price":55.87,"iv_pct":26.003219444175773,"implied_move_pct":5.005594488594305,"put_call_skew_pp":19.26241667585017,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"76d5023a90ce4e8c5ad17bea5238af2255b3343b4f789df070a2923ec98f8d87"},{"symbol":"EWI","expiry":"2026-11-20","observed_at":"2026-11-03T20:55:02.766000+00:00","captured_at":"2026-11-04T00:42:57.693Z","last_trade_at":"2026-11-03T23:30:00.00325863Z","price":56.37,"iv_pct":28.614330869100467,"implied_move_pct":5.005449380957671,"put_call_skew_pp":8.952006469124463,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/EWI","source_hash":"e7abce1baea01ec6e5c7c4332d46293be1deda5e78734c5548d6345055c39c16"}],"dailyIv":[{"symbol":"EWI","date":"2026-08-10","iv_pct":18.197549985845306,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":17.943032351521005,"put_iv_pct":18.795836448598134},{"expiry":"2026-09-18","call_iv_pct":19.539827586206894,"put_iv_pct":15.91766190075694},{"expiry":"2026-12-18","call_iv_pct":15.28610478359909,"put_iv_pct":22.239373881932025},{"expiry":"2027-03-19","call_iv_pct":15.507169491525424,"put_iv_pct":20.351393442622946}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"120fb2221f34f972b6cd76b4d439cb97426aeb299a9b06685690d4a1cadf6965","captured_at":"2026-10-24T02:58:56.088808+00:00","observed_at":"2026-08-10T15:59:00-04:00","session_close_at":"2026-08-10T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-10","end_date":"2026-08-10","strike_range":20,"format":"json"},"source_hash":"5966b768a77bff636236b79ab02f18bb7c7d674138a903a6990a0e0969071173"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f435ee0c860c8eef83b5f84de25a10508a2bfd149f7f0907c8ea727eeced19f3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bcc59f0790c19f97d6da0ace6cad3f0547eed398cf4ec2745bac0dd2ba54f19"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"68e57775026175db44a4a1f38b8396325f8015702eb9e7abd58317a391f28aef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"65a9bebcadd9e991c202cf0d7e8484b27470ce810636c0fd4201286f5a62637b"}]},{"symbol":"EWI","date":"2026-08-11","iv_pct":17.04664118434507,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":16.408042474607573,"put_iv_pct":15.79843396226415},{"expiry":"2026-09-18","call_iv_pct":16.05916734033953,"put_iv_pct":16.39787853577371},{"expiry":"2026-12-18","call_iv_pct":12.480737018425458,"put_iv_pct":25.402665036674815},{"expiry":"2027-03-19","call_iv_pct":13.551167512690354,"put_iv_pct":20.275037593984962}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"2c317cde45cb906c9b6070f77167ba88e5e2e96e7b961e03762b82213768d4dc","captured_at":"2026-10-24T02:58:54.489578+00:00","observed_at":"2026-08-11T15:59:00-04:00","session_close_at":"2026-08-11T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-11","end_date":"2026-08-11","strike_range":20,"format":"json"},"source_hash":"d7a7a9b97d839425897d6f1375522547d5f675d988551b13a47701f43232f19a"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f435ee0c860c8eef83b5f84de25a10508a2bfd149f7f0907c8ea727eeced19f3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bcc59f0790c19f97d6da0ace6cad3f0547eed398cf4ec2745bac0dd2ba54f19"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"68e57775026175db44a4a1f38b8396325f8015702eb9e7abd58317a391f28aef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"65a9bebcadd9e991c202cf0d7e8484b27470ce810636c0fd4201286f5a62637b"}]},{"symbol":"EWI","date":"2026-08-12","iv_pct":18.402267771834072,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":16.919573333333332,"put_iv_pct":15.64345078979344},{"expiry":"2026-09-18","call_iv_pct":16.69355648535565,"put_iv_pct":16.235016286644953},{"expiry":"2026-12-18","call_iv_pct":15.330590318772137,"put_iv_pct":26.77060096153846},{"expiry":"2027-03-19","call_iv_pct":14.814328358208956,"put_iv_pct":24.81102564102564}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"41edf0ac140e67fd32737d6380bf1ca6ba7ec2f20388e0946d0b61d73a97d047","captured_at":"2026-10-24T02:58:52.952456+00:00","observed_at":"2026-08-12T15:59:00-04:00","session_close_at":"2026-08-12T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-12","end_date":"2026-08-12","strike_range":20,"format":"json"},"source_hash":"ef69e68e44b00ddd6c475157adabac99cfccad089282a2a736f22892739c8fd0"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f435ee0c860c8eef83b5f84de25a10508a2bfd149f7f0907c8ea727eeced19f3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bcc59f0790c19f97d6da0ace6cad3f0547eed398cf4ec2745bac0dd2ba54f19"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"68e57775026175db44a4a1f38b8396325f8015702eb9e7abd58317a391f28aef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"65a9bebcadd9e991c202cf0d7e8484b27470ce810636c0fd4201286f5a62637b"}]},{"symbol":"EWI","date":"2026-08-13","iv_pct":17.450976137690947,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":14.646654371080784,"put_iv_pct":14.039754744525549},{"expiry":"2026-09-18","call_iv_pct":15.2605222734255,"put_iv_pct":16.523217247097847},{"expiry":"2026-12-18","call_iv_pct":13.507874109263659,"put_iv_pct":25.80428571428571},{"expiry":"2027-03-19","call_iv_pct":14.986842105263158,"put_iv_pct":24.838658536585363}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"dd2a8bd97808cffa39319c57601515cdb6bb5f788aae4c0a856fd99b9be98d6f","captured_at":"2026-10-24T02:58:51.354476+00:00","observed_at":"2026-08-13T15:59:00-04:00","session_close_at":"2026-08-13T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-13","end_date":"2026-08-13","strike_range":20,"format":"json"},"source_hash":"8bdf317cde843c488386d8df3b94e747b01b45893fb4ce666a3cd8eec3338e3a"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f435ee0c860c8eef83b5f84de25a10508a2bfd149f7f0907c8ea727eeced19f3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bcc59f0790c19f97d6da0ace6cad3f0547eed398cf4ec2745bac0dd2ba54f19"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"68e57775026175db44a4a1f38b8396325f8015702eb9e7abd58317a391f28aef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"65a9bebcadd9e991c202cf0d7e8484b27470ce810636c0fd4201286f5a62637b"}]},{"symbol":"EWI","date":"2026-08-14","iv_pct":18.01926034545872,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":14.493394594594594,"put_iv_pct":16.92391377145249},{"expiry":"2026-09-18","call_iv_pct":14.701737891737892,"put_iv_pct":19.717769784172663},{"expiry":"2026-12-18","call_iv_pct":12.727211201866975,"put_iv_pct":24.462237762237763},{"expiry":"2027-03-19","call_iv_pct":15.944760432766616,"put_iv_pct":25.183057324840767}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d88d5ae1baf5325cef3fb69d7c9c81bb787601d7abcb432cca7f6fc81cee5841","captured_at":"2026-10-24T02:58:49.314692+00:00","observed_at":"2026-08-14T15:59:00-04:00","session_close_at":"2026-08-14T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-14","end_date":"2026-08-14","strike_range":20,"format":"json"},"source_hash":"178e912452b1c67aa730db31fe2389064675f97f74ea230658aee3d6b7c54db5"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f435ee0c860c8eef83b5f84de25a10508a2bfd149f7f0907c8ea727eeced19f3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"7bcc59f0790c19f97d6da0ace6cad3f0547eed398cf4ec2745bac0dd2ba54f19"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"68e57775026175db44a4a1f38b8396325f8015702eb9e7abd58317a391f28aef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-08","end_date":"2026-08-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"65a9bebcadd9e991c202cf0d7e8484b27470ce810636c0fd4201286f5a62637b"}]},{"symbol":"EWI","date":"2026-08-17","iv_pct":18.880120056156777,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":20.73587443946188,"put_iv_pct":17.13266310160428},{"expiry":"2026-09-18","call_iv_pct":16.79335731414868,"put_iv_pct":16.195082872928175},{"expiry":"2026-12-18","call_iv_pct":15.823371266002844,"put_iv_pct":22.971322314049587},{"expiry":"2027-03-19","call_iv_pct":16.661177685950413,"put_iv_pct":24.72811145510836}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"6e690fa3c0da77d9f598dd1798f879fac40713c0f35c4f82dbd93b9f234f3d61","captured_at":"2026-10-24T02:58:42.401229+00:00","observed_at":"2026-08-17T15:59:00-04:00","session_close_at":"2026-08-17T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-17","end_date":"2026-08-17","strike_range":20,"format":"json"},"source_hash":"2f2b8416aff9f4caf06c18d605de1a04e9251fd878c62a6a2b0fbf1bfee15313"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-15","end_date":"2026-08-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0c7fc86b26371894108011a8c86d813f3a5cdc5533cdd678b9081c2b40d61574"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c3322067f34886626077bc99c88ad3bf78aa56fe5d9f225a26160fa855ea0b14"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fd0eb74f821c8311cf0308d54e4d20582e14641db0ad17952965906b7b31559e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8a7b5c47ee2fb982bbe67608bb1bcae5b7d8c020bf26cb5158aa1eb3a7b202f1"}]},{"symbol":"EWI","date":"2026-08-18","iv_pct":22.15461166379155,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":22.958604399567257,"put_iv_pct":23.806046332046332},{"expiry":"2026-09-18","call_iv_pct":24.281363636363633,"put_iv_pct":24.335775862068964},{"expiry":"2026-12-18","call_iv_pct":15.8971511627907,"put_iv_pct":26.463650442477878},{"expiry":"2027-03-19","call_iv_pct":15.149005524861877,"put_iv_pct":24.345295950155762}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b33336b16ea9445a521c13c764faab6ceab5f6329a8f74aeb72a791310964f7e","captured_at":"2026-10-24T02:58:40.716755+00:00","observed_at":"2026-08-18T15:59:00-04:00","session_close_at":"2026-08-18T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-18","end_date":"2026-08-18","strike_range":20,"format":"json"},"source_hash":"67edb8e191f38111018074b72b666867583ace45e6941ccd02039ea37def5beb"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-15","end_date":"2026-08-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0c7fc86b26371894108011a8c86d813f3a5cdc5533cdd678b9081c2b40d61574"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c3322067f34886626077bc99c88ad3bf78aa56fe5d9f225a26160fa855ea0b14"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fd0eb74f821c8311cf0308d54e4d20582e14641db0ad17952965906b7b31559e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8a7b5c47ee2fb982bbe67608bb1bcae5b7d8c020bf26cb5158aa1eb3a7b202f1"}]},{"symbol":"EWI","date":"2026-08-19","iv_pct":22.144504189872144,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":28.849868995633187,"put_iv_pct":23.51707406056184},{"expiry":"2026-09-18","call_iv_pct":17.52269925611052,"put_iv_pct":24.627282717282718},{"expiry":"2026-12-18","call_iv_pct":18.408200339558576,"put_iv_pct":24.50850267379679},{"expiry":"2027-03-19","call_iv_pct":15.550057915057913,"put_iv_pct":24.17234756097561}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a97e8cf4518ab4ce1d7857365d6259305dda22f8908c739a9746fa3b8855c3e8","captured_at":"2026-10-24T02:58:38.892848+00:00","observed_at":"2026-08-19T15:59:00-04:00","session_close_at":"2026-08-19T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-19","end_date":"2026-08-19","strike_range":20,"format":"json"},"source_hash":"b8b9084a33c923e0045505ccb389b7418f50541199d44d1d7a25a015e714cca0"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-15","end_date":"2026-08-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0c7fc86b26371894108011a8c86d813f3a5cdc5533cdd678b9081c2b40d61574"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c3322067f34886626077bc99c88ad3bf78aa56fe5d9f225a26160fa855ea0b14"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fd0eb74f821c8311cf0308d54e4d20582e14641db0ad17952965906b7b31559e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8a7b5c47ee2fb982bbe67608bb1bcae5b7d8c020bf26cb5158aa1eb3a7b202f1"}]},{"symbol":"EWI","date":"2026-08-20","iv_pct":21.24915586261677,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":33.85856556255133,"put_iv_pct":32.71841704191202},{"expiry":"2026-09-18","call_iv_pct":11.7935082674335,"put_iv_pct":11.50290292614956},{"expiry":"2026-10-16","call_iv_pct":19.978412698412697,"put_iv_pct":19.859493975903614},{"expiry":"2026-12-18","call_iv_pct":13.817946428571428,"put_iv_pct":26.464}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"c11bbee83c022cd1e0b4c9dc124f27c98d6a763d798d92cf7e204b205c83ca38","captured_at":"2026-10-24T02:58:37.050496+00:00","observed_at":"2026-08-20T15:59:00-04:00","session_close_at":"2026-08-20T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-20","end_date":"2026-08-20","strike_range":20,"format":"json"},"source_hash":"2ae71fc1cd8436e29decd86d1fe3bbc2f6f9afee6b0d34a93c375bd11f9ed8b5"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-08-21","start_date":"2026-08-15","end_date":"2026-08-20","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0c7fc86b26371894108011a8c86d813f3a5cdc5533cdd678b9081c2