{"schemaVersion":1,"symbol":"GOVZ","days":90,"observations":[{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-21T19:58:00.073000+00:00","captured_at":"2026-10-22T05:02:34.255Z","last_trade_at":"2026-10-22T00:00:03.376942218Z","price":32.89,"iv_pct":25.658691309600375,"implied_move_pct":5.930182865655726,"put_call_skew_pp":-2.5004673783150744,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"7094a72f0fd88c1798156a0a71689bca22c9027005aa068d8314f1ebece8231b"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-22T18:28:06.727000+00:00","captured_at":"2026-10-22T18:36:21.435Z","last_trade_at":"2026-10-22T18:36:05.885020845Z","price":33.86,"iv_pct":28.644722719963283,"implied_move_pct":6.604340872624544,"put_call_skew_pp":-18.737985412213558,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"9887f21629515cbffff96d553b020bf09fcf76b9913910d48ced1b877e9b4e0f"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-22T19:59:13.824000+00:00","captured_at":"2026-10-23T01:57:11.796Z","last_trade_at":"2026-10-23T00:00:03.30550118Z","price":33.83,"iv_pct":28.393962433178533,"implied_move_pct":6.476208423863985,"put_call_skew_pp":-3.641763454832281,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"0a7f206b4c08fc263ad935e953172cd6598ca20db35c0e4d0d91ead3f1c909c4"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-23T17:10:11.370000+00:00","captured_at":"2026-10-23T17:24:13.963Z","last_trade_at":"2026-10-23T17:21:37.923868844Z","price":33.64,"iv_pct":25.417969815475626,"implied_move_pct":5.6340422870891045,"put_call_skew_pp":-0.7268698216451097,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"6bfe2bcfe4c8bc7c7791f78dddd9b94ec9600cf340b0ccedb51803af9d440534"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-23T19:55:01.700000+00:00","captured_at":"2026-10-24T04:46:38.059Z","last_trade_at":"2026-10-24T00:00:03.263073303Z","price":33.525,"iv_pct":26.027243007266865,"implied_move_pct":5.676449089609232,"put_call_skew_pp":-8.795556695992385,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"7a1d65e3416a62fa574b374a438c2fd10174f1516c9d3677510bcbbaae24181c"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-26T19:59:20.647000+00:00","captured_at":"2026-10-26T23:59:22.766Z","last_trade_at":"2026-10-26T22:30:03.342454467Z","price":33.86,"iv_pct":25.358343514287,"implied_move_pct":5.327093965904264,"put_call_skew_pp":-13.042234106585537,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"11ea5d35418173ea887202132f2ef5c6031072a00af7a55543cfb3ce5899c86f"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-27T19:52:32.927000+00:00","captured_at":"2026-10-27T23:02:29.948Z","last_trade_at":"2026-10-27T22:30:03.392810061Z","price":33.79,"iv_pct":26.017198628843474,"implied_move_pct":5.328438477271503,"put_call_skew_pp":-14.433387964351313,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"befa3926361c007010a878b33ff2ecbd6a5ff55b04f959487bc683b9a635fa65"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-28T19:54:55.069000+00:00","captured_at":"2026-10-28T20:14:10.933Z","last_trade_at":"2026-10-28T20:10:03.275690037Z","price":33.29,"iv_pct":23.783429542950632,"implied_move_pct":4.667713631287571,"put_call_skew_pp":1.4450595883469641,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"5d22c86bb4993a74e0abc0f707f2e6acd099a25b18729df1cf958a5b18f0c79c"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-10-29T19:52:18.293000+00:00","captured_at":"2026-10-29T22:57:58.072Z","last_trade_at":"2026-10-29T22:33:23.989545937Z","price":32.62,"iv_pct":27.283818130415906,"implied_move_pct":5.324200942886426,"put_call_skew_pp":-6.5719621238559345,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"f1eb5bb949633e08b756b56f32000902982ce04ff6768940db46c50e09988b35"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-11-02T20:46:41.150000+00:00","captured_at":"2026-11-02T20:52:50.363Z","last_trade_at":"2026-11-02T20:52:01.16964807Z","price":33.74,"iv_pct":27.15685103740802,"implied_move_pct":4.773953283725155,"put_call_skew_pp":-20.360793295923568,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"0491d2ba37dc326ac45562f8be891d0e721a60c0e06db7974d92f14db12f797c"},{"symbol":"GOVZ","expiry":"2026-11-20","observed_at":"2026-11-05T20:50:40.183000+00:00","captured_at":"2026-11-06T11:55:43.261Z","last_trade_at":"2026-11-06T01:00:03.290123292Z","price":33.66,"iv_pct":27.18881563230272,"implied_move_pct":4.315081243338834,"put_call_skew_pp":-24.61171097540835,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GOVZ","source_hash":"2c2522bbdfa9065a2e8feeee3f81ecc54101e97f5f7cadb7346f7b7928e68b05"}],"dailyIv":[{"symbol":"GOVZ","date":"2026-08-10","iv_pct":26.54192317913832,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":38.831813031161474,"put_iv_pct":35.714205868653934},{"expiry":"2026-09-18","call_iv_pct":26.227924528301887,"put_iv_pct":24.73938802958978},{"expiry":"2026-11-20","call_iv_pct":21.465842696629213,"put_iv_pct":22.3018373812038},{"expiry":"2027-02-19","call_iv_pct":22.038022922636102,"put_iv_pct":21.01635097493036}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"0267099ff50077124568a79e869ae5ce478daeda3967524f212c824b7529b236","captured_at":"2026-10-24T08:38:47.754162+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":"GOVZ","expiration":"*","start_date":"2026-08-10","end_date":"2026-08-10","strike_range":20,"format":"json"},"source_hash":"31cb3f6216b5bb2693825aa4e1a952e1e36d5b479332a16a379b302ccd7975a1"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"faba136f0a874e2abeaa89c1e9db7b638711a3c77d4a7d517f075951830d601e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"52af9316509c13b5a774a54c8a450455ace12666d6238712bb4ba90800dd7a48"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"b35c5d2b800fcc0e3e06b3a4817a2247db96f13a3798f8990ae6038b22248bf5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"af9c108005526dd3325df88df66e0ffc58e8b95b28e3d61b5883c550f31257cd"}]},{"symbol":"GOVZ","date":"2026-08-11","iv_pct":25.148608354671687,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":37.511092896174866,"put_iv_pct":35.14887939221272},{"expiry":"2026-09-18","call_iv_pct":22.84871853546911,"put_iv_pct":23.175586885245902},{"expiry":"2026-11-20","call_iv_pct":20.153530626290436,"put_iv_pct":22.857795801526716},{"expiry":"2027-02-19","call_iv_pct":20.26297082228117,"put_iv_pct":19.230291878172586}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"fb21a618841e3950a9cb090168d2d6dd7fdff817cfa57c215c32695a3021022d","captured_at":"2026-10-24T08:38:45.670543+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":"GOVZ","expiration":"*","start_date":"2026-08-11","end_date":"2026-08-11","strike_range":20,"format":"json"},"source_hash":"37801047aa4fc52561bb320785221326b5b4f32c23c2d80c6f8dc2571a418744"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"faba136f0a874e2abeaa89c1e9db7b638711a3c77d4a7d517f075951830d601e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"52af9316509c13b5a774a54c8a450455ace12666d6238712bb4ba90800dd7a48"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"b35c5d2b800fcc0e3e06b3a4817a2247db96f13a3798f8990ae6038b22248bf5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"af9c108005526dd3325df88df66e0ffc58e8b95b28e3d61b5883c550f31257cd"}]},{"symbol":"GOVZ","date":"2026-08-12","iv_pct":25.368998670822833,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":37.09069423929099,"put_iv_pct":35.84984848484848},{"expiry":"2026-09-18","call_iv_pct":22.38600686498856,"put_iv_pct":22.81480144404332},{"expiry":"2026-11-20","call_iv_pct":19.811952662721893,"put_iv_pct":22.077253086419756},{"expiry":"2027-02-19","call_iv_pct":21.4225,"put_iv_pct":21.498932584269664}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f82295ec3333c039b888ac81ac8127f12134e0e539ddb444e70d83285c27682a","captured_at":"2026-10-24T08:38:43.449740+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":"GOVZ","expiration":"*","start_date":"2026-08-12","end_date":"2026-08-12","strike_range":20,"format":"json"},"source_hash":"18627bb962ddb9452eac096dfae79ec3fca5ee35d4da511275233c10ab5b731b"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"faba136f0a874e2abeaa89c1e9db7b638711a3c77d4a7d517f075951830d601e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"52af9316509c13b5a774a54c8a450455ace12666d6238712bb4ba90800dd7a48"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"b35c5d2b800fcc0e3e06b3a4817a2247db96f13a3798f8990ae6038b22248bf5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"af9c108005526dd3325df88df66e0ffc58e8b95b28e3d61b5883c550f31257cd"}]},{"symbol":"GOVZ","date":"2026-08-13","iv_pct":25.300864122531827,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":38.00748389866895,"put_iv_pct":36.107594752186586},{"expiry":"2026-09-18","call_iv_pct":22.516368260427264,"put_iv_pct":21.393877022653722},{"expiry":"2026-11-20","call_iv_pct":19.586899063475542,"put_iv_pct":21.575361570247935},{"expiry":"2027-02-19","call_iv_pct":20.598623376623376,"put_iv_pct":22.620705035971227}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"9771b2975da55581125189e9c9639d2a22e3b608ae541b4d09be51da0f3e7006","captured_at":"2026-10-24T08:38:41.489963+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":"GOVZ","expiration":"*","start_date":"2026-08-13","end_date":"2026-08-13","strike_range":20,"format":"json"},"source_hash":"1b6381a4d7ac0f86bf308d9e7c325bafb489fd229ff60de94d821681f2d27158"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"faba136f0a874e2abeaa89c1e9db7b638711a3c77d4a7d517f075951830d601e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"52af9316509c13b5a774a54c8a450455ace12666d6238712bb4ba90800dd7a48"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"b35c5d2b800fcc0e3e06b3a4817a2247db96f13a3798f8990ae6038b22248bf5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"af9c108005526dd3325df88df66e0ffc58e8b95b28e3d61b5883c550f31257cd"}]},{"symbol":"GOVZ","date":"2026-08-14","iv_pct":26.491639767055222,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":42.09411324786325,"put_iv_pct":38.954334532374105},{"expiry":"2026-09-18","call_iv_pct":22.947121026894866,"put_iv_pct":23.396647759500848},{"expiry":"2026-11-20","call_iv_pct":20.05202635914333,"put_iv_pct":22.127988165680474},{"expiry":"2027-02-19","call_iv_pct":21.041301859799713,"put_iv_pct":21.319585185185186}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"fc2c26829411173976417a3811647a2773d1d4e95618e6d2bd18a396e2760c7b","captured_at":"2026-10-24T08:38:22.158953+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":"GOVZ","expiration":"*","start_date":"2026-08-14","end_date":"2026-08-14","strike_range":20,"format":"json"},"source_hash":"3bec45d6c828483fc533ba14dc4ca37cd0606f0ab8ec57c7a6cc06c2afaeb88c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"faba136f0a874e2abeaa89c1e9db7b638711a3c77d4a7d517f075951830d601e"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"52af9316509c13b5a774a54c8a450455ace12666d6238712bb4ba90800dd7a48"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"b35c5d2b800fcc0e3e06b3a4817a2247db96f13a3798f8990ae6038b22248bf5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"af9c108005526dd3325df88df66e0ffc58e8b95b28e3d61b5883c550f31257cd"}]},{"symbol":"GOVZ","date":"2026-08-17","iv_pct":29.493740306674002,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":53.69140280561122,"put_iv_pct":49.61182044887781},{"expiry":"2026-09-18","call_iv_pct":24.85033195020747,"put_iv_pct":23.21510854816825},{"expiry":"2026-11-20","call_iv_pct":21.045277207392196,"put_iv_pct":22.010027649769583},{"expiry":"2027-02-19","call_iv_pct":21.178158567774936,"put_iv_pct":20.347795275590553}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"e1eaa59b9ea2b0685ec553263593098b85781f8e17de56b35af412116737898e","captured_at":"2026-10-24T08:38:17.471391+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":"GOVZ","expiration":"*","start_date":"2026-08-17","end_date":"2026-08-17","strike_range":20,"format":"json"},"source_hash":"f210b034c36f3ab1f40a0f6c4673cf9caa706b47cabd1bb16e979f9129cbad3f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"b58cb8f357e9d0f7ee1b4e20a21344e9c50c1b70bc8e187f53a0c0a822a5e0be"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1649f893581ed2a2c3513197b4769a2b27a86b4a99f86dcddd957c05b35cee5f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6c11629d5184d5ae927f87f4422c1b623782037d0087f9983990abf0773e2dc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"3fe41e1f34abc7a5f40e4c6a7590b9bf0c5d15e51650754c69b96ca74482be3a"}]},{"symbol":"GOVZ","date":"2026-08-18","iv_pct":30.240255741285466,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":56.37569002123144,"put_iv_pct":54.525104965011664},{"expiry":"2026-09-18","call_iv_pct":22.662247673586254,"put_iv_pct":24.39092530657748},{"expiry":"2026-11-20","call_iv_pct":18.03537391304348,"put_iv_pct":23.79122199592668},{"expiry":"2027-02-19","call_iv_pct":20.91724782067248,"put_iv_pct":21.22423423423423}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"52bf80b2173c11dd503df75a5b0c6db711a4c2f1cd3722734d12f9b695b3c001","captured_at":"2026-10-24T08:38:15.743932+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":"GOVZ","expiration":"*","start_date":"2026-08-18","end_date":"2026-08-18","strike_range":20,"format":"json"},"source_hash":"e91da22d11591a17638288a74090a1ff2266260f0cb06bf95bdcc8812ebc352f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"b58cb8f357e9d0f7ee1b4e20a21344e9c50c1b70bc8e187f53a0c0a822a5e0be"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1649f893581ed2a2c3513197b4769a2b27a86b4a99f86dcddd957c05b35cee5f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6c11629d5184d5ae927f87f4422c1b623782037d0087f9983990abf0773e2dc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"3fe41e1f34abc7a5f40e4c6a7590b9bf0c5d15e51650754c69b96ca74482be3a"}]},{"symbol":"GOVZ","date":"2026-08-19","iv_pct":33.53148509431256,