b40d61574"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c3322067f34886626077bc99c88ad3bf78aa56fe5d9f225a26160fa855ea0b14"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bc85d0ca6ddbdd3f69dd2686299032d51697160c5a170a71de1c6c01b25176d2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fd0eb74f821c8311cf0308d54e4d20582e14641db0ad17952965906b7b31559e"}]},{"symbol":"EWI","date":"2026-08-21","iv_pct":22.638471782857124,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":21.93554545454545,"put_iv_pct":23.662608695652175},{"expiry":"2026-10-16","call_iv_pct":24.729688473520252,"put_iv_pct":24.107525000000003},{"expiry":"2026-12-18","call_iv_pct":18.093371900826448,"put_iv_pct":27.231222826086952},{"expiry":"2027-03-19","call_iv_pct":15.631363636363634,"put_iv_pct":25.71644827586207}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a2b8dd4116a05cfe616c210ab4ecdb9e41465f730e293e607a37c1d312856548","captured_at":"2026-10-24T02:58:34.070326+00:00","observed_at":"2026-08-21T15:59:00-04:00","session_close_at":"2026-08-21T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-21","end_date":"2026-08-21","strike_range":20,"format":"json"},"source_hash":"8ca15079ffadb12f223c19fccbbbc7d6fb5a5a20b6dbeae6807913e28b48afe4"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c3322067f34886626077bc99c88ad3bf78aa56fe5d9f225a26160fa855ea0b14"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bc85d0ca6ddbdd3f69dd2686299032d51697160c5a170a71de1c6c01b25176d2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fd0eb74f821c8311cf0308d54e4d20582e14641db0ad17952965906b7b31559e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-15","end_date":"2026-08-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8a7b5c47ee2fb982bbe67608bb1bcae5b7d8c020bf26cb5158aa1eb3a7b202f1"}]},{"symbol":"EWI","date":"2026-08-24","iv_pct":20.14798762190226,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":19.052385135135133,"put_iv_pct":17.881463414634148},{"expiry":"2026-10-16","call_iv_pct":16.776560319042872,"put_iv_pct":19.687719087635056},{"expiry":"2026-12-18","call_iv_pct":18.706100840336134,"put_iv_pct":27.136521739130437},{"expiry":"2027-03-19","call_iv_pct":16.411262327416175,"put_iv_pct":25.53188811188811}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"da55a81224959b412b17a59d23c6bc304c882517a2367414c799d0103ebd751a","captured_at":"2026-10-24T02:58:26.813523+00:00","observed_at":"2026-08-24T15:59:00-04:00","session_close_at":"2026-08-24T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-24","end_date":"2026-08-24","strike_range":20,"format":"json"},"source_hash":"1504a6e65c104d5b9df0a82c7c2bb2145fcd82c2b3da57261c333baf5db798a5"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d17b1192ab4dc804bc0d346d333376029578525f36e7da8fc4ebfbc0a948e3e9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e8d23c7ef95c2c1e58df1b56ceb8c7ab37aa6332e63df5ca0b7c9e494a69f29a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"71bffd783ca90006437846b42d3c39e5560a362796cefaa7fab5b150077f2bf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"edc7f596d3fc86e2f5b9e9a65c183515f04a4c1aa7eecc24892a881e76f117c0"}]},{"symbol":"EWI","date":"2026-08-25","iv_pct":18.875984755562307,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":15.739254467036352,"put_iv_pct":18.7},{"expiry":"2026-10-16","call_iv_pct":16.489198067632852,"put_iv_pct":20.62779301745636},{"expiry":"2026-12-18","call_iv_pct":12.964026602176542,"put_iv_pct":26.61305489260143},{"expiry":"2027-03-19","call_iv_pct":15.094739676840216,"put_iv_pct":24.779811320754717}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"523ab96f769f458f279b9e3295f3dcc124b509ee2f858655d18e1d5cc10a8b63","captured_at":"2026-10-24T02:58:25.378146+00:00","observed_at":"2026-08-25T15:59:00-04:00","session_close_at":"2026-08-25T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-25","end_date":"2026-08-25","strike_range":20,"format":"json"},"source_hash":"30291ee94a4876e88a2cf9d3d4ac8828a27068f5764d52cccf07bc40ce96c979"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d17b1192ab4dc804bc0d346d333376029578525f36e7da8fc4ebfbc0a948e3e9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e8d23c7ef95c2c1e58df1b56ceb8c7ab37aa6332e63df5ca0b7c9e494a69f29a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"71bffd783ca90006437846b42d3c39e5560a362796cefaa7fab5b150077f2bf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"edc7f596d3fc86e2f5b9e9a65c183515f04a4c1aa7eecc24892a881e76f117c0"}]},{"symbol":"EWI","date":"2026-08-26","iv_pct":18.611815076121793,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":16.62487854251012,"put_iv_pct":16.73548444444444},{"expiry":"2026-10-16","call_iv_pct":16.902023460410557,"put_iv_pct":19.060909090909092},{"expiry":"2026-12-18","call_iv_pct":13.725885997521683,"put_iv_pct":25.118229166666666},{"expiry":"2027-03-19","call_iv_pct":15.753055028462997,"put_iv_pct":24.97405487804878}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"bcab65a8d517ecdf3c8489c9bb57aad1400dede11857ed78e33167dcfb69baa9","captured_at":"2026-10-24T02:58:23.498401+00:00","observed_at":"2026-08-26T15:59:00-04:00","session_close_at":"2026-08-26T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-26","end_date":"2026-08-26","strike_range":20,"format":"json"},"source_hash":"2d33cf615a87ab1bf55e28b1b0388c7c503f6501954cf44e6e0e2bbbb57f1be8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d17b1192ab4dc804bc0d346d333376029578525f36e7da8fc4ebfbc0a948e3e9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e8d23c7ef95c2c1e58df1b56ceb8c7ab37aa6332e63df5ca0b7c9e494a69f29a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"71bffd783ca90006437846b42d3c39e5560a362796cefaa7fab5b150077f2bf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"edc7f596d3fc86e2f5b9e9a65c183515f04a4c1aa7eecc24892a881e76f117c0"}]},{"symbol":"EWI","date":"2026-08-27","iv_pct":18.59395835902454,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.073130929791272,"put_iv_pct":16.35831184775936},{"expiry":"2026-10-16","call_iv_pct":16.92779527559055,"put_iv_pct":18.249617834394904},{"expiry":"2026-12-18","call_iv_pct":11.47705284552846,"put_iv_pct":26.185107398568018},{"expiry":"2027-03-19","call_iv_pct":16.170153846153845,"put_iv_pct":26.310496894409933}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3128a1bce6ae3996f006855f17f9643267349c30ec8a983a41cf608db1c04081","captured_at":"2026-10-24T02:58:21.936393+00:00","observed_at":"2026-08-27T15:59:00-04:00","session_close_at":"2026-08-27T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-27","end_date":"2026-08-27","strike_range":20,"format":"json"},"source_hash":"994513bd6722fc21259731b7b307f4be38536f5bb8a56592ae241ab542e932d7"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d17b1192ab4dc804bc0d346d333376029578525f36e7da8fc4ebfbc0a948e3e9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e8d23c7ef95c2c1e58df1b56ceb8c7ab37aa6332e63df5ca0b7c9e494a69f29a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"71bffd783ca90006437846b42d3c39e5560a362796cefaa7fab5b150077f2bf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"edc7f596d3fc86e2f5b9e9a65c183515f04a4c1aa7eecc24892a881e76f117c0"}]},{"symbol":"EWI","date":"2026-08-28","iv_pct":19.12209417256725,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":16.453331314354937,"put_iv_pct":17.389007817197836},{"expiry":"2026-10-16","call_iv_pct":15.984423076923077,"put_iv_pct":21.354074074074074},{"expiry":"2026-12-18","call_iv_pct":13.105225885225884,"put_iv_pct":26.51456221198157},{"expiry":"2027-03-19","call_iv_pct":16.388688524590165,"put_iv_pct":25.787440476190476}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"4ed7503acc604362e33001aa33578c4dbd2629c1ad9a758507005764a901d17d","captured_at":"2026-10-24T02:58:20.403486+00:00","observed_at":"2026-08-28T15:59:00-04:00","session_close_at":"2026-08-28T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-28","end_date":"2026-08-28","strike_range":20,"format":"json"},"source_hash":"18c4433e7e13c62cee900f060d8e5da2eb0a4a8d139c7ed64a70de752a569b06"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d17b1192ab4dc804bc0d346d333376029578525f36e7da8fc4ebfbc0a948e3e9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e8d23c7ef95c2c1e58df1b56ceb8c7ab37aa6332e63df5ca0b7c9e494a69f29a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"71bffd783ca90006437846b42d3c39e5560a362796cefaa7fab5b150077f2bf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-22","end_date":"2026-08-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"edc7f596d3fc86e2f5b9e9a65c183515f04a4c1aa7eecc24892a881e76f117c0"}]},{"symbol":"EWI","date":"2026-08-31","iv_pct":19.601461229300277,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.53777709736681,"put_iv_pct":16.937303303303302},{"expiry":"2026-10-16","call_iv_pct":17.319180327868853,"put_iv_pct":19.434186046511627},{"expiry":"2026-12-18","call_iv_pct":17.297722132471726,"put_iv_pct":25.719817444219068},{"expiry":"2027-03-19","call_iv_pct":16.80957055214724,"put_iv_pct":25.75613293051359}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"7bdd1226df2119925bd7fe839848c522602f61dad8fbb7cdb99a9f1df1a3466e","captured_at":"2026-10-24T02:58:14.332353+00:00","observed_at":"2026-08-31T15:59:00-04:00","session_close_at":"2026-08-31T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-08-31","end_date":"2026-08-31","strike_range":20,"format":"json"},"source_hash":"6cd9e427329f8c3dab9b0e132c8ec5e3fc2837f25784eaa3def3c195465f2b42"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1603553a462f82fb18cb91ebb2ddf2afeea551a4c234ad027931b6db64c69009"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f09636ed344ac5d7d4d2cbc5e5601fbf7c7a39380c7bebf5fcc7facc3b08b2d0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f1a27cb7acf0c365b4cc9e397e073176ee07e2d8f464ecb060dcc6b8eacd3cbb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-08-29","end_date":"2026-08-31","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a9f922d9dcf16cd5458b77fc0a758b1ec1783efda9d7780d1ea6370c66502a9f"}]},{"symbol":"EWI","date":"2026-09-01","iv_pct":20.652050733403918,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":18.538401015228427,"put_iv_pct":18.28489014084507},{"expiry":"2026-10-16","call_iv_pct":21.453860465116282,"put_iv_pct":22.116043165467623},{"expiry":"2026-12-18","call_iv_pct":13.39519801980198,"put_iv_pct":27.68139380530974},{"expiry":"2027-03-19","call_iv_pct":17.18878486055777,"put_iv_pct":26.557834394904457}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"05831cb49476200eb1c76298406e1539280ababc535576f4acd4d3d9c7084159","captured_at":"2026-10-24T02:58:11.042273+00:00","observed_at":"2026-09-01T15:59:00-04:00","session_close_at":"2026-09-01T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-01","end_date":"2026-09-01","strike_range":20,"format":"json"},"source_hash":"87de82611ceafe51c5738fe6b6ee1007edb2920dfb26f961d78dfa73437ea99c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b9eec4101ea8ce1906b3ff6128f5cdf0ec03da68b0d7814461ff4a1b95e7abda"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2041b5b657ce03a14e8bb6953c36e274e0c4c1ed07b4ab4b4b42bb79aad9dc4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b71a0fa64560f0669accee319b4fed93e2518ecf2f39c558cf9b4db09a76905d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bf05c6bad16d96ddbde19b60b687353d55e248c751c077f786f3a8ee82a6a21f"}]},{"symbol":"EWI","date":"2026-09-02","iv_pct":20.160065767428996,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.3294406779661,"put_iv_pct":18.096289752650176},{"expiry":"2026-10-16","call_iv_pct":16.41412078152753,"put_iv_pct":20.94},{"expiry":"2026-12-18","call_iv_pct":17.127509881422924,"put_iv_pct":29.069999999999997},{"expiry":"2027-03-19","call_iv_pct":15.440819366852887,"put_iv_pct":26.862345679012346}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"10c9f484e2d44e2939cbba2661182b64fe26ac8e474eb4d99c526d3767c4424f","captured_at":"2026-10-24T02:58:08.812417+00:00","observed_at":"2026-09-02T15:59:00-04:00","session_close_at":"2026-09-02T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-02","end_date":"2026-09-02","strike_range":20,"format":"json"},"source_hash":"25489c9f602ece16f7cc15be19747b3f163bf1517b89da4fb81a4c750688739e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b9eec4101ea8ce1906b3ff6128f5cdf0ec03da68b0d7814461ff4a1b95e7abda"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2041b5b657ce03a14e8bb6953c36e274e0c4c1ed07b4ab4b4b42bb79aad9dc4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b71a0fa64560f0669accee319b4fed93e2518ecf2f39c558cf9b4db09a76905d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bf05c6bad16d96ddbde19b60b687353d55e248c751c077f786f3a8ee82a6a21f"}]},{"symbol":"EWI","date":"2026-09-03","iv_pct":19.31027639376316,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":12.799725355566455,"put_iv_pct":19.03618437