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":66.1473189522342,"put_iv_pct":65.30493013972057},{"expiry":"2026-09-18","call_iv_pct":22.660000000000004,"put_iv_pct":24.779866666666667},{"expiry":"2026-11-20","call_iv_pct":19.963095014111005,"put_iv_pct":24.08564705882353},{"expiry":"2027-02-19","call_iv_pct":20.238849009900992,"put_iv_pct":25.07217391304348}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"baf728727837d3accb703bbf4203281cef0328ed9df259789f80d13f1a65159c","captured_at":"2026-10-24T08:38:14.110909+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":"GOVZ","expiration":"*","start_date":"2026-08-19","end_date":"2026-08-19","strike_range":20,"format":"json"},"source_hash":"a16e08c86a56a29b2c9406cfe0ccfc837459b6be39f901c3bfd92fd098bd45f8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"b58cb8f357e9d0f7ee1b4e20a21344e9c50c1b70bc8e187f53a0c0a822a5e0be"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1649f893581ed2a2c3513197b4769a2b27a86b4a99f86dcddd957c05b35cee5f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6c11629d5184d5ae927f87f4422c1b623782037d0087f9983990abf0773e2dc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"3fe41e1f34abc7a5f40e4c6a7590b9bf0c5d15e51650754c69b96ca74482be3a"}]},{"symbol":"GOVZ","date":"2026-08-20","iv_pct":43.26287014752216,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-08-21","call_iv_pct":108.93915474642392,"put_iv_pct":100.53608196721311},{"expiry":"2026-09-18","call_iv_pct":24.210744849445327,"put_iv_pct":24.329769975786924},{"expiry":"2026-10-16","call_iv_pct":21.598427672955975,"put_iv_pct":22.173174858984694},{"expiry":"2026-11-20","call_iv_pct":20.84278409090909,"put_iv_pct":23.472823018458197}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"ffbd9dfe818e61fbca6e39fcbbc4d843e725154dde1a7a030290dfa556822cc1","captured_at":"2026-10-24T08:38:12.558859+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":"GOVZ","expiration":"*","start_date":"2026-08-20","end_date":"2026-08-20","strike_range":20,"format":"json"},"source_hash":"c51f2ef9ba44661a2f9ac93160a29187bd417268121e0d5f637748721f6bd68d"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"b58cb8f357e9d0f7ee1b4e20a21344e9c50c1b70bc8e187f53a0c0a822a5e0be"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1649f893581ed2a2c3513197b4769a2b27a86b4a99f86dcddd957c05b35cee5f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"519b9105fb0397af13240769767e965807e9e444da7c6d4f2e3cd992bd3e3eb5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6c11629d5184d5ae927f87f4422c1b623782037d0087f9983990abf0773e2dc6"}]},{"symbol":"GOVZ","date":"2026-08-21","iv_pct":23.485052188717702,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":25.72224830142063,"put_iv_pct":26.053265993265995},{"expiry":"2026-10-16","call_iv_pct":22.30736649597659,"put_iv_pct":23.08832472324723},{"expiry":"2026-11-20","call_iv_pct":21.379659982563208,"put_iv_pct":23.54458207452165},{"expiry":"2027-02-19","call_iv_pct":21.461908177905308,"put_iv_pct":24.323061760841}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f8cb5c0a52ce63283a8d14ea143baa03262216ed3d84fec08081376d29815c45","captured_at":"2026-10-24T08:38:09.820201+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":"GOVZ","expiration":"*","start_date":"2026-08-21","end_date":"2026-08-21","strike_range":20,"format":"json"},"source_hash":"5949dbd1ae0324a1159bda794fa9173ba07c14a36cf9dfef75dd3726fc534184"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1649f893581ed2a2c3513197b4769a2b27a86b4a99f86dcddd957c05b35cee5f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"519b9105fb0397af13240769767e965807e9e444da7c6d4f2e3cd992bd3e3eb5"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6c11629d5184d5ae927f87f4422c1b623782037d0087f9983990abf0773e2dc6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"3fe41e1f34abc7a5f40e4c6a7590b9bf0c5d15e51650754c69b96ca74482be3a"}]},{"symbol":"GOVZ","date":"2026-08-24","iv_pct":23.482462277715697,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":26.81575786463298,"put_iv_pct":25.856620553359683},{"expiry":"2026-10-16","call_iv_pct":22.06327868852459,"put_iv_pct":23.44851108033241},{"expiry":"2026-11-20","call_iv_pct":21.533133047210303,"put_iv_pct":23.16484419263456},{"expiry":"2027-02-19","call_iv_pct":22.30542857142857,"put_iv_pct":22.672124223602484}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"96ba5a9aa6dc392bbaf6b9f53b40cea11b84174fb9b513df32c31e741cc2de49","captured_at":"2026-10-24T08:38:05.722124+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":"GOVZ","expiration":"*","start_date":"2026-08-24","end_date":"2026-08-24","strike_range":20,"format":"json"},"source_hash":"fb5f96ee07a8d4c8b089acea11864efedd6cbadb86a2790b51d16a6f1744c3ad"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"bf2ee26166305f20272aa166fd277a0ba8a09848f6ec231b148a203d475f83a3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ddfbbe58b152af1a51401cf160a749bc90b62f0b595f10faca5ea946b0790bb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"1ad133cf8991fdb0b45117b1cb18566071837a40e13823986abde04e999c6a4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"7f7c03d69da1f32c52efc59f18446cedad506a360d0464a943e56b6fbf5bdda6"}]},{"symbol":"GOVZ","date":"2026-08-25","iv_pct":23.692780159651917,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":25.065870674985817,"put_iv_pct":27.933553719008263},{"expiry":"2026-10-16","call_iv_pct":21.042819650067297,"put_iv_pct":22.3935},{"expiry":"2026-11-20","call_iv_pct":20.615245901639344,"put_iv_pct":26.346062639821028},{"expiry":"2027-02-19","call_iv_pct":21.573232169954476,"put_iv_pct":24.571956521739132}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"7754f7c80d1044e4592e0e93b2ad438378b2c7202dc01bdd9d71aa72e920fd8a","captured_at":"2026-10-24T08:38:04.158457+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":"GOVZ","expiration":"*","start_date":"2026-08-25","end_date":"2026-08-25","strike_range":20,"format":"json"},"source_hash":"f220be9f38bede13dad8a8512b8a5ff8d0ca82ced9c2c539e91631f745518ccf"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"bf2ee26166305f20272aa166fd277a0ba8a09848f6ec231b148a203d475f83a3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ddfbbe58b152af1a51401cf160a749bc90b62f0b595f10faca5ea946b0790bb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"1ad133cf8991fdb0b45117b1cb18566071837a40e13823986abde04e999c6a4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"7f7c03d69da1f32c52efc59f18446cedad506a360d0464a943e56b6fbf5bdda6"}]},{"symbol":"GOVZ","date":"2026-08-26","iv_pct":24.067399912541205,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":26.854208201892742,"put_iv_pct":28.299153846153846},{"expiry":"2026-10-16","call_iv_pct":22.219402654867256,"put_iv_pct":22.1354730713246},{"expiry":"2026-11-20","call_iv_pct":21.47305580159433,"put_iv_pct":25.0251582278481},{"expiry":"2027-02-19","call_iv_pct":21.67554502369668,"put_iv_pct":24.857202472952086}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d36a70628ce819e6d3da2a87c94469405b5946a93c65e6a2d35c3f474aa6d170","captured_at":"2026-10-24T08:38:02.636750+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":"GOVZ","expiration":"*","start_date":"2026-08-26","end_date":"2026-08-26","strike_range":20,"format":"json"},"source_hash":"4d4a0396512e1033f8999befbad51774d767be0f045ee0946cfae375e02dfd79"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"bf2ee26166305f20272aa166fd277a0ba8a09848f6ec231b148a203d475f83a3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ddfbbe58b152af1a51401cf160a749bc90b62f0b595f10faca5ea946b0790bb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"1ad133cf8991fdb0b45117b1cb18566071837a40e13823986abde04e999c6a4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"7f7c03d69da1f32c52efc59f18446cedad506a360d0464a943e56b6fbf5bdda6"}]},{"symbol":"GOVZ","date":"2026-08-27","iv_pct":24.21134633362876,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":29.087043664996415,"put_iv_pct":28.081306240928882},{"expiry":"2026-10-16","call_iv_pct":22.329196360879454,"put_iv_pct":21.048163265306123},{"expiry":"2026-11-20","call_iv_pct":21.530434782608694,"put_iv_pct":25.541330472103002},{"expiry":"2027-02-19","call_iv_pct":21.92871961102107,"put_iv_pct":24.14457627118644}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"cd1a14c3cfee8798cc348e3db6a0960b8841427082a89abb594b8c86397662c0","captured_at":"2026-10-24T08:38:01.114912+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":"GOVZ","expiration":"*","start_date":"2026-08-27","end_date":"2026-08-27","strike_range":20,"format":"json"},"source_hash":"b76432254c7e3e9e931901cf404ebeb80e95ca07d879b67504e3a228dacb3e61"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"bf2ee26166305f20272aa166fd277a0ba8a09848f6ec231b148a203d475f83a3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ddfbbe58b152af1a51401cf160a749bc90b62f0b595f10faca5ea946b0790bb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"1ad133cf8991fdb0b45117b1cb18566071837a40e13823986abde04e999c6a4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"7f7c03d69da1f32c52efc59f18446cedad506a360d0464a943e56b6fbf5bdda6"}]},{"symbol":"GOVZ","date":"2026-08-28","iv_pct":23.106443644898906,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":27.27125813449024,"put_iv_pct":25.22398655139289},{"expiry":"2026-10-16","call_iv_pct":22.095902165196474,"put_iv_pct":19.349101123595506},{"expiry":"2026-11-20","call_iv_pct":21.12563025210084,"put_iv_pct":23.126548418024928},{"expiry":"2027-02-19","call_iv_pct":22.758221153846154,"put_iv_pct":23.900901360544218}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"7477977e0951d0ce39d2953ee47c86971aee9803d5e62c9d6cc4712f6463b7ad","captured_at":"2026-10-24T08:37:59.577068+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":"GOVZ","expiration":"*","start_date":"2026-08-28","end_date":"2026-08-28","strike_range":20,"format":"json"},"source_hash":"89132fcc0a41d7a1d15c4746251f4af41cf882b15e3767e901519bc9fbdc3224"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"bf2ee26166305f20272aa166fd277a0ba8a09848f6ec231b148a203d475f83a3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ddfbbe58b152af1a51401cf160a749bc90b62f0b595f10faca5ea946b0790bb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"1ad133cf8991fdb0b45117b1cb18566071837a40e13823986abde04e999c6a4c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"7f7c03d69da1f32c52efc59f18446cedad506a360d0464a943e56b6fbf5bdda6"}]},{"symbol":"GOVZ","date":"2026-08-31","iv_pct":24.16706855385614,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":28.593893607510058,"put_iv_pct":30.509773727215595},{"expiry":"2026-10-16","call_iv_pct":22.361272333513806,"put_iv_pct":18.772934782608697},{"expiry":"2026-11-20","call_iv_pct":21.47164718384697,"put_iv_pct":24.351346153846155},{"expiry":"2027-02-19","call_iv_pct":22.48132971506106,"put_iv_pct":24.794350927246793}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"292d13774d3f93a44c9a37793834fef38f7bd891013d55333f505e207763c9fa","captured_at":"2026-10-24T08:37:55.736491+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":"GOVZ","expiration":"*","start_date":"2026-08-31","end_date":"2026-08-31","strike_range":20,"format":"json"},"source_hash":"a65edfa46346aa6dd1e1346e2195fe12cb85612bb7f68531c567a04b74ced2ad"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"6c1e1949e4aeb7bc94f7964d85922fd7cdcf8874bcdb827ac48bbeed76e1eec7"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"01126d8c86877f6798c4a018b32a5acf31dec17f5d1cf69ceaa467e9a7b500e0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"8fb475c42a9a573159f9a437ff96597ba6cc46fafdd9c047858217353bf4ca28"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"e160f67dca73b4f267e502c1de2ff539e82e9c439a4dd66fe4252fbe6a7e1187"}]},{"symbol":"GOVZ","date":"2026-09-01","iv_pct":24.318253833692758,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":30.47754810335349,"put_iv_pct":28.59417212347989},{"expiry":"2026-10-16","call_iv_pct":23.955142857142857,"put_iv_pct":19.73354054054054},{"expiry":"2026-11-20","call_iv_pct":22.781802030456852,"put_iv_pct":22.23641666666667},{"expiry":"2027-02-19","call_iv_pct":23.412604316546762,"put_iv_pct":23.354804031354984}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"93e59be18e72ccf14aea4350bb2d24866c840c05188d228789999de8e3373c41","captured_at":"2026-10-24T08:37:53.206457+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":"GOVZ","expiration":"*","start_date":"2026-09-01","end_date":"2026-09-01","strike_range":20,"format":"json"},"source_hash":"cbca0f4f99527a0e02e0f9ac437d06d6ef95ec93d567120e274db03f03d2d108"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2e389ea44956960c4593dfb29f115827fb0e39e3cd8081d2c9bd25caa835ed4a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1364ab497c0234126799d97dbc62f058f489b9c403c0cdc2de8ab6ccdc054394"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6d1c822610c0e00daae92233a3df0679686b15cdede083ee313569122515438c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6bc2c76a2bae7a584ba94df21bb9dde4444504e49e01a3b75bd36656db23fb09"}]},{"symbol":"GOVZ","date":"2026-09-02","iv_pct":24.297841302974156,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":31.5555472901169,"put_iv_pct":25.488644217988476},{"expiry":"2026-10-16","call_iv_pct":23.277717996289425,"put_iv_pct":20.33645577035735},{"expiry":"2026-11-20","call_iv_pct":22.10779376498801,"put_iv_pct":23.749653121902874},{"expiry":"2027-02-19","call_iv_pct":23.34156111929308,"put_iv_pct":24.525357142857143}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"50a9b96899c3fb2bfec5971bafcb07079efb890177fea0fbce0a200593853b1d","captured_at":"2026-10-24T08:37:51.419885+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":"GOVZ","expiration":"*","start_date":"2026-09-02","end_date":"2026-09-02","strike_range":20,"format":"json"},"source_hash":"42bdaae0807c72184f3e35c71cacc6fdc98121be86168475da051fcda38f3de4"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2e389ea44956960c4593dfb29f115827fb0e39e3cd8081d2c9bd25caa835ed4a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1364ab497c0234126799d97dbc62f058f489b9c403c0cdc2de8ab6ccdc054394"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6d1c822610c0e00daae92233a3df0679686b15cdede083ee313569122515438c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6bc2c76a2bae7a584ba94df21bb9dde4444504e49e01a3b75bd36656db23fb09"}]},{"symbol":"GOVZ","date":"2026-09-03","iv_pct":23.832944019589316,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":32.90149003147953,"put_iv_pct":23.79626556016597},{"expiry":"2026-10-16","call_iv_pct":23.90952847519902,"put_iv_pct":19.78307596513076},{"expiry":"2026-11-20","call_iv_pct":21.897035830618893,"put_iv_pct":21.904584120982985},{"expiry":"2027-02-19","call_iv_pct":23.38309899569584,"put_iv_pct":23.08847317744154}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"a0e37383eb029f1918a1bbcbc84910518684c35f6ab7f566efd3ba550ab8aad9","captured_at":"2026-10-24T08:37:49.354698+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":"GOVZ","expiration":"*","start_date":"2026-09-03","end_date":"2026-09-03","strike_range":20,"format":"json"},"source_hash":"785de21123af1aa1f561b0a4d102f907dc9d709c70c5cef8c9a5a9f724f7dacd"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2e389ea44956960c4593dfb29f115827fb0e39e3cd8081d2c9bd25caa835ed4a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1364ab497c0234126799d97dbc62f058f489b9c403c0cdc2de8ab6ccdc054394"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6d1c822610c0e00daae92233a3df0679686b15cdede083ee313569122515438c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6bc2c76a2bae7a584ba94df21bb9dde4444504e49e01a3b75bd36656db23fb09"}]},{"symbol":"GOVZ","date":"2026-09-04","iv_pct":24.48083664699997,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":31.60268870031264,"put_iv_pct":30.4890051457976},{"expiry":"2026-10-16","call_iv_pct":22.64394267171444,"put_iv_pct":19.275245901639344},{"expiry":"2026-11-20","call_iv_pct":21.528048780487804,"put_iv_pct":22.68734530938124},{"expiry":"2027-02-19","call_iv_pct":23.153750000000002,"put_iv_pct":24.46666666666667}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"58c0a7cbd78db518fe016a49df6c99d18837c2d0b7f2bbdaf83d19a6c40b00cd","captured_at":"2026-10-24T08:37:47.507992+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":"GOVZ","expiration":"*","start_date":"2026-09-04","end_date":"2026-09-04","strike_range":20,"format":"json"},"source_hash":"35b91fe99e041bb8e67f8b5af05b38874ae6a552f2f5855b8a090b0ba824f83f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2e389ea44956960c4593dfb29f115827fb0e39e3cd8081d2c9bd25caa835ed4a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"1364ab497c0234126799d97dbc62f058f489b9c403c0cdc2de8ab6ccdc054394"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"6d1c822610c0e00daae92233a3df0679686b15cdede083ee313569122515438c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6bc2c76a2bae7a584ba94df21bb9dde4444504e49e01a3b75bd36656db23fb09"}]},{"symbol":"GOVZ","date":"2026-09-08","iv_pct":25.643551954311583,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":35.501070859872605,"put_iv_pct":35.634646581691776},{"expiry":"2026-10-16","call_iv_pct":22.394698085419737,"put_iv_pct":20.013181494661925},{"expiry":"2026-11-20","call_iv_pct":21.486824925816027,"put_iv_pct":23.565814606741572},{"expiry":"2027-02-19","call_iv_pct":22.72438247011952,"put_iv_pct":23.827796610169493}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"75124558fa3bc93bc700d642512ceff61e1cf0d9c71b463c4216b2e4533ce148","captured_at":"2026-10-24T08:37:42.858329+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":"GOVZ","expiration":"*","start_date":"2026-09-08","end_date":"2026-09-08","strike_range":20,"format":"json"},"source_hash":"b3bd5a0013ce375db1751d833aa400c40683440663af825e19351dce639b37cc"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2a756bf3f3beccd62875e9ceb8373d1b0713fa0fe66ea26ad3f9d7f8656313ad"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d6988a7c9aa7a967739997e077adc0aff71e556fdecee06fba6a4d10e62cdfe3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"62bfeb72f143097af7e971b783078d54bce490098c08f1aec6c1892cc70f0b72"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6977ebeacd062707135908faa8c2cf268aeca4a4f9bd8862327165ff549a4bba"}]},{"symbol":"GOVZ","date":"2026-09-09","iv_pct":26.247018416594468,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":39.49919652551574,"put_iv_pct":35.31090909090909},{"expiry":"2026-10-16","call_iv_pct":23.341604938271605,"put_iv_pct":21.20920148560817},{"expiry":"2026-11-20","call_iv_pct":21.944567901234567,"put_iv_pct":22.396933560477},{"expiry":"2027-02-19","call_iv_pct":22.099736070381233,"put_iv_pct":24.173997760358343}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1daf75c7ba264d032a5544b21c35c598e37aa6079203e91d172b810f4b0a08d4","captured_at":"2026-10-24T08:37:41.282742+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":"GOVZ","expiration":"*","start_date":"2026-09-09","end_date":"2026-09-09","strike_range":20,"format":"json"},"source_hash":"a19e192cf9bb224f5ad5f43b045feff1b5cbeaf8f8c3dd75aca388cb7218f156"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2a756bf3f3beccd62875e9ceb8373d1b0713fa0fe66ea26ad3f9d7f8656313ad"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d6988a7c9aa7a967739997e077adc0aff71e556fdecee06fba6a4d10e62cdfe3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"62bfeb72f143097af7e971b783078d54bce490098c08f1aec6c1892cc70f0b72"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6977ebeacd062707135908faa8c2cf268aeca4a4f9bd8862327165ff549a4bba"}]},{"symbol":"GOVZ","date":"2026-09-10","iv_pct":28.449082304384206,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":42.879847735059,"put_iv_pct":38.25164948453609},{"expiry":"2026-10-16","call_iv_pct":25.34413680781759,"put_iv_pct":24.470172413793104},{"expiry":"2026-11-20","call_iv_pct":23.444840579710142,"put_iv_pct":24.57344986200552},{"expiry":"2027-02-19","call_iv_pct":21.851522277227723,"put_iv_pct":26.777039274924476}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"25b1e12762a2b4bca6150b13a7d8adb8d70f1f45959fca3e53430b11053b5ea2","captured_at":"2026-10-24T08:37:39.761096+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":"GOVZ","expiration":"*","start_date":"2026-09-10","end_date":"2026-09-10","strike_range":20,"format":"json"},"source_hash":"0f3050a6325e01fc557bc6a204f87dd1e411a0a22d517c1a1476d9462529f1a0"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2a756bf3f3beccd62875e9ceb8373d1b0713fa0fe66ea26ad3f9d7f8656313ad"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d6988a7c9aa7a967739997e077adc0aff71e556fdecee06fba6a4d10e62cdfe3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"62bfeb72f143097