900128},{"expiry":"2026-10-16","call_iv_pct":14.763050847457626,"put_iv_pct":22.9225},{"expiry":"2026-12-18","call_iv_pct":14.795205479452056,"put_iv_pct":28.60521739130435},{"expiry":"2027-03-19","call_iv_pct":15.6331376146789,"put_iv_pct":25.92719008264463}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e001fbfafc49d2cf55499a83b8bb58d52dcba21c7b66ff3051fa2fb7aecb045a","captured_at":"2026-10-24T02:58:07.269011+00:00","observed_at":"2026-09-03T15:59:00-04:00","session_close_at":"2026-09-03T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-03","end_date":"2026-09-03","strike_range":20,"format":"json"},"source_hash":"2a1a78c845704e95891c0c1d4f6387d27670ea8b966706b187a94aa28e90cc75"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b9eec4101ea8ce1906b3ff6128f5cdf0ec03da68b0d7814461ff4a1b95e7abda"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2041b5b657ce03a14e8bb6953c36e274e0c4c1ed07b4ab4b4b42bb79aad9dc4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b71a0fa64560f0669accee319b4fed93e2518ecf2f39c558cf9b4db09a76905d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bf05c6bad16d96ddbde19b60b687353d55e248c751c077f786f3a8ee82a6a21f"}]},{"symbol":"EWI","date":"2026-09-04","iv_pct":19.03985332582643,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":14.340293863439928,"put_iv_pct":18.03869205298013},{"expiry":"2026-10-16","call_iv_pct":15.233796962430054,"put_iv_pct":18.924819277108433},{"expiry":"2026-12-18","call_iv_pct":15.251373555840821,"put_iv_pct":28.64671794871795},{"expiry":"2027-03-19","call_iv_pct":15.751357798165138,"put_iv_pct":26.13177514792899}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"753f2691372bd5dd74e0ac5ea1d48876a32fdcf037d9e93dd5faa492f509a4d7","captured_at":"2026-10-24T02:58:05.414166+00:00","observed_at":"2026-09-04T15:59:00-04:00","session_close_at":"2026-09-04T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-04","end_date":"2026-09-04","strike_range":20,"format":"json"},"source_hash":"fb6f3463078cdf3dfb824faed1f37ab897f2173d00394134c7fbbbfbebb96333"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b9eec4101ea8ce1906b3ff6128f5cdf0ec03da68b0d7814461ff4a1b95e7abda"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2041b5b657ce03a14e8bb6953c36e274e0c4c1ed07b4ab4b4b42bb79aad9dc4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b71a0fa64560f0669accee319b4fed93e2518ecf2f39c558cf9b4db09a76905d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-01","end_date":"2026-09-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bf05c6bad16d96ddbde19b60b687353d55e248c751c077f786f3a8ee82a6a21f"}]},{"symbol":"EWI","date":"2026-09-08","iv_pct":20.103038241389214,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":20.360590386624867,"put_iv_pct":16.081531791907512},{"expiry":"2026-10-16","call_iv_pct":17.442308370044053,"put_iv_pct":19.215998098859316},{"expiry":"2026-12-18","call_iv_pct":17.021442463533226,"put_iv_pct":28.332870159453304},{"expiry":"2027-03-19","call_iv_pct":16.93181818181818,"put_iv_pct":25.43774647887324}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"06ea95bef63edd89f5b9374ed317bd41c953f6d8e820f2c4cc385a631afe5ae8","captured_at":"2026-10-24T02:58:00.354923+00:00","observed_at":"2026-09-08T15:59:00-04:00","session_close_at":"2026-09-08T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-08","end_date":"2026-09-08","strike_range":20,"format":"json"},"source_hash":"d14b446298b46d174867dcb01f15ff368cdab66bf07903acc8260a7265770881"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fea0d3b0c8803cfaa6644bd5466c240815d8f8d861ef1c5f58d9c3334e3b5c43"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ecfe7a1b347fa497171f6c6764eebcfc16feb150c700762e65643467c1dc60c8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0369c716234b5c15cf3d3db59ca09ff7f6db04e6241c91334a8f0969fbe1f16f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"625a3a78da3f5993572ece748139dce361be9cb9008d298bd56ed62df5574c46"}]},{"symbol":"EWI","date":"2026-09-09","iv_pct":20.197115868835777,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":17.81284546197874,"put_iv_pct":18.429221808014912},{"expiry":"2026-10-16","call_iv_pct":16.620334420880916,"put_iv_pct":18.710249077490776},{"expiry":"2026-12-18","call_iv_pct":18.784,"put_iv_pct":27.714659090909095},{"expiry":"2027-03-19","call_iv_pct":16.53511235955056,"put_iv_pct":26.9705047318612}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"c7e159ae36cad857ff0f48ef8587ade36f23eb8ce63850e7dd417ed6c9ab1642","captured_at":"2026-10-24T02:57:33.644320+00:00","observed_at":"2026-09-09T15:59:00-04:00","session_close_at":"2026-09-09T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-09","end_date":"2026-09-09","strike_range":20,"format":"json"},"source_hash":"cdbb9a21640c96436c090524f054b8bb65663003f477af08276af905386e3a98"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fea0d3b0c8803cfaa6644bd5466c240815d8f8d861ef1c5f58d9c3334e3b5c43"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ecfe7a1b347fa497171f6c6764eebcfc16feb150c700762e65643467c1dc60c8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0369c716234b5c15cf3d3db59ca09ff7f6db04e6241c91334a8f0969fbe1f16f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"625a3a78da3f5993572ece748139dce361be9cb9008d298bd56ed62df5574c46"}]},{"symbol":"EWI","date":"2026-09-10","iv_pct":20.398567050259373,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":20.705725429017157,"put_iv_pct":16.956945765937203},{"expiry":"2026-10-16","call_iv_pct":17.766135181975738,"put_iv_pct":20.351640798226164},{"expiry":"2026-12-18","call_iv_pct":18.923841726618708,"put_iv_pct":26.165759637188206},{"expiry":"2027-03-19","call_iv_pct":17.01857142857143,"put_iv_pct":25.299916434540393}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"ec0b4c764b4cfe3de21bb3105449123747bec2b2655e94fe94a0573737bf7237","captured_at":"2026-10-24T02:57:31.162470+00:00","observed_at":"2026-09-10T15:59:00-04:00","session_close_at":"2026-09-10T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-10","end_date":"2026-09-10","strike_range":20,"format":"json"},"source_hash":"a36f10efca524855f6ebbd16c58edbc4138fb59d3de86e977141f4bcecad6899"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fea0d3b0c8803cfaa6644bd5466c240815d8f8d861ef1c5f58d9c3334e3b5c43"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ecfe7a1b347fa497171f6c6764eebcfc16feb150c700762e65643467c1dc60c8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0369c716234b5c15cf3d3db59ca09ff7f6db04e6241c91334a8f0969fbe1f16f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"625a3a78da3f5993572ece748139dce361be9cb9008d298bd56ed62df5574c46"}]},{"symbol":"EWI","date":"2026-09-11","iv_pct":19.007036817307547,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":16.814627170582227,"put_iv_pct":19.497216254086876},{"expiry":"2026-10-16","call_iv_pct":14.507346326836581,"put_iv_pct":19.003834726090997},{"expiry":"2026-12-18","call_iv_pct":14.844757281553397,"put_iv_pct":27.18454117647059},{"expiry":"2027-03-19","call_iv_pct":15.62109489051095,"put_iv_pct":24.582876712328765}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3c0df9f6f33cc0132c90803a2b126d4198dea57aa8ee0efe02ec3afedda44ee3","captured_at":"2026-10-24T02:57:29.644823+00:00","observed_at":"2026-09-11T15:59:00-04:00","session_close_at":"2026-09-11T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-11","end_date":"2026-09-11","strike_range":20,"format":"json"},"source_hash":"e2b6a837abf96f15fe93f46256e051375f015cc59d5b08a01f6dfcf0534c3ecb"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fea0d3b0c8803cfaa6644bd5466c240815d8f8d861ef1c5f58d9c3334e3b5c43"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ecfe7a1b347fa497171f6c6764eebcfc16feb150c700762e65643467c1dc60c8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0369c716234b5c15cf3d3db59ca09ff7f6db04e6241c91334a8f0969fbe1f16f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"625a3a78da3f5993572ece748139dce361be9cb9008d298bd56ed62df5574c46"}]},{"symbol":"EWI","date":"2026-09-14","iv_pct":20.39385764394587,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":21.506969334926325,"put_iv_pct":20.21431924882629},{"expiry":"2026-10-16","call_iv_pct":17.516869424168693,"put_iv_pct":20.95551330798479},{"expiry":"2026-12-18","call_iv_pct":11.640054844606947,"put_iv_pct":29.9975051975052},{"expiry":"2027-03-19","call_iv_pct":16.095545286506468,"put_iv_pct":25.224084507042257}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"25ca4597a88664f37fda3afa8670d3b0965a9d22d63699612189f5f414f2abcb","captured_at":"2026-10-24T02:57:28.220402+00:00","observed_at":"2026-09-14T15:59:00-04:00","session_close_at":"2026-09-14T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-14","end_date":"2026-09-14","strike_range":20,"format":"json"},"source_hash":"cb4367d7fb1d1ce32eba401279b1b553b083cf11a7566f1bec7b324d522840be"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"fea0d3b0c8803cfaa6644bd5466c240815d8f8d861ef1c5f58d9c3334e3b5c43"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ecfe7a1b347fa497171f6c6764eebcfc16feb150c700762e65643467c1dc60c8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0369c716234b5c15cf3d3db59ca09ff7f6db04e6241c91334a8f0969fbe1f16f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-08","end_date":"2026-09-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"625a3a78da3f5993572ece748139dce361be9cb9008d298bd56ed62df5574c46"}]},{"symbol":"EWI","date":"2026-09-15","iv_pct":20.108245220917613,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":23.173235294117646,"put_iv_pct":22.03377473911479},{"expiry":"2026-10-16","call_iv_pct":12.33232404692082,"put_iv_pct":20.936312997347482},{"expiry":"2026-12-18","call_iv_pct":18.24956772334294,"put_iv_pct":23.658220640569397},{"expiry":"2027-03-19","call_iv_pct":15.914257095158598,"put_iv_pct":24.568269230769232}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b293cc12dbb47a4f45bbfb8f7bc061946e6428f172b5c41cea30659e6df0aa53","captured_at":"2026-10-24T02:57:22.585213+00:00","observed_at":"2026-09-15T15:59:00-04:00","session_close_at":"2026-09-15T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-15","end_date":"2026-09-15","strike_range":20,"format":"json"},"source_hash":"734b2079a20899ebbf0f900a741a075885fcd5a3d45f8da66948cf6c548bf7be"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-15","end_date":"2026-09-17","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"64b07fee5531a4278f6f70835d181bd42ddf84e18ec128b7fee793eeadf02bc4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"881c3717b35ccea54864b2877901d6ea80d709a5dd81b964b46ab4874e0aeb81"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"01178922a3f6692dd76d74a9660dfa764d12da46eb56b0ede42edf35f8dbb5ae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9e1affdd3e0466d32b38340627e4d64ea5d78febf8ca4ca3a52d459a81d3d9a9"}]},{"symbol":"EWI","date":"2026-09-16","iv_pct":23.08095692293598,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":27.088818434890193,"put_iv_pct":31.374303664921467},{"expiry":"2026-10-16","call_iv_pct":18.640641860465117,"put_iv_pct":18.839221411192213},{"expiry":"2026-12-18","call_iv_pct":19.450745156482864,"put_iv_pct":27.197227722772276},{"expiry":"2027-03-19","call_iv_pct":16.441948529411764,"put_iv_pct":25.614748603351956}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"5a93ddf5f0ece0a30bb398186af5268d098f2715889f071589767b7d06396b12","captured_at":"2026-10-24T02:57:20.175063+00:00","observed_at":"2026-09-16T15:59:00-04:00","session_close_at":"2026-09-16T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-16","end_date":"2026-09-16","strike_range":20,"format":"json"},"source_hash":"8c5c8cef8e69476a0ff8b3f805569a5bb11d1575d19de0e04d36e7a5303fb9f7"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-15","end_date":"2026-09-17","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"64b07fee5531a4278f6f70835d181bd42ddf84e18ec128b7fee793eeadf02bc4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"881c3717b35ccea54864b2877901d6ea80d709a5dd81b964b46ab4874e0aeb81"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"01178922a3f6692dd76d74a9660dfa764d12da46eb56b0ede42edf35f8dbb5ae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9e1affdd3e0466d32b38340627e4d64ea5d78febf8ca4ca3a52d459a81d3d9a9"}]},{"symbol":"EWI","date":"2026-09-17","iv_pct":26.17622568341435,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":37.28606317411402,"put_iv_pct":47.60937444933921},{"expiry":"2026-10-16","call_iv_pct":16.84722580645161,"put_iv_pct":23.700391534391535},{"expiry":"2026-11-20","call_iv_pct":21.410668523676883,"put_iv_pct":22.6459499263623},{"expiry":"2026-12-18","call_iv_pct":12.423239875389408,"put_iv_pct":27.486892177589855}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"7474b01baf850eb2fec6da2e2db3a844a65c5e1485d470cebe660e7ca80ecf23","captured_at":"2026-10-24T02:57:18