af7e971b783078d54bce490098c08f1aec6c1892cc70f0b72"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6977ebeacd062707135908faa8c2cf268aeca4a4f9bd8862327165ff549a4bba"}]},{"symbol":"GOVZ","date":"2026-09-11","iv_pct":28.473628955341294,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":44.919173036831126,"put_iv_pct":38.17200733272227},{"expiry":"2026-10-16","call_iv_pct":24.568862094951015,"put_iv_pct":24.1768098510882},{"expiry":"2026-11-20","call_iv_pct":22.850671573137078,"put_iv_pct":23.68835684647303},{"expiry":"2027-02-19","call_iv_pct":23.458981723237596,"put_iv_pct":25.95416918429003}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"329e357826ca86504df062cdeb0656ad047e1efedd62ee621ed5ac77a8ce0105","captured_at":"2026-10-24T08:37:37.804155+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":"GOVZ","expiration":"*","start_date":"2026-09-11","end_date":"2026-09-11","strike_range":20,"format":"json"},"source_hash":"b555333572aed0dee25f4b13cf7bcaafeb121b16d81429e56b692d4db013b41f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2a756bf3f3beccd62875e9ceb8373d1b0713fa0fe66ea26ad3f9d7f8656313ad"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d6988a7c9aa7a967739997e077adc0aff71e556fdecee06fba6a4d10e62cdfe3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"62bfeb72f143097af7e971b783078d54bce490098c08f1aec6c1892cc70f0b72"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6977ebeacd062707135908faa8c2cf268aeca4a4f9bd8862327165ff549a4bba"}]},{"symbol":"GOVZ","date":"2026-09-14","iv_pct":30.411922308556427,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":48.79107939339875,"put_iv_pct":54.36040618260244},{"expiry":"2026-10-16","call_iv_pct":23.790232558139536,"put_iv_pct":24.577793887147333},{"expiry":"2026-11-20","call_iv_pct":22.173544093178037,"put_iv_pct":25.51936305732484},{"expiry":"2027-02-19","call_iv_pct":21.920330188679245,"put_iv_pct":22.16262910798122}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"94520ff28724ea7fa7919df9825af6e405ad6b34030bf50ac82e624d2bfb4b86","captured_at":"2026-10-24T08:37:36.343823+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":"GOVZ","expiration":"*","start_date":"2026-09-14","end_date":"2026-09-14","strike_range":20,"format":"json"},"source_hash":"7878358e4efb1138d83fd4c2a6bafeb34bd390d19086730cf348fb000a58aad8"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2a756bf3f3beccd62875e9ceb8373d1b0713fa0fe66ea26ad3f9d7f8656313ad"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d6988a7c9aa7a967739997e077adc0aff71e556fdecee06fba6a4d10e62cdfe3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","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":"62bfeb72f143097af7e971b783078d54bce490098c08f1aec6c1892cc70f0b72"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6977ebeacd062707135908faa8c2cf268aeca4a4f9bd8862327165ff549a4bba"}]},{"symbol":"GOVZ","date":"2026-09-15","iv_pct":34.4291809494585,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":65.2203581661891,"put_iv_pct":62.458068773879816},{"expiry":"2026-10-16","call_iv_pct":25.903753943217666,"put_iv_pct":27.27560838637214},{"expiry":"2026-11-20","call_iv_pct":23.22841766329347,"put_iv_pct":25.933636363636364},{"expiry":"2027-02-19","call_iv_pct":21.890615942028983,"put_iv_pct":23.522988357050455}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"5805f17e45ac694824a678294ba6c885aea1ed01d7acb2c0de15761969ae3acb","captured_at":"2026-10-24T08:37:30.620127+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":"GOVZ","expiration":"*","start_date":"2026-09-15","end_date":"2026-09-15","strike_range":20,"format":"json"},"source_hash":"3ab41cba3c9385b8f254866d30f0c39f1e634ca0a4a1311e3d5f8a07d207fc91"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ae545144fee85568c84d6108c1329a0baad18c87b6c2c5b88a95b17cc8a970d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d90697f6cec09b140e6d4daaa6a81a01bb10a9109e7d6f15cbeb0dc7bb9f99cd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"5a93d80027b0ca87b01dc6175226b6cd41614d5a25e302507a4d767a75ca9a28"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"a043dd2d02ddf40b500537563e308764bbaf310a8d2ce2c79f3387c014769ff6"}]},{"symbol":"GOVZ","date":"2026-09-16","iv_pct":37.43356674521438,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":82.86067650676506,"put_iv_pct":70.09628923766816},{"expiry":"2026-10-16","call_iv_pct":26.531363004172466,"put_iv_pct":24.2245806906272},{"expiry":"2026-11-20","call_iv_pct":23.712000000000003,"put_iv_pct":24.54112340425532},{"expiry":"2027-02-19","call_iv_pct":22.284862681744748,"put_iv_pct":25.217638436482087}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"4dab8cc3f3a393787b8743fb7c9d579ffe573e1dde2fda0d82a3272430f49ff1","captured_at":"2026-10-24T08:37:28.882679+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":"GOVZ","expiration":"*","start_date":"2026-09-16","end_date":"2026-09-16","strike_range":20,"format":"json"},"source_hash":"3ce28d45200b8e57034331ce37a985598e77f6de2fa656f9cdc64ac3b06e156f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ae545144fee85568c84d6108c1329a0baad18c87b6c2c5b88a95b17cc8a970d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d90697f6cec09b140e6d4daaa6a81a01bb10a9109e7d6f15cbeb0dc7bb9f99cd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"5a93d80027b0ca87b01dc6175226b6cd41614d5a25e302507a4d767a75ca9a28"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"a043dd2d02ddf40b500537563e308764bbaf310a8d2ce2c79f3387c014769ff6"}]},{"symbol":"GOVZ","date":"2026-09-17","iv_pct":43.09924242091581,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-09-18","call_iv_pct":98.40729285474674,"put_iv_pct":105.37635193133048},{"expiry":"2026-10-16","call_iv_pct":23.800575354229284,"put_iv_pct":22.732295081967212},{"expiry":"2026-11-20","call_iv_pct":21.561097208854665,"put_iv_pct":24.131992263056095},{"expiry":"2027-02-19","call_iv_pct":21.40205289672544,"put_iv_pct":27.38228177641654}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"890162939a4a57aa64d66fec7e71230afdfee6c1b2a7667398d3b48fb512a93f","captured_at":"2026-10-24T08:37:27.244701+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":"GOVZ","expiration":"*","start_date":"2026-09-17","end_date":"2026-09-17","strike_range":20,"format":"json"},"source_hash":"26367cb56144b2c5d3c50ab88e32af9b6fb9fd6b371ef089bd81ac9b1e9c3d65"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4ae545144fee85568c84d6108c1329a0baad18c87b6c2c5b88a95b17cc8a970d"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d90697f6cec09b140e6d4daaa6a81a01bb10a9109e7d6f15cbeb0dc7bb9f99cd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"5a93d80027b0ca87b01dc6175226b6cd41614d5a25e302507a4d767a75ca9a28"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"a043dd2d02ddf40b500537563e308764bbaf310a8d2ce2c79f3387c014769ff6"}]},{"symbol":"GOVZ","date":"2026-09-18","iv_pct":23.844911951180343,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