.497575+00:00","observed_at":"2026-09-17T15:59:00-04:00","session_close_at":"2026-09-17T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-17","end_date":"2026-09-17","strike_range":20,"format":"json"},"source_hash":"5a3497668dfb80356c02bb18ae17709058d1c5eed55faff2e34c1afa618e845d"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-09-18","start_date":"2026-09-15","end_date":"2026-09-17","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"64b07fee5531a4278f6f70835d181bd42ddf84e18ec128b7fee793eeadf02bc4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"881c3717b35ccea54864b2877901d6ea80d709a5dd81b964b46ab4874e0aeb81"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"3761cedc2018aa66fb9afae94ce7dd7e22154770c699c9729c8dd203bd2726f6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"01178922a3f6692dd76d74a9660dfa764d12da46eb56b0ede42edf35f8dbb5ae"}]},{"symbol":"EWI","date":"2026-09-18","iv_pct":20.633283922165568,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":14.329358059914407,"put_iv_pct":19.388355011476662},{"expiry":"2026-11-20","call_iv_pct":17.794395604395604,"put_iv_pct":23.02344428364689},{"expiry":"2026-12-18","call_iv_pct":20.233463203463202,"put_iv_pct":28.40417391304348},{"expiry":"2027-03-19","call_iv_pct":16.78691588785047,"put_iv_pct":25.106165413533837}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"44bea26b16c1f213108da27ca48700a05e9cde19a2adf2e2857d78815cd02466","captured_at":"2026-10-24T02:57:15.613898+00:00","observed_at":"2026-09-18T15:59:00-04:00","session_close_at":"2026-09-18T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-18","end_date":"2026-09-18","strike_range":20,"format":"json"},"source_hash":"9041dfe3cd36bf2347dc269847f94911d8c6bc17c0966b3c9b53727fc2dedef9"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"881c3717b35ccea54864b2877901d6ea80d709a5dd81b964b46ab4874e0aeb81"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"3761cedc2018aa66fb9afae94ce7dd7e22154770c699c9729c8dd203bd2726f6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"01178922a3f6692dd76d74a9660dfa764d12da46eb56b0ede42edf35f8dbb5ae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9e1affdd3e0466d32b38340627e4d64ea5d78febf8ca4ca3a52d459a81d3d9a9"}]},{"symbol":"EWI","date":"2026-09-21","iv_pct":20.226120986994303,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":15.70604057591623,"put_iv_pct":21.019147286821706},{"expiry":"2026-11-20","call_iv_pct":15.769771144278607,"put_iv_pct":23.016923076923078},{"expiry":"2026-12-18","call_iv_pct":18.350421455938697,"put_iv_pct":25.887560975609752},{"expiry":"2027-03-19","call_iv_pct":17.080677966101696,"put_iv_pct":24.97842541436464}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d14fcfc97c54cacac8248d95aee8a7828d77960537e85885616377cfc9c12316","captured_at":"2026-10-24T02:57:13.981490+00:00","observed_at":"2026-09-21T15:59:00-04:00","session_close_at":"2026-09-21T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-21","end_date":"2026-09-21","strike_range":20,"format":"json"},"source_hash":"9046ba70030e17df54af024d835b1ac17507e638ed3f5a4e8e2ced5c3db43f18"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"881c3717b35ccea54864b2877901d6ea80d709a5dd81b964b46ab4874e0aeb81"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"3761cedc2018aa66fb9afae94ce7dd7e22154770c699c9729c8dd203bd2726f6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"01178922a3f6692dd76d74a9660dfa764d12da46eb56b0ede42edf35f8dbb5ae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-15","end_date":"2026-09-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9e1affdd3e0466d32b38340627e4d64ea5d78febf8ca4ca3a52d459a81d3d9a9"}]},{"symbol":"EWI","date":"2026-09-22","iv_pct":19.234923400151768,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.004606741573035,"put_iv_pct":18.9893531598513},{"expiry":"2026-11-20","call_iv_pct":13.453390383048083,"put_iv_pct":25.83068071312804},{"expiry":"2026-12-18","call_iv_pct":12.71142857142857,"put_iv_pct":28.35970588235294},{"expiry":"2027-03-19","call_iv_pct":14.715733944954124,"put_iv_pct":22.81448780487805}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"154c7a2ccb6e02512571209dafe59b00a62182ce41c41485bde3975bbb7d17c2","captured_at":"2026-10-24T02:57:07.527045+00:00","observed_at":"2026-09-22T15:59:00-04:00","session_close_at":"2026-09-22T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-22","end_date":"2026-09-22","strike_range":20,"format":"json"},"source_hash":"d1117fe9b53246acd7065ffac1c703bf5aeeda1c6631682a3f0764d18748b303"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a8972da51fbc651477b8ef76ec32ce5909389ca5863aefed3bf71180b333f0d4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e32314d048a0070fe98238cd3bd897a1914ad255dc960f9187ab510bd3b52fd6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b60747c5e92ee7dd9109041461498e245dc031b4a3b2f8c1993b2126cde72cf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"63705b893c3057cd1bef494a9755a1d33c88ba334ee0662d6b95790a43befced"}]},{"symbol":"EWI","date":"2026-09-23","iv_pct":16.7689302542972,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":18.272111581920907,"put_iv_pct":16.78588430851064},{"expiry":"2026-11-20","call_iv_pct":14.904129692832765,"put_iv_pct":13.935384615384617},{"expiry":"2026-12-18","call_iv_pct":12.350375000000001,"put_iv_pct":23.893597883597884},{"expiry":"2027-03-19","call_iv_pct":13.443856502242152,"put_iv_pct":20.56610244988864}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d1c337fe8356f02bda6c1daaf7a3513d72c13a59d2f3a1b5606d6b618abc17fe","captured_at":"2026-10-24T02:57:05.944659+00:00","observed_at":"2026-09-23T15:59:00-04:00","session_close_at":"2026-09-23T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-23","end_date":"2026-09-23","strike_range":20,"format":"json"},"source_hash":"8353d3649a7eb97d3d650c94a9388122650fd8adc07386aa560af9e446836b60"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a8972da51fbc651477b8ef76ec32ce5909389ca5863aefed3bf71180b333f0d4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e32314d048a0070fe98238cd3bd897a1914ad255dc960f9187ab510bd3b52fd6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b60747c5e92ee7dd9109041461498e245dc031b4a3b2f8c1993b2126cde72cf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"63705b893c3057cd1bef494a9755a1d33c88ba334ee0662d6b95790a43befced"}]},{"symbol":"EWI","date":"2026-09-24","iv_pct":20.11114377194023,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.62529487179487,"put_iv_pct":19.629596412556054},{"expiry":"2026-11-20","call_iv_pct":17.60361635220126,"put_iv_pct":21.999442896935932},{"expiry":"2026-12-18","call_iv_pct":16.418208955223882,"put_iv_pct":28.70125},{"expiry":"2027-03-19","call_iv_pct":15.448780487804875,"put_iv_pct":23.462960199004975}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"277e1a8d44dd253e9d58d1ac5545fbf5290480f9dc96bf211edae56194857648","captured_at":"2026-10-24T02:57:03.963954+00:00","observed_at":"2026-09-24T15:59:00-04:00","session_close_at":"2026-09-24T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-24","end_date":"2026-09-24","strike_range":20,"format":"json"},"source_hash":"992d21821301219a8b3d05371d137e2f7a8286228907dc3e25a5b3571a9d2626"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a8972da51fbc651477b8ef76ec32ce5909389ca5863aefed3bf71180b333f0d4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e32314d048a0070fe98238cd3bd897a1914ad255dc960f9187ab510bd3b52fd6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b60747c5e92ee7dd9109041461498e245dc031b4a3b2f8c1993b2126cde72cf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"63705b893c3057cd1bef494a9755a1d33c88ba334ee0662d6b95790a43befced"}]},{"symbol":"EWI","date":"2026-09-25","iv_pct":20.896271165631607,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":19.129350393700786,"put_iv_pct":21.656735340729},{"expiry":"2026-11-20","call_iv_pct":16.31968,"put_iv_pct":26.764143167028198},{"expiry":"2026-12-18","call_iv_pct":14.114710982658957,"put_iv_pct":29.95381395348837},{"expiry":"2027-03-19","call_iv_pct":15.278885245901638,"put_iv_pct":23.952850241545892}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e18f06f2c970275c03f1bac5498a41b38653a70abc415092b723cd4f2a2db2c1","captured_at":"2026-10-24T02:57:01.963409+00:00","observed_at":"2026-09-25T15:59:00-04:00","session_close_at":"2026-09-25T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-25","end_date":"2026-09-25","strike_range":20,"format":"json"},"source_hash":"7955db027e7bfc01e973c06cf648a861bd05b25001ffb87bf67eac4465de097b"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a8972da51fbc651477b8ef76ec32ce5909389ca5863aefed3bf71180b333f0d4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e32314d048a0070fe98238cd3bd897a1914ad255dc960f9187ab510bd3b52fd6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b60747c5e92ee7dd9109041461498e245dc031b4a3b2f8c1993b2126cde72cf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"63705b893c3057cd1bef494a9755a1d33c88ba334ee0662d6b95790a43befced"}]},{"symbol":"EWI","date":"2026-09-28","iv_pct":18.591890608850953,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":19.163458792991563,"put_iv_pct":20.097758505670445},{"expiry":"2026-11-20","call_iv_pct":13.158878718535469,"put_iv_pct":18.827428571428573},{"expiry":"2026-12-18","call_iv_pct":11.64152228763667,"put_iv_pct":27.77470588235294},{"expiry":"2027-03-19","call_iv_pct":15.128670033670035,"put_iv_pct":22.94270207852194}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"8a599850288f26bbebc4bb68bbb84e62c326e19db10d41178761c0ce7fd65068","captured_at":"2026-10-24T02:57:00.216320+00:00","observed_at":"2026-09-28T15:59:00-04:00","session_close_at":"2026-09-28T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-28","end_date":"2026-09-28","strike_range":20,"format":"json"},"source_hash":"d2f25b5d757eca7cf4b280df29504d267a72f3099b7c76aaf2592068f0031f46"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"a8972da51fbc651477b8ef76ec32ce5909389ca5863aefed3bf71180b333f0d4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e32314d048a0070fe98238cd3bd897a1914ad255dc960f9187ab510bd3b52fd6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b60747c5e92ee7dd9109041461498e245dc031b4a3b2f8c1993b2126cde72cf2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-22","end_date":"2026-09-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"63705b893c3057cd1bef494a9755a1d33c88ba334ee0662d6b95790a43befced"}]},{"symbol":"EWI","date":"2026-09-29","iv_pct":19.972705647261336,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":20.974381017881704,"put_iv_pct":19.63427209154482},{"expiry":"2026-11-20","call_iv_pct":17.648380765456327,"put_iv_pct":20.43118881118881},{"expiry":"2026-12-18","call_iv_pct":13.68677966101695,"put_iv_pct":29.05281115879828},{"expiry":"2027-03-19","call_iv_pct":15.194761904761906,"put_iv_pct":23.15906976744186}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d0d74b81e04cf4c7be27c39e11a4ac01da8f0a61205024bb2507b237fd034708","captured_at":"2026-10-24T02:56:54.203718+00:00","observed_at":"2026-09-29T15:59:00-04:00","session_close_at":"2026-09-29T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-29","end_date":"2026-09-29","strike_range":20,"format":"json"},"source_hash":"f0b95981634925a52d88925800e374441c23e7efa7c9b06e1b6af3947c8c19ec"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c66f59b55b910314ef308084ec3d5b5a3decd8445b283198fe7b2e4ecc58f8ce"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"5ebf4d1a5bbcb727dcc346077b552903437ec69be0c76eb234c46bd68f688a49"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6dd4ceee6aa40ced288265637610fa39bdcef6546d61e31a9f74a62950770075"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"92407ab267f5b99a4d2aaa167e6c612786002712d0e22c9ec4c54fd6f83846b4"}]},{"symbol":"EWI","date":"2026-09-30","iv_pct":21.19086829817652,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":24.00943760984183,"put_iv_pct":20.34668546365915},{"expiry":"2026-11-20","call_iv_pct":19.125509527754765,"put_iv_pct":19.38147389969294},{"expiry":"2026-12-18","call_iv_pct":16.802235023041476,"put_iv_pct":28.710575815738963},{"expiry":"2027-03-19","call_iv_pct":17.541936218678817,"put_iv_pct":23.609092827004222}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d7cd0473d35dc881ea0403fde6e9853575b1154e653859adf032265d4c163997","captured_at":"2026-10-24T02:56:52.609328+00:00","observed_at":"2026-09-30T15:59:00-04:00","session_close_at":"2026-09-30T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-09-30","end_date":"2026-09-30","strike_range":20,"format":"json"},"source_hash":"028b3e15bad537447289038dddd7ba46d23d48b455712f1b3964c07080b86804"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c66f59b55b910314ef308084ec3d5b5a3decd8445b283198fe7b2e4ecc58f8ce"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"5ebf4d1a5bbcb727dcc346077b552