":25.97565704183854,"put_iv_pct":23.434495192307693},{"expiry":"2026-11-20","call_iv_pct":22.545309932785663,"put_iv_pct":23.42832628909552},{"expiry":"2027-02-19","call_iv_pct":22.694656160458454,"put_iv_pct":25.303652173913044},{"expiry":"2027-05-21","call_iv_pct":20.6662573964497,"put_iv_pct":26.710941422594143}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"dce22cfc0824bc2d0ae84c9242fc882e873b434f0e93a43c2441b7b61b0c74cd","captured_at":"2026-10-24T08:37:25.423647+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":"GOVZ","expiration":"*","start_date":"2026-09-18","end_date":"2026-09-18","strike_range":20,"format":"json"},"source_hash":"ebe58454aa4bdc206b53edbd2f24471d1091548e8e322927b38d73f005ad447c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d90697f6cec09b140e6d4daaa6a81a01bb10a9109e7d6f15cbeb0dc7bb9f99cd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"5a93d80027b0ca87b01dc6175226b6cd41614d5a25e302507a4d767a75ca9a28"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"a043dd2d02ddf40b500537563e308764bbaf310a8d2ce2c79f3387c014769ff6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"316c99228b9442b7255d9f7a0b32e0079599bbcdb389ede0543c81a235796c4a"}]},{"symbol":"GOVZ","date":"2026-09-21","iv_pct":23.314834298709496,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":25.35162316476346,"put_iv_pct":24.371174863387974},{"expiry":"2026-11-20","call_iv_pct":21.141073703366697,"put_iv_pct":23.466299745977988},{"expiry":"2027-02-19","call_iv_pct":20.966257449344457,"put_iv_pct":26.02621776504298},{"expiry":"2027-05-21","call_iv_pct":18.86878787878788,"put_iv_pct":26.32723981900452}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1ba65d9b8fb1f9ac342e46374d1f2ab1fbc1f3462e527a5cba36878a6ab89991","captured_at":"2026-10-24T08:37:23.652959+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":"GOVZ","expiration":"*","start_date":"2026-09-21","end_date":"2026-09-21","strike_range":20,"format":"json"},"source_hash":"d396cd4deb756758c45bc60aa033495b3306ca13137c3ccac1b6c1c7f64da69f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"d90697f6cec09b140e6d4daaa6a81a01bb10a9109e7d6f15cbeb0dc7bb9f99cd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"5a93d80027b0ca87b01dc6175226b6cd41614d5a25e302507a4d767a75ca9a28"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"a043dd2d02ddf40b500537563e308764bbaf310a8d2ce2c79f3387c014769ff6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"316c99228b9442b7255d9f7a0b32e0079599bbcdb389ede0543c81a235796c4a"}]},{"symbol":"GOVZ","date":"2026-09-22","iv_pct":22.67811963254467,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":23.728953341740226,"put_iv_pct":22.59714953271028},{"expiry":"2026-11-20","call_iv_pct":21.27688141923436,"put_iv_pct":22.807001675041878},{"expiry":"2027-02-19","call_iv_pct":20.509756662804172,"put_iv_pct":25.147048748353097},{"expiry":"2027-05-21","call_iv_pct":19.09,"put_iv_pct":26.26816568047337}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"76191f7803f40ab55fb5b267dd5392a6e3ac61d672b0303068cab84d3854a48f","captured_at":"2026-10-24T08:37:18.297109+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":"GOVZ","expiration":"*","start_date":"2026-09-22","end_date":"2026-09-22","strike_range":20,"format":"json"},"source_hash":"e990af533bf70503546087542a879df1e4ab9218ffff9362621ea9beb0b5bb9e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"48b053f77cd81e4b513900bfe2dc17475626131816cdb8eef222ce014a131146"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"12590c11a8868f17fe58daba76fac44e004d2103b8fb9748185846aafef81d30"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"5fa522127280799028c26902c463b86d69ef7bcc3230741b0c75fe9020b9ab71"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"f64b54b7cbc9635b1f99ae4fad183d643a89e9b5f820a7a93620d03d1693ec20"}]},{"symbol":"GOVZ","date":"2026-09-23","iv_pct":24.515915655648524,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":27.848402366863912,"put_iv_pct":33.33478991596638},{"expiry":"2026-11-20","call_iv_pct":22.389129692832764,"put_iv_pct":23.17983903420523},{"expiry":"2027-02-19","call_iv_pct":21.51329084588644,"put_iv_pct":23.00437652811736},{"expiry":"2027-05-21","call_iv_pct":21.37716814159292,"put_iv_pct":23.480328719723182}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d6b09259645d913d305c5c87b9c09c37ea5aa16ce0fb73fb7c0c64292d856113","captured_at":"2026-10-24T08:37:16.826307+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":"GOVZ","expiration":"*","start_date":"2026-09-23","end_date":"2026-09-23","strike_range":20,"format":"json"},"source_hash":"a6aaadeacb5a2915b8405125155210ff290ef32c300d2b63782f93142b2fdfb2"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"48b053f77cd81e4b513900bfe2dc17475626131816cdb8eef222ce014a131146"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"12590c11a8868f17fe58daba76fac44e004d2103b8fb9748185846aafef81d30"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"5fa522127280799028c26902c463b86d69ef7bcc3230741b0c75fe9020b9ab71"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"f64b54b7cbc9635b1f99ae4fad183d643a89e9b5f820a7a93620d03d1693ec20"}]},{"symbol":"GOVZ","date":"2026-09-24","iv_pct":24.060199706405164,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":30.647832167832167,"put_iv_pct":26.317275528169016},{"expiry":"2026-11-20","call_iv_pct":24.29412451361868,"put_iv_pct":22.561755888650964},{"expiry":"2027-02-19","call_iv_pct":22.643935742971887,"put_iv_pct":20.804305555555555},{"expiry":"2027-05-21","call_iv_pct":22.116848874598073,"put_iv_pct":23.095519379844962}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"6b7532def711055efe548f23fdd13f086c0cabad16e7f46b6c3c6066ffa62c30","captured_at":"2026-10-24T08:37:15.314226+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":"GOVZ","expiration":"*","start_date":"2026-09-24","end_date":"2026-09-24","strike_range":20,"format":"json"},"source_hash":"f71a63d3340ab020b98c9bef177a9bea97444339744c886c5dcb84e54ccab223"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"48b053f77cd81e4b513900bfe2dc17475626131816cdb8eef222ce014a131146"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"12590c11a8868f17fe58daba76fac44e004d2103b8fb9748185846aafef81d30"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"5fa522127280799028c26902c463b86d69ef7bcc3230741b0c75fe9020b9ab71"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"f64b54b7cbc9635b1f99ae4fad183d643a89e9b5f820a7a93620d03d1693ec20"}]},{"symbol":"GOVZ","date":"2026-09-25","iv_pct":24.280699972626945,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":29.506224010731053,"put_iv_pct":20.026172839506174},{"expiry":"2026-11-20","call_iv_pct":24.369785301403798,"put_iv_pct":28.147019748653502},{"expiry":"2027-02-19","call_iv_pct":21.47093625498008,"put_iv_pct":26.3495295404814},{"expiry":"2027-05-21","call_iv_pct":19.13866464339909,"put_iv_pct":25.237267441860467}