903437ec69be0c76eb234c46bd68f688a49"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"6dd4ceee6aa40ced288265637610fa39bdcef6546d61e31a9f74a62950770075"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-09-29","end_date":"2026-09-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"92407ab267f5b99a4d2aaa167e6c612786002712d0e22c9ec4c54fd6f83846b4"}]},{"symbol":"EWI","date":"2026-10-01","iv_pct":21.574246166876847,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":25.864442748091598,"put_iv_pct":21.225695187165776},{"expiry":"2026-11-20","call_iv_pct":19.094218590398366,"put_iv_pct":18.260409756097562},{"expiry":"2026-12-18","call_iv_pct":17.06156186612576,"put_iv_pct":30.423684210526314},{"expiry":"2027-03-19","call_iv_pct":16.82815745393635,"put_iv_pct":23.83579952267303}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"89c632bb22972cce57172652908be73e5bd06fa61dcd496a9c8a312af661b7cc","captured_at":"2026-10-24T02:56:46.858858+00:00","observed_at":"2026-10-01T15:59:00-04:00","session_close_at":"2026-10-01T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-01","end_date":"2026-10-01","strike_range":20,"format":"json"},"source_hash":"cc8c50f4386e9ddfd993dd2cb95e0933c8429d442b0d85dcc94fc3a38a48df17"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1ce93be2bf9f6a447102c0a8fa37c882cdd01bf955cf0df3d63c4af269d5c7fb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"095415bdf207ac402d95cb36de147290700761b24470e4fd9bcbf461fbda1bed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de05eebc12e41404acd7ea372220e7873394c565741e11f9e412288f18a22c27"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2851d2c2654f1f7dfc92b654b5a8f9f5596a8ad8f4088544e4871e1db626e963"}]},{"symbol":"EWI","date":"2026-10-02","iv_pct":23.506881010472632,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":17.335846534653466,"put_iv_pct":30.17886839899413},{"expiry":"2026-11-20","call_iv_pct":17.755200000000002,"put_iv_pct":26.674129554655874},{"expiry":"2026-12-18","call_iv_pct":16.451849775784755,"put_iv_pct":33.387688787185354},{"expiry":"2027-03-19","call_iv_pct":18.403726937269372,"put_iv_pct":27.867738095238092}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1ec8790b44eeaaac5432b20960d3402831f2efb9772a5d876c4ce2331d597847","captured_at":"2026-10-24T02:56:45.429096+00:00","observed_at":"2026-10-02T15:59:00-04:00","session_close_at":"2026-10-02T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-02","end_date":"2026-10-02","strike_range":20,"format":"json"},"source_hash":"eee91bda528875d8ea6b08878075a589e2b9abbfe90a89573095c708f41fcf56"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1ce93be2bf9f6a447102c0a8fa37c882cdd01bf955cf0df3d63c4af269d5c7fb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"095415bdf207ac402d95cb36de147290700761b24470e4fd9bcbf461fbda1bed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de05eebc12e41404acd7ea372220e7873394c565741e11f9e412288f18a22c27"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2851d2c2654f1f7dfc92b654b5a8f9f5596a8ad8f4088544e4871e1db626e963"}]},{"symbol":"EWI","date":"2026-10-05","iv_pct":21.1811023119271,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":18.932514285714287,"put_iv_pct":25.639715025906735},{"expiry":"2026-11-20","call_iv_pct":15.993913043478262,"put_iv_pct":19.91821462488129},{"expiry":"2026-12-18","call_iv_pct":14.115239294710328,"put_iv_pct":32.04929254302103},{"expiry":"2027-03-19","call_iv_pct":16.975687919463088,"put_iv_pct":25.824241758241754}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1a0a6abcc1dd1224044fcdebb8169ab63cfd6a210ff62c5dc1956eb7f1433642","captured_at":"2026-10-24T02:56:43.777569+00:00","observed_at":"2026-10-05T15:59:00-04:00","session_close_at":"2026-10-05T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-05","end_date":"2026-10-05","strike_range":20,"format":"json"},"source_hash":"77a9ccdf3e93e1e35644781dff81a1aa810957825ea92c368346d414b730f375"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1ce93be2bf9f6a447102c0a8fa37c882cdd01bf955cf0df3d63c4af269d5c7fb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"095415bdf207ac402d95cb36de147290700761b24470e4fd9bcbf461fbda1bed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de05eebc12e41404acd7ea372220e7873394c565741e11f9e412288f18a22c27"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2851d2c2654f1f7dfc92b654b5a8f9f5596a8ad8f4088544e4871e1db626e963"}]},{"symbol":"EWI","date":"2026-10-06","iv_pct":22.827384956664062,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":20.109840637450198,"put_iv_pct":24.321353965183754},{"expiry":"2026-11-20","call_iv_pct":18.20589552238806,"put_iv_pct":28.347833827893176},{"expiry":"2026-12-18","call_iv_pct":17.94581447963801,"put_iv_pct":33.644390243902436},{"expiry":"2027-03-19","call_iv_pct":14.568214936247722,"put_iv_pct":25.47573604060914}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"2cbd291af36fb045290d51502155d4298381b6f69b0e8b8b56c4612036cbdb9c","captured_at":"2026-10-24T02:56:41.998140+00:00","observed_at":"2026-10-06T15:59:00-04:00","session_close_at":"2026-10-06T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-06","end_date":"2026-10-06","strike_range":20,"format":"json"},"source_hash":"9b325b8cb35fcab4a69b865cf17b08f441472313f31cc1d68c6d00fdb76dd93c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1ce93be2bf9f6a447102c0a8fa37c882cdd01bf955cf0df3d63c4af269d5c7fb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"095415bdf207ac402d95cb36de147290700761b24470e4fd9bcbf461fbda1bed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de05eebc12e41404acd7ea372220e7873394c565741e11f9e412288f18a22c27"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2851d2c2654f1f7dfc92b654b5a8f9f5596a8ad8f4088544e4871e1db626e963"}]},{"symbol":"EWI","date":"2026-10-07","iv_pct":21.814329531582295,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":21.336969550507494,"put_iv_pct":25.86158508158508},{"expiry":"2026-11-20","call_iv_pct":14.921116941529236,"put_iv_pct":16.256917475728155},{"expiry":"2026-12-18","call_iv_pct":18.25423728813559,"put_iv_pct":33.52068493150685},{"expiry":"2027-03-19","call_iv_pct":18.12176372712146,"put_iv_pct":26.241361256544504}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a7c604c1bfccfffdc07a5ad673e8c5fb55e06e1ab2d819856812a1d28a7ce38e","captured_at":"2026-10-24T02:56:40.416691+00:00","observed_at":"2026-10-07T15:59:00-04:00","session_close_at":"2026-10-07T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-07","end_date":"2026-10-07","strike_range":20,"format":"json"},"source_hash":"fa05639fcd47a628eaca238a88587c0c23ab87132e0aaa5dbb3b54ece743fa29"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1ce93be2bf9f6a447102c0a8fa37c882cdd01bf955cf0df3d63c4af269d5c7fb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"095415bdf207ac402d95cb36de147290700761b24470e4fd9bcbf461fbda1bed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"de05eebc12e41404acd7ea372220e7873394c565741e11f9e412288f18a22c27"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-01","end_date":"2026-10-07","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2851d2c2654f1f7dfc92b654b5a8f9f5596a8ad8f4088544e4871e1db626e963"}]},{"symbol":"EWI","date":"2026-10-08","iv_pct":21.304224022688206,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":16.82517436380773,"put_iv_pct":25.85621521335807},{"expiry":"2026-11-20","call_iv_pct":15.523470627954083,"put_iv_pct":21.439999999999998},{"expiry":"2026-12-18","call_iv_pct":19.73182424916574,"put_iv_pct":33.647176470588235},{"expiry":"2027-03-19","call_iv_pct":14.117653478854026,"put_iv_pct":23.292277777777777}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"2a22ea6bd82d9a29685fadc853a7e8c55bc276b8ba2b82d0536a1e0269a4954d","captured_at":"2026-10-24T02:56:34.400728+00:00","observed_at":"2026-10-08T15:59:00-04:00","session_close_at":"2026-10-08T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-08","end_date":"2026-10-08","strike_range":20,"format":"json"},"source_hash":"4c786379089fb0d6dd3849b27e0d064220086a37bb669e39504943515ea0e4ec"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"aad9fbb8944ee1c070a13f336304c708dab8d772c83121a0bf81ff9ee49b6ff5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0454946a26a37f3278745fe0590e94172b3a1a9653a8d1eabb59dc5c298effc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e9b1660331a46ffb380515d81e7db3416280d1e41fdafc7675755f0323365d90"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f95b3c78ca29785304b7468d9f1ee0ee68af3560a64c70445d53ab90e86f57cc"}]},{"symbol":"EWI","date":"2026-10-09","iv_pct":21.072831162717375,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":19.94722772277228,"put_iv_pct":23.32871572871573},{"expiry":"2026-11-20","call_iv_pct":13.465114453891433,"put_iv_pct":16.628366854384556},{"expiry":"2026-12-18","call_iv_pct":17.297645788336933,"put_iv_pct":30.438383838383842},{"expiry":"2027-03-19","call_iv_pct":19.88675,"put_iv_pct":27.590444915254235}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"fb6af7361881d6f9982db2595c2a0b313bc7a69eca5c29b458fa1f60f4bc0c5d","captured_at":"2026-10-24T02:56:32.488509+00:00","observed_at":"2026-10-09T15:59:00-04:00","session_close_at":"2026-10-09T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-09","end_date":"2026-10-09","strike_range":20,"format":"json"},"source_hash":"51ce22e690e9c906880b6a6b80e795ab4042d8c887e542fead8324126802eff8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"aad9fbb8944ee1c070a13f336304c708dab8d772c83121a0bf81ff9ee49b6ff5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0454946a26a37f3278745fe0590e94172b3a1a9653a8d1eabb59dc5c298effc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e9b1660331a46ffb380515d81e7db3416280d1e41fdafc7675755f0323365d90"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f95b3c78ca29785304b7468d9f1ee0ee68af3560a64c70445d53ab90e86f57cc"}]},{"symbol":"EWI","date":"2026-10-12","iv_pct":24.73285676479422,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":38.72539956803456,"put_iv_pct":24.09144415193682},{"expiry":"2026-11-20","call_iv_pct":21.309989949748743,"put_iv_pct":20.461719745222933},{"expiry":"2026-12-18","call_iv_pct":19.445693779904303,"put_iv_pct":30.70444444444444},{"expiry":"2027-03-19","call_iv_pct":17.82249581239531,"put_iv_pct":25.301666666666666}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"c43d3d8ffb232c353943ce902731650b044f358891217bf184c68348421beab2","captured_at":"2026-10-24T02:56:30.886892+00:00","observed_at":"2026-10-12T15:59:00-04:00","session_close_at":"2026-10-12T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-12","end_date":"2026-10-12","strike_range":20,"format":"json"},"source_hash":"e3069674c9f6799266696926ca0ba0ef9e8cdf1ef9365cddb35d01b1e75bdf84"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"aad9fbb8944ee1c070a13f336304c708dab8d772c83121a0bf81ff9ee49b6ff5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0454946a26a37f3278745fe0590e94172b3a1a9653a8d1eabb59dc5c298effc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e9b1660331a46ffb380515d81e7db3416280d1e41fdafc7675755f0323365d90"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f95b3c78ca29785304b7468d9f1ee0ee68af3560a64c70445d53ab90e86f57cc"}]},{"symbol":"EWI","date":"2026-10-13","iv_pct":22.07336992272154,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":30.49650436953808,"put_iv_pct":25.740622737146996},{"expiry":"2026-11-20","call_iv_pct":13.81445552784705,"put_iv_pct":14.64373811265545},{"expiry":"2026-12-18","call_iv_pct":17.40637931034483,"put_iv_pct":31.960260869565214},{"expiry":"2027-03-19","call_iv_pct":15.092659123055164,"put_iv_pct":27.432339331619538}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"da842f2ae8e44fc47f5625478b8ab121a3d21515217af14e05c6d612ac193a4b","captured_at":"2026-10-24T02:56:28.920509+00:00","observed_at":"2026-10-13T15:59:00-04:00","session_close_at":"2026-10-13T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-13","end_date":"2026-10-13","strike_range":20,"format":"json"},"source_hash":"fbe4c49f4852ef02bc87818c058999bf9a541ba3d86558318ee4c44d234fe6ed"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"aad9fbb8944ee1c070a13f336304c708dab8d772c83121a0bf81ff9ee49b6ff5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0454946a26a37f3278745fe0590e94172b3a1a9653a8d1eabb59dc5c298effc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e9b1660331a46ffb380515d81e7db3416280d1e41fdafc7675755f0323365d90"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f95b3c78ca29785304b7468d9f1ee0ee68af3560a64c70445d53ab90e86f57cc"}]},{"symbol":"EWI","date":"2026-10-14","iv_pct":21.970585814476493,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":30.297241379310346,"put_iv_pct":26.547723804679553},{"expiry":"2026-11-20","call_iv_pct":17.538483105679365,"put_iv_pct":14.59733167082294},{"expiry":"2026-12-18","call_iv_pct":18.28229934924078,"put_iv_pct":24.576881405563693},{"expiry":"2027-03-19","call_iv_pct":18.898502024291496,"put_iv_pct":25.026223776223777}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"ca07cb65e0a94d00b091d461df1d65c4d3e07d6e2f2fb57ac28cc682196320de","captured_at":"2026-10-24T02:56:27.302280+00:00","observed_at":"2026-10-14T15:59:00-04:00","session_close_at":"2026-10-14T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-14","end_date":"2026-10-14","strike_range":20,"format":"json"},"source_hash":"05f5227aff1f92aba99a68971fba53e2d0bdc457ee308a32685b5a04fc2e4b6c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"aad9fbb8944ee1c070a13f336304c708dab8d772c83121a0bf81ff9ee49b6ff5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0454946a26a37f3278745fe0590e94172b3a1a9653a8d1eabb59dc5c298effc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e9b1660331a46ffb380515d81e7db3416280d1e41fdafc7675755f0323365d90"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-08","end_date":"2026-10-14","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f95b3c78ca29785304b7468d9f1ee0ee68af3560a64c70445d53ab90e86f57cc"}]},{"symbol":"EWI","date":"2026-10-15","iv_pct":27.069316447025887,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":41.465903119868635,"put_iv_pct":47.233385602280826},{"expiry":"2026-11-20","call_iv_pct":15.629283154121865,"put_iv_pct":21.682610402355248},{"expiry":"2026-12-18","call_iv_pct":20.737047781569967,"put_iv_pct":28.524389438943892},{"expiry":"2027-03-19","call_iv_pct":15.11632152588556,"put_iv_pct":26.165590551181104}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"c6a28e92cc8aec97277146386ac44147ccfa6a3ddf889a1310e5931304b829ae","captured_at":"2026-10-24T02:56:19.929156+00:00","observed_at":"2026-10-15T15:59:00-04:00","session_close_at":"2026-10-15T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-15","end_date":"2026-10-15","strike_range":20,"format":"json"},"source_hash":"0373b8129337c044513734fe6964e606c603fb31c316544a3dfcc8d9c066cb5b"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-10-16","start_date":"2026-10-15","end_date":"2026-10-15","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"548e079f2fc41aeb7955f24115b707fa155b80f1b1a65a1d57073751928bc7af"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"75db81cb0382100a014860124519bd758307cc748955f5cfd97c37c4911c0431"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"3fd54566e0529b48a30679a6aae2d96200ccedee01c80d77c5f2d8a488a40ef8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0fcdaf10b3f2eb9de658be389eab8653da95a0f3b34a8ce1da29b8a0f9e8c76f"}]},{"symbol":"EWI","date":"2026-10-16","iv_pct":23.709878439964662,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":27.573294979079506,"put_iv_pct":22.510842872008325},{"expiry":"2026-12-18","call_iv_pct":20.858697068403906,"put_iv_pct":31.342428376534787},{"expiry":"2027-03-19","call_iv_pct":18.954948453608246,"put_iv_pct":26.063808353808355},{"expiry":"2027-06-17","call_iv_pct":18.07524838012959,"put_iv_pct":24.29975903614458}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"bd6d2e7dca3a544a76117f000257419fd04b34adf3993daf44e9cc3ad902865a","captured_at":"2026-10-24T02:56:16.813989+00:00","observed_at":"2026-10-16T15:59:00-04:00","session_close_at":"2026-10-16T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-16","end_date":"2026-10-16","strike_range":20,"format":"json"},"source_hash":"cacec09e7992280823a0367958788671483523e643dedc51e8a2d5289c42842c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"75db81cb0382100a014860124519bd758307cc748955f5cfd97c37c4911c0431"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"3fd54566e0529b48a30679a6aae2d96200ccedee01c80d77c5f2d8a488a40ef8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0fcdaf10b3f2eb9de658be389eab8653da95a0f3b34a8ce1da29b8a0f9e8c76f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1cb557b10eb648a076a4d94c1b32cc99d7d9e64cf36933399f81f77d262d9701"}]},{"symbol":"EWI","date":"2026-10-19","iv_pct":22.49383229852012,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":19.463629222309507,"put_iv_pct":19.58775229357798},{"expiry":"2026-12-18","call_iv_pct":19.949793689320387,"put_iv_pct":29.822411994784876},{"expiry":"2027-03-19","call_iv_pct":20.52442273534636,"put_iv_pct":25.359760000000005},{"expiry":"2027-06-17","call_iv_pct":19.06244541484716,"put_iv_pct":26.180443037974683}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"899886d01d7351e5074768a0a9c4d55161b902ddde49f72a6df238eaa96e5315","captured_at":"2026-10-24T02:56:14.628951+00:00","observed_at":"2026-10-19T15:59:00-04:00","session_close_at":"2026-10-19T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-19","end_date":"2026-10-19","strike_range":20,"format":"json"},"source_hash":"527272b81930801aded6f08f796c5715bffd240a145ee92b3313cc6b44dd6c6e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"75db81cb0382100a014860124519bd758307cc748955f5cfd97c37c4911c0431"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"3fd54566e0529b48a30679a6aae2d96200ccedee01c80d77c5f2d8a488a40ef8"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0fcdaf10b3f2eb9de658be389eab8653da95a0f3b34a8ce1da29b8a0f9e8c76f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-15","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1cb557b10eb648a076a4d94c1b32cc99d7d9e64cf36933399f81f77d262d9701"}]},{"symbol":"EWI","date":"2026-10-20","iv_pct":23.137566278189553,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":16.983595505617977,"put_iv_pct":26.359557522123893},{"expiry":"2026-12-18","call_iv_pct":16.877088846880905,"put_iv_pct":30.67464220183486},{"expiry":"2027-03-19","call_iv_pct":18.29968565815324,"put_iv_pct":30.640588235294118},{"expiry":"2027-06-17","call_iv_pct":17.274193548387096,"put_iv_pct":27.991178707224336}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"551ad68fb8d89e76f49fa5a4e38d95b0a538f39016a06e0eb4af02bd913a09b0","captured_at":"2026-10-22T13:21:22.157790+00:00","observed_at":"2026-10-20T15:59:00-04:00","session_close_at":"2026-10-20T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-20","end_date":"2026-10-20","strike_range":20,"format":"json"},"source_hash":"260d487f2a4a70c845560676d58ecf9541c18b40787d57a724a10d35c7f44feb"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"78d9981b5676d7ef40be82707f41eb5f1bbf0377dde6de69b6b0e72d0149fda0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"94e4c1b313081dbb9be1bd7b98ff515c645ebdf74401d2d4dd0954cc9ef348fe"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e7c5813547ef0544c3a2c4cf18d7f0186a2040ef76047be376fcbbb3e23adecf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0437fa570dbb53411ec25d859ce623022b6e248d08eb9177df04082fa958a316"}]},{"symbol":"EWI","date":"2026-10-21","iv_pct":22.287814728990654,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":17.54229281767956,"put_iv_pct":21.804539823008852},{"expiry":"2026-12-18","call_iv_pct":21.998335373317012,"put_iv_pct":26.089167904903416},{"expiry":"2027-03-19","call_iv_pct":18.269060606060606,"put_iv_pct":26.97904884318766},{"expiry":"2027-06-17","call_iv_pct":18.338333333333335,"put_iv_pct":27.281739130434783}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1dbfa671933768d7f8181fbe963b8ecc00d25cec0dc3532e91710d8ab3b3ffcf","captured_at":"2026-10-22T13:21:20.772920+00:00","observed_at":"2026-10-21T15:59:00-04:00","session_close_at":"2026-10-21T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-21","end_date":"2026-10-21","strike_range":20,"format":"json"},"source_hash":"b0c5546ce00dd90789160685a560750e9db394798e14b2c7bdb2a7efeb1fc0bd"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"78d9981b5676d7ef40be82707f41eb5f1bbf0377dde6de69b6b0e72d0149fda0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"94e4c1b313081dbb9be1bd7b98ff515c645ebdf74401d2d4dd0954cc9ef348fe"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e7c5813547ef0544c3a2c4cf18d7f0186a2040ef76047be376fcbbb3e23adecf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-20","end_date":"2026-10-21","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0437fa570dbb53411ec25d859ce623022b6e248d08eb9177df04082fa958a316"}]},{"symbol":"EWI","date":"2026-10-22","iv_pct":22.748280127188337,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":23.421581160639192,"put_iv_pct":22.891645569620252},{"expiry":"2026-12-18","call_iv_pct":22.73485714285714,"put_iv_pct":24.120678733031674},{"expiry":"2027-03-19","call_iv_pct":20.277434944237918,"put_iv_pct":22.460683229813664},{"expiry":"2027-06-17","call_iv_pct":19.044922737306845,"put_iv_pct":27.034437499999996}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e96a1f09f0ac41d332cb89f2f9390b2eed5ce22e52541f6e3b08d3061df29ef4","captured_at":"2026-10-23T01:07:52.383196+00:00","observed_at":"2026-10-22T15:59:00-04:00","session_close_at":"2026-10-22T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/list/contracts/quote","query":{"symbol":"EWI","date":"2026-10-22","format":"json"},"source_hash":"81b617976b0535c0f1c8734311a701af40ce938ade87b0855c67fed6dfd10fa1"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"9b4090b42e824635cd827e9a52b11ece9da6c7f5b53d058fcd289e20ff86ab66"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"424f23a4c3ffa0400b20888def235ef6e09f65deb79d9abc1f88d91eacb014b9"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"0a88476f9d620f5a80d8892a90b1ba064ae2cdb134b3e60e69cebb38cdbe52c4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-21","end_date":"2026-10-22","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"ccd8e9a76e15d2ffb5355c70b9010ab8ff8f61ac00b5534c9bc2d693fe184407"}]},{"symbol":"EWI","date":"2026-10-23","iv_pct":22.083997565689813,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":14.834358974358974,"put_iv_pct":23.080290088638193},{"expiry":"2026-12-18","call_iv_pct":18.288538622129437,"put_iv_pct":26.846609195402298},{"expiry":"2027-03-19","call_iv_pct":18.715434782608696,"put_iv_pct":27.331743869209813},{"expiry":"2027-06-17","call_iv_pct":18.29577680525164,"put_iv_pct":29.279228187919465}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"6a9b0903b26253f7ac7b52a0b7467838a5d1c10fa4521dc2b7fe86cbeb3f6de1","captured_at":"2026-10-24T00:36:05.984344+00:00","observed_at":"2026-10-23T15:59:00-04:00","session_close_at":"2026-10-23T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/list/contracts/quote","query":{"symbol":"EWI","date":"2026-10-23","format":"json"},"source_hash":"8f987c5426247d2c9a610c1ef6e895cf5885451205084214caa6ac22a4b434c6"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c68dd8bfbd672308a9a02b818fda8286f6b5c57b745298a7c35b2cb64665e0b4"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8224553ce8f7790f739049fd5d98ebb07cef36936f67ecd592ccf89c3a818bef"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1ed1e751abeb0c251f761585d431fee7965da5f033f98ae2d8ec61041bd72f92"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-22","end_date":"2026-10-23","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"23eb8619e2304227032557d82162a7dbb6882133aae4ee9e2a8a9c5986e73371"}]},{"symbol":"EWI","date":"2026-10-26","iv_pct":22.933531980501733,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":21.384330958036422,"put_iv_pct":22.250625507717302},{"expiry":"2026-12-18","call_iv_pct":21.44681081081081,"put_iv_pct":25.14142061281337},{"expiry":"2027-03-19","call_iv_pct":19.754919786096256,"put_iv_pct":25.531122194513717},{"expiry":"2027-06-17","call_iv_pct":19.798571428571428,"put_iv_pct":28.160454545454545}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"149a4a3acd0158eea503d145881241fd66d4610e3340e8c0bb8678eb7ac029b7","captured_at":"2026-10-28T16:11:45.659401+00:00","observed_at":"2026-10-26T15:59:00-04:00","session_close_at":"2026-10-26T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"v2_verified_expiry_inventory","source_hash":"bf496e412397c5a02110d85fed7de677dd40dad81e43dc6f41e4228955f2ea04"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b63b4eb5431ebd0d714dd42bf5137ca815a85b47ffb1a43df0b51dd2e73dc9bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1a5b7dd5e3c3388ff9a24eae4a2de236f1c14cb2b162e29ece85730494f1de5a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8b8b569fa040234add8f8f2ae75455d2141126e5b8a163cdd504a773c0ee4bd7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f68793de3a04a5d8466ac7c495dc6eba461b89bce8617a16b21b8edacfcce211"}]},{"symbol":"EWI","date":"2026-10-27","iv_pct":21.95197048107135,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":22.89270358306189,"put_iv_pct":17.80381343283582},{"expiry":"2026-12-18","call_iv_pct":16.54235602094241,"put_iv_pct":26.928201219512193},{"expiry":"2027-03-19","call_iv_pct":18.94453744493392,"put_iv_pct":26.58995121951219},{"expiry":"2027-06-17","call_iv_pct":18.071309771309775,"put_iv_pct":27.842891156462585}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"638bb105e3e9521f8353deb17453b05590aac7162749de8a02b107dbc510e6c5","captured_at":"2026-10-28T16:11:45.140398+00:00","observed_at":"2026-10-27T15:59:00-04:00","session_close_at":"2026-10-27T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-27","end_date":"2026-10-27","strike_range":20,"format":"json"},"source_hash":"20ed843fad820a7c002af1155c645352094232feed1c5ef25db3f3a14335ed48"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"b63b4eb5431ebd0d714dd42bf5137ca815a85b47ffb1a43df0b51dd2e73dc9bf"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"1a5b7dd5e3c3388ff9a24eae4a2de236f1c14cb2b162e29ece85730494f1de5a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8b8b569fa040234add8f8f2ae75455d2141126e5b8a163cdd504a773c0ee4bd7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-26","end_date":"2026-10-27","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"f68793de3a04a5d8466ac7c495dc6eba461b89bce8617a16b21b8edacfcce211"}]},{"symbol":"EWI","date":"2026-10-28","iv_pct":21.31611925372725,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":19.133243243243243,"put_iv_pct":17.93706377014716},{"expiry":"2026-12-18","call_iv_pct":18.990699904122724,"put_iv_pct":25.846740947075208},{"expiry":"2027-03-19","call_iv_pct":19.29675540765391,"put_iv_pct":24.926666666666666},{"expiry":"2027-06-17","call_iv_pct":18.356875,"put_iv_pct":26.040909090909086}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"2d0b4969f6ed04549687832ddb0e8486c1208a017b00b53c5230582ae7310493","captured_at":"2026-10-29T16:11:32.116368+00:00","observed_at":"2026-10-28T15:59:00-04:00","session_close_at":"2026-10-28T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-28","end_date":"2026-10-28","strike_range":20,"format":"json"},"source_hash":"d6812afcd22c9a0bb4c651616ece613171be9db101ad619ac1dc3618b3b6d7d9"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"bab7898d0ae24f0262f1fc5baa1f2f099191f25c205fc944059f50a06d1e3185"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"162e325fddc7259a8678c0617ffdac14b2a7858ba4552ba4743ea00510bf84af"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"8f7520945a3109c56598223a72fff39734e868aec8608588917d19cd381a6c6e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-27","end_date":"2026-10-28","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d6d41141d0d48cd6aebafa3e00b4d4cb059b1a005c84188d64a05da324d3cb4e"}]},{"symbol":"EWI","date":"2026-10-29","iv_pct":20.40163713237188,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":24.696755407653914,"put_iv_pct":21.21896960711638},{"expiry":"2026-12-18","call_iv_pct":11.771363636363635,"put_iv_pct":21.75746359223301},{"expiry":"2027-03-19","call_iv_pct":16.300892857142856,"put_iv_pct":24.78748898678414},{"expiry":"2027-06-17","call_iv_pct":16.422504743833017,"put_iv_pct":26.2576582278481}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f805e573424527c87b4f6ae7830ef3b381db28753009151720ecb38faf265138","captured_at":"2026-10-30T16:20:27.922361+00:00","observed_at":"2026-10-29T15:59:00-04:00","session_close_at":"2026-10-29T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-29","end_date":"2026-10-29","strike_range":20,"format":"json"},"source_hash":"a00edaaff015a0b61c397d5c0eaf0a2b9a5e33d18324bf0d3f51f819be44acc4"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"36620479af3a8e3ae47bab656b8dc899bd8d5518da8e0cb4eae801a28d604b9d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"74afb78ffba04f0a3d97c10a0b854ef1eee9c050b681d379e7530ac239cb9f9c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"17e398968e58e8275a5bbcd0a7090777f2e7897ae5956e45c8b069ba6f17e5ae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-28","end_date":"2026-10-29","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"80526658822d2635787cf472b7740417ec830c95ed6b0e0b3461db211ac9a282"}]},{"symbol":"EWI","date":"2026-10-30","iv_pct":23.87671489261639,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":25.41850961538462,"put_iv_pct":25.929515219842163},{"expiry":"2026-12-18","call_iv_pct":21.532752659574466,"put_iv_pct":28.185974395448078},{"expiry":"2027-03-19","call_iv_pct":18.596896551724136,"put_iv_pct":25.913221476510067},{"expiry":"2027-06-17","call_iv_pct":17.93294117647059,"put_iv_pct":27.50390804597701}],"source":"ThetaData historical first-order Greeks","provider_symbol":"EWI","calendar_adjustments":[{"expiry":"2027-06-17","friday":"2027-06-18"}],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"edc1d116df8643022448e0e9d8ef81a8d4239298318f2ecc0e1a1d0838c364e7","captured_at":"2026-10-31T23:38:41.324584+00:00","observed_at":"2026-10-30T15:59:00-04:00","session_close_at":"2026-10-30T16:00:00-04:00","observation_policy":"equity_session_close_minus_one_minute","expiry_inventory":{"source":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"EWI","expiration":"*","start_date":"2026-10-30","end_date":"2026-10-30","strike_range":20,"format":"json"},"source_hash":"79c6b26fc5e4ab361f4918a8b32dc7b03086e5583f44aeb68ccd0d77569534cb"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-11-20","start_date":"2026-10-26","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"5ede10ca8783f91b383061a2fbd97719b75cf134f5a90c5c43e12fbe67ff456a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2026-12-18","start_date":"2026-10-26","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"346a01fa02c0246a33698a9e229a3c622b1bea7a8126f8219c43a6d8eeaf9f7e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-03-19","start_date":"2026-10-26","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c23416541e26f314bf1eaf9cae49bd536d7ee70a1e86539b2e0de0da2c0efc3f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"EWI","expiration":"2027-06-17","start_date":"2026-10-26","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"eaf03729b5982f5af4774a53f5b0ed1397e5236b627cc2673f8a737983559be9"}]}],"dailyIvModel":"theta-four-friday-close-50delta-v3","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/EWI","methodology":"https://intraalpha.com/resources/options-delta-methodology","units":{"iv_pct":"annualized percent","implied_move_pct":"percent of underlying price","put_call_skew_pp":"percentage points","price":"USD","dailyBlend.iv_pct":"annualized percent","dailyBlend.put_call_skew_pp":"percentage points; mean put IV minus call IV across four expiries","dailyBlend.implied_move_pct":"percent of spot; mean per-expiry mean call/put IV percent times sqrt(calendar days / 365.25); IV-based estimate, not quoted straddle premium"},"dailyBlend":[{"date":"2026-08-10","observed_at":"2026-08-10T15:59:00-04:00","iv_pct":18.197549985845306,"put_call_skew_pp":2.2570328652644083,"implied_move_pct":8.530283650656836,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"120fb2221f34f972b6cd76b4d439cb97426aeb299a9b06685690d4a1cadf6965","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-11","observed_at":"2026-08-11T15:59:00-04:00","iv_pct":17.04664118434507,"put_call_skew_pp":4.8437251956586795,"implied_move_pct":8.070533242410312,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"2c317cde45cb906c9b6070f77167ba88e5e2e96e7b961e03762b82213768d4dc","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-12","observed_at":"2026-08-12T15:59:00-04:00","iv_pct":18.40226777183407,"put_call_skew_pp":4.925511295833106,"implied_move_pct":8.899791997121389,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"41edf0ac140e67fd32737d6380bf1ca6ba7ec2f20388e0946d0b61d73a97d047","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-13","observed_at":"2026-08-13T15:59:00-04:00","iv_pct":17.450976137690947,"put_call_skew_pp":5.7010058458653425,"implied_move_pct":8.521576368261403,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"dd2a8bd97808cffa39319c57601515cdb6bb5f788aae4c0a856fd99b9be98d6f","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-14","observed_at":"2026-08-14T15:59:00-04:00","iv_pct":18.01926034545872,"put_call_skew_pp":7.104968630434403,"implied_move_pct":8.56847341205412,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d88d5ae1baf5325cef3fb69d7c9c81bb787601d7abcb432cca7f6fc81cee5841","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-17","observed_at":"2026-08-17T15:59:00-04:00","iv_pct":18.880120056156777,"put_call_skew_pp":2.7533497595316456,"implied_move_pct":8.490136378736729,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"6e690fa3c0da77d9f598dd1798f879fac40713c0f35c4f82dbd93b9f234f3d61","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-18","observed_at":"2026-08-18T15:59:00-04:00","iv_pct":22.15461166379155,"put_call_skew_pp":5.1661609657913665,"implied_move_pct":9.130478660161428,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b33336b16ea9445a521c13c764faab6ceab5f6329a8f74aeb72a791310964f7e","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-19","observed_at":"2026-08-19T15:59:00-04:00","iv_pct":22.144504189872144,"put_call_skew_pp":4.12359512656419,"implied_move_pct":8.864902244374733,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a97e8cf4518ab4ce1d7857365d6259305dda22f8908c739a9746fa3b8855c3e8","expiries":["2026-08-21","2026-09-18","2026-12-18","2027-03-19"]},{"date":"2026-08-20","observed_at":"2026-08-20T15:59:00-04:00","iv_pct":21.249155862616767,"put_call_skew_pp":2.7740952467490603,"implied_move_pct":6.109328704925056,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"c11bbee83c022cd1e0b4c9dc124f27c98d6a763d798d92cf7e204b205c83ca38","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-12-18"]},{"date":"2026-08-21","observed_at":"2026-08-21T15:59:00-04:00","iv_pct":22.638471782857124,"put_call_skew_pp":5.081958833086353,"implied_move_pct":11.121349367111069,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a2b8dd4116a05cfe616c210ab4ecdb9e41465f730e293e607a37c1d312856548","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-08-24","observed_at":"2026-08-24T15:59:00-04:00","iv_pct":20.14798762190226,"put_call_skew_pp":4.82282093283936,"implied_move_pct":10.120405292761703,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"da55a81224959b412b17a59d23c6bc304c882517a2367414c799d0103ebd751a","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-08-25","observed_at":"2026-08-25T15:59:00-04:00","iv_pct":18.875984755562307,"put_call_skew_pp":7.608360104281634,"implied_move_pct":9.373249773487416,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"523ab96f769f458f279b9e3295f3dcc124b509ee2f858655d18e1d5cc10a8b63","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-08-26","observed_at":"2026-08-26T15:59:00-04:00","iv_pct":18.611815076121793,"put_call_skew_pp":5.720708637790906,"implied_move_pct":9.252815184184893,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"bcab65a8d517ecdf3c8489c9bb57aad1400dede11857ed78e33167dcfb69baa9","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-08-27","observed_at":"2026-08-27T15:59:00-04:00","iv_pct":18.59395835902454,"put_call_skew_pp":6.363850269517021,"implied_move_pct":9.239511880566006,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3128a1bce6ae3996f006855f17f9643267349c30ec8a983a41cf608db1c04081","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-08-28","observed_at":"2026-08-28T15:59:00-04:00","iv_pct":19.12209417256725,"put_call_skew_pp":7.278353944587472,"implied_move_pct":9.396614663117116,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"4ed7503acc604362e33001aa33578c4dbd2629c1ad9a758507005764a901d17d","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-08-31","observed_at":"2026-08-31T15:59:00-04:00","iv_pct":19.601461229300277,"put_call_skew_pp":4.720797403673241,"implied_move_pct":9.461737456664443,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"7bdd1226df2119925bd7fe839848c522602f61dad8fbb7cdb99a9f1df1a3466e","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-01","observed_at":"2026-09-01T15:59:00-04:00","iv_pct":20.652050733403918,"put_call_skew_pp":6.015979286455608,"implied_move_pct":9.733036609654349,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"05831cb49476200eb1c76298406e1539280ababc535576f4acd4d3d9c7084159","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-02","observed_at":"2026-09-02T15:59:00-04:00","iv_pct":20.160065767428993,"put_call_skew_pp":7.164186180973269,"implied_move_pct":9.566295457278914,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"10c9f484e2d44e2939cbba2661182b64fe26ac8e474eb4d99c526d3767c4424f","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-03","observed_at":"2026-09-03T15:59:00-04:00","iv_pct":19.31027639376316,"put_call_skew_pp":9.624993138948804,"implied_move_pct":9.160592059784095,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e001fbfafc49d2cf55499a83b8bb58d52dcba21c7b66ff3051fa2fb7aecb045a","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-04","observed_at":"2026-09-04T15:59:00-04:00","iv_pct":19.03985332582643,"put_call_skew_pp":7.791295561714891,"implied_move_pct":9.017532495903435,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"753f2691372bd5dd74e0ac5ea1d48876a32fdcf037d9e93dd5faa492f509a4d7","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-08","observed_at":"2026-09-08T15:59:00-04:00","iv_pct":20.103038241389214,"put_call_skew_pp":4.327996781768261,"implied_move_pct":9.052868175387026,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"06ea95bef63edd89f5b9374ed317bd41c953f6d8e820f2c4cc385a631afe5ae8","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-09","observed_at":"2026-09-09T15:59:00-04:00","iv_pct":20.197115868835773,"put_call_skew_pp":5.518085616466442,"implied_move_pct":9.09059239545668,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"c7e159ae36cad857ff0f48ef8587ade36f23eb8ce63850e7dd417ed6c9ab1642","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-10","observed_at":"2026-09-10T15:59:00-04:00","iv_pct":20.398567050259373,"put_call_skew_pp":3.589997217427233,"implied_move_pct":8.942179335223626,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"ec0b4c764b4cfe3de21bb3105449123747bec2b2655e94fe94a0573737bf7237","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-11","observed_at":"2026-09-11T15:59:00-04:00","iv_pct":19.007036817307547,"put_call_skew_pp":7.120160799873516,"implied_move_pct":8.261439466964509,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3c0df9f6f33cc0132c90803a2b126d4198dea57aa8ee0efe02ec3afedda44ee3","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-14","observed_at":"2026-09-14T15:59:00-04:00","iv_pct":20.39385764394587,"put_call_skew_pp":7.407995842787527,"implied_move_pct":8.30933995925692,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"25ca4597a88664f37fda3afa8670d3b0965a9d22d63699612189f5f414f2abcb","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-15","observed_at":"2026-09-15T15:59:00-04:00","iv_pct":20.108245220917613,"put_call_skew_pp":5.381798362065224,"implied_move_pct":7.982528794167752,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b293cc12dbb47a4f45bbfb8f7bc061946e6428f172b5c41cea30659e6df0aa53","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-16","observed_at":"2026-09-16T15:59:00-04:00","iv_pct":23.080956922935975,"put_call_skew_pp":5.350836855246993,"implied_move_pct":8.557056903386668,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"5a93ddf5f0ece0a30bb398186af5268d098f2715889f071589767b7d06396b12","expiries":["2026-09-18","2026-10-16","2026-12-18","2027-03-19"]},{"date":"2026-09-17","observed_at":"2026-09-17T15:59:00-04:00","iv_pct":26.176225683414355,"put_call_skew_pp":8.368852677012745,"implied_move_pct":6.792426803250123,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"7474b01baf850eb2fec6da2e2db3a844a65c5e1485d470cebe660e7ca80ecf23","expiries":["2026-09-18","2026-10-16","2026-11-20","2026-12-18"]},{"date":"2026-09-18","observed_at":"2026-09-18T15:59:00-04:00","iv_pct":20.633283922165568,"put_call_skew_pp":6.694501466519297,"implied_move_pct":10.017134903391057,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"44bea26b16c1f213108da27ca48700a05e9cde19a2adf2e2857d78815cd02466","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-21","observed_at":"2026-09-21T15:59:00-04:00","iv_pct":20.226120986994303,"put_call_skew_pp":6.998786402870987,"implied_move_pct":9.56077987593158,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d14fcfc97c54cacac8248d95aee8a7828d77960537e85885616377cfc9c12316","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-22","observed_at":"2026-09-22T15:59:00-04:00","iv_pct":19.234923400151768,"put_call_skew_pp":9.52726697980163,"implied_move_pct":8.907470229866801,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"154c7a2ccb6e02512571209dafe59b00a62182ce41c41485bde3975bbb7d17c2","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-23","observed_at":"2026-09-23T15:59:00-04:00","iv_pct":16.7689302542972,"put_call_skew_pp":4.052624120096488,"implied_move_pct":7.694008693689829,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d1c337fe8356f02bda6c1daaf7a3513d72c13a59d2f3a1b5606d6b618abc17fe","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-24","observed_at":"2026-09-24T15:59:00-04:00","iv_pct":20.11114377194023,"put_call_skew_pp":6.674337210368018,"implied_move_pct":9.195640124280215,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"277e1a8d44dd253e9d58d1ac5545fbf5290480f9dc96bf211edae56194857648","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-25","observed_at":"2026-09-25T15:59:00-04:00","iv_pct":20.896271165631607,"put_call_skew_pp":9.371229020132521,"implied_move_pct":9.367369143234587,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e18f06f2c970275c03f1bac5498a41b38653a70abc415092b723cd4f2a2db2c1","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-28","observed_at":"2026-09-28T15:59:00-04:00","iv_pct":18.591890608850953,"put_call_skew_pp":7.637516301285041,"implied_move_pct":8.1984767914416,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"8a599850288f26bbebc4bb68bbb84e62c326e19db10d41178761c0ce7fd65068","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-29","observed_at":"2026-09-29T15:59:00-04:00","iv_pct":19.972705647261336,"put_call_skew_pp":6.193259619964222,"implied_move_pct":8.671770711508922,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d0d74b81e04cf4c7be27c39e11a4ac01da8f0a61205024bb2507b237fd034708","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-09-30","observed_at":"2026-09-30T15:59:00-04:00","iv_pct":21.19086829817652,"put_call_skew_pp":3.6421774066945956,"implied_move_pct":9.114203239444372,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d7cd0473d35dc881ea0403fde6e9853575b1154e653859adf032265d4c163997","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-01","observed_at":"2026-10-01T15:59:00-04:00","iv_pct":21.574246166876847,"put_call_skew_pp":3.7243020044776527,"implied_move_pct":9.120981640675204,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"89c632bb22972cce57172652908be73e5bd06fa61dcd496a9c8a312af661b7cc","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-02","observed_at":"2026-10-02T15:59:00-04:00","iv_pct":23.506881010472632,"put_call_skew_pp":12.040450397091465,"implied_move_pct":9.980082766059294,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1ec8790b44eeaaac5432b20960d3402831f2efb9772a5d876c4ce2331d597847","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-05","observed_at":"2026-10-05T15:59:00-04:00","iv_pct":21.1811023119271,"put_call_skew_pp":9.353527352171213,"implied_move_pct":8.753195657954127,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1a0a6abcc1dd1224044fcdebb8169ab63cfd6a210ff62c5dc1956eb7f1433642","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-06","observed_at":"2026-10-06T15:59:00-04:00","iv_pct":22.827384956664062,"put_call_skew_pp":10.239887125466128,"implied_move_pct":9.19861261445899,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"2cbd291af36fb045290d51502155d4298381b6f69b0e8b8b56c4612036cbdb9c","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-07","observed_at":"2026-10-07T15:59:00-04:00","iv_pct":21.814329531582295,"put_call_skew_pp":7.311615309517702,"implied_move_pct":8.856719400118678,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a7c604c1bfccfffdc07a5ad673e8c5fb55e06e1ab2d819856812a1d28a7ce38e","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-08","observed_at":"2026-10-08T15:59:00-04:00","iv_pct":21.30422402268821,"put_call_skew_pp":9.509386685485625,"implied_move_pct":8.431023392998776,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"2a22ea6bd82d9a29685fadc853a7e8c55bc276b8ba2b82d0536a1e0269a4954d","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-09","observed_at":"2026-10-09T15:59:00-04:00","iv_pct":21.072831162717378,"put_call_skew_pp":6.84729334293443,"implied_move_pct":8.57684353167581,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"fb6af7361881d6f9982db2595c2a0b313bc7a69eca5c29b458fa1f60f4bc0c5d","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-12","observed_at":"2026-10-12T15:59:00-04:00","iv_pct":24.73285676479422,"put_call_skew_pp":0.8139239745469853,"implied_move_pct":8.758180808048841,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"c43d3d8ffb232c353943ce902731650b044f358891217bf184c68348421beab2","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-13","observed_at":"2026-10-13T15:59:00-04:00","iv_pct":22.07336992272154,"put_call_skew_pp":5.741740680050519,"implied_move_pct":7.8926686487819,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"da842f2ae8e44fc47f5625478b8ab121a3d21515217af14e05c6d612ac193a4b","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-14","observed_at":"2026-10-14T15:59:00-04:00","iv_pct":21.970585814476493,"put_call_skew_pp":1.4329086996919935,"implied_move_pct":7.652630307014366,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"ca07cb65e0a94d00b091d461df1d65c4d3e07d6e2f2fb57ac28cc682196320de","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-15","observed_at":"2026-10-15T15:59:00-04:00","iv_pct":27.069316447025887,"put_call_skew_pp":7.664355103328761,"implied_move_pct":7.983523400335198,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"c6a28e92cc8aec97277146386ac44147ccfa6a3ddf889a1310e5931304b829ae","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-03-19"]},{"date":"2026-10-16","observed_at":"2026-10-16T15:59:00-04:00","iv_pct":23.709878439964662,"put_call_skew_pp":4.688662439318699,"implied_move_pct":12.63127369971148,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"bd6d2e7dca3a544a76117f000257419fd04b34adf3993daf44e9cc3ad902865a","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-19","observed_at":"2026-10-19T15:59:00-04:00","iv_pct":22.49383229852012,"put_call_skew_pp":5.487519066128531,"implied_move_pct":12.248078033385527,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"899886d01d7351e5074768a0a9c4d55161b902ddde49f72a6df238eaa96e5315","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-20","observed_at":"2026-10-20T15:59:00-04:00","iv_pct":23.13756627818955,"put_call_skew_pp":11.557850776859498,"implied_move_pct":12.47427192674062,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"551ad68fb8d89e76f49fa5a4e38d95b0a538f39016a06e0eb4af02bd913a09b0","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-21","observed_at":"2026-10-21T15:59:00-04:00","iv_pct":22.28781472899065,"put_call_skew_pp":6.5016183927860505,"implied_move_pct":12.030232663373738,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1dbfa671933768d7f8181fbe963b8ecc00d25cec0dc3532e91710d8ab3b3ffcf","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-22","observed_at":"2026-10-22T15:59:00-04:00","iv_pct":22.748280127188337,"put_call_skew_pp":2.7571622618561227,"implied_move_pct":11.995159105153522,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e96a1f09f0ac41d332cb89f2f9390b2eed5ce22e52541f6e3b08d3061df29ef4","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-23","observed_at":"2026-10-23T15:59:00-04:00","iv_pct":22.083997565689813,"put_call_skew_pp":9.100940539205254,"implied_move_pct":11.963247422548324,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"6a9b0903b26253f7ac7b52a0b7467838a5d1c10fa4521dc2b7fe86cbeb3f6de1","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-26","observed_at":"2026-10-26T15:59:00-04:00","iv_pct":22.933531980501733,"put_call_skew_pp":4.674747469246006,"implied_move_pct":11.998046546422586,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"149a4a3acd0158eea503d145881241fd66d4610e3340e8c0bb8678eb7ac029b7","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-27","observed_at":"2026-10-27T15:59:00-04:00","iv_pct":21.95197048107135,"put_call_skew_pp":5.678487552018697,"implied_move_pct":11.499645697620656,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"638bb105e3e9521f8353deb17453b05590aac7162749de8a02b107dbc510e6c5","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-28","observed_at":"2026-10-28T15:59:00-04:00","iv_pct":21.31611925372725,"put_call_skew_pp":4.743451729944561,"implied_move_pct":11.126905224218728,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"2d0b4969f6ed04549687832ddb0e8486c1208a017b00b53c5230582ae7310493","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-29","observed_at":"2026-10-29T15:59:00-04:00","iv_pct":20.40163713237188,"put_call_skew_pp":6.207515942247053,"implied_move_pct":10.393133942003889,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f805e573424527c87b4f6ae7830ef3b381db28753009151720ecb38faf265138","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]},{"date":"2026-10-30","observed_at":"2026-10-30T15:59:00-04:00","iv_pct":23.876714892616388,"put_call_skew_pp":6.012879783655877,"implied_move_pct":11.766937818818398,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"edc1d116df8643022448e0e9d8ef81a8d4239298318f2ecc0e1a1d0838c364e7","expiries":["2026-11-20","2026-12-18","2027-03-19","2027-06-17"]}]}