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"512797cdfb61adb9e14bc63d9008224946981c7735e480e5560f31e57d5bb7a9","captured_at":"2026-10-24T08:37:13.848397+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":"GOVZ","expiration":"*","start_date":"2026-09-25","end_date":"2026-09-25","strike_range":20,"format":"json"},"source_hash":"d5c34eb284813dac7ae8a53bfac46d632d7ccbf1e9c2bc8563abda9c780f5e23"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"48b053f77cd81e4b513900bfe2dc17475626131816cdb8eef222ce014a131146"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"12590c11a8868f17fe58daba76fac44e004d2103b8fb9748185846aafef81d30"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"5fa522127280799028c26902c463b86d69ef7bcc3230741b0c75fe9020b9ab71"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"f64b54b7cbc9635b1f99ae4fad183d643a89e9b5f820a7a93620d03d1693ec20"}]},{"symbol":"GOVZ","date":"2026-09-28","iv_pct":26.89624636889636,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":33.01566528066529,"put_iv_pct":34.90642439974043},{"expiry":"2026-11-20","call_iv_pct":25.137698574338092,"put_iv_pct":27.38833183047791},{"expiry":"2027-02-19","call_iv_pct":20.106753069577078,"put_iv_pct":26.220971922246218},{"expiry":"2027-05-21","call_iv_pct":20.411818181818184,"put_iv_pct":27.982307692307696}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"5aa6f37517ee8bf2a13349caff04dce4fe1b4d1608b2df9491eac88785d22558","captured_at":"2026-10-24T08:37:12.316220+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":"GOVZ","expiration":"*","start_date":"2026-09-28","end_date":"2026-09-28","strike_range":20,"format":"json"},"source_hash":"4a009ce109ced72b68e693faa69880103afae0943ad0c21d5c5d75cfe2ed01e2"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"48b053f77cd81e4b513900bfe2dc17475626131816cdb8eef222ce014a131146"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"12590c11a8868f17fe58daba76fac44e004d2103b8fb9748185846aafef81d30"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"5fa522127280799028c26902c463b86d69ef7bcc3230741b0c75fe9020b9ab71"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"f64b54b7cbc9635b1f99ae4fad183d643a89e9b5f820a7a93620d03d1693ec20"}]},{"symbol":"GOVZ","date":"2026-09-29","iv_pct":26.382944594015978,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":29.499676757311445,"put_iv_pct":34.91089906232763},{"expiry":"2026-11-20","call_iv_pct":25.66030888030888,"put_iv_pct":28.8066295025729},{"expiry":"2027-02-19","call_iv_pct":17.539818529130848,"put_iv_pct":27.147279151943465},{"expiry":"2027-05-21","call_iv_pct":20.7773893129771,"put_iv_pct":26.721555555555554}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"70c225d5f5d51b897b3c1c59c59146b0204afb8294150ae712665b56fb6abb5c","captured_at":"2026-10-24T08:37:07.694402+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":"GOVZ","expiration":"*","start_date":"2026-09-29","end_date":"2026-09-29","strike_range":20,"format":"json"},"source_hash":"9df03510f3f5a568f6bf5d6674420647c50d6156d8524c6e56a967a65fe4579c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4590961a510fc145121c854bd8d730d1ac4b4ed5bf1532460161ffdff7b7ef89"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"fde4add769ba8b47d2cf6123e7f63289c0c86d01ceed06c7fa46beb5b6e75be6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6145646d0632711e11027b0ab490db3d2f6e51bc8767fd36b302bb4aa1140e7b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"7455f5303985c408dbb0ef9be9aedbd69f1531e78623e56ad6c91f1306da854a"}]},{"symbol":"GOVZ","date":"2026-09-30","iv_pct":27.443439367436696,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":35.920512820512826,"put_iv_pct":36.520721649484535},{"expiry":"2026-11-20","call_iv_pct":26.994701492537317,"put_iv_pct":28.69616888888889},{"expiry":"2027-02-19","call_iv_pct":20.53292661361627,"put_iv_pct":25.61847775175644},{"expiry":"2027-05-21","call_iv_pct":20.777597955706987,"put_iv_pct":24.48640776699029}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"002d62ecda2cb7b55e5ffa9bd36ae9f02fac31b45a829848a308eeb5b80b56cb","captured_at":"2026-10-24T08:37:06.123137+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":"GOVZ","expiration":"*","start_date":"2026-09-30","end_date":"2026-09-30","strike_range":20,"format":"json"},"source_hash":"f19e3ffe636382340d636fd7cfe353baaacc3f98ac3d899979b76e538f350841"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4590961a510fc145121c854bd8d730d1ac4b4ed5bf1532460161ffdff7b7ef89"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"fde4add769ba8b47d2cf6123e7f63289c0c86d01ceed06c7fa46beb5b6e75be6"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"6145646d0632711e11027b0ab490db3d2f6e51bc8767fd36b302bb4aa1140e7b"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"7455f5303985c408dbb0ef9be9aedbd69f1531e78623e56ad6c91f1306da854a"}]},{"symbol":"GOVZ","date":"2026-10-01","iv_pct":27.191843348876723,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":34.44958916900093,"put_iv_pct":35.29964618249535},{"expiry":"2026-11-20","call_iv_pct":26.163486590038314,"put_iv_pct":30.3812676056338},{"expiry":"2027-02-19","call_iv_pct":21.026511627906977,"put_iv_pct":28.473707571801572},{"expiry":"2027-05-21","call_iv_pct":20.0451269035533,"put_iv_pct":21.695411140583555}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"5957e672e0a41c1fc5979902d59de61b378a61a4d478285047296515c0f8542d","captured_at":"2026-10-24T08:37:03.112565+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":"GOVZ","expiration":"*","start_date":"2026-10-01","end_date":"2026-10-01","strike_range":20,"format":"json"},"source_hash":"8ccff1506c9dd2f490bb027c367e1d24876c100bc87edc361e0230fbb0869907"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2eacb2d04ce04768eb41cd47ca3ab1568b6e69b13ed5d5e1c89e20550ed6117c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"f9c023d4f071dfffe8e1f7335b5c0ec33314d35f3bd6dd59ad25e1386355abb3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"02ba91a0764733755c4c7803064d8b7599cb051c1b3565daca3727a34a8c8c54"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"4720a9b1e2d52520fafd24c7198582a275cec574bb55b3b4ab95508d3eec95f1"}]},{"symbol":"GOVZ","date":"2026-10-02","iv_pct":26.978462375066204,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":38.22776907001045,"put_iv_pct":32.01846655791191},{"expiry":"2026-11-20","call_iv_pct":27.779999999999998,"put_iv_pct":26.12678601165695},{"expiry":"2027-02-19","call_iv_pct":21.42718322698268,"put_iv_pct":27.120788436268068},{"expiry":"2027-05-21","call_iv_pct":20.2633676092545,"put_iv_pct":22.86333808844508}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"56fb37854bd0a8c521f9223443c5000599ee948fdd9a5eda467d91ca70f93600","captured_at":"2026-10-24T08:37:01.600144+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":"GOVZ","expiration":"*","start_date":"2026-10-02","end_date":"2026-10-02","strike_range":20,"format":"json"},"source_hash":"bb3630eb6b5247cfb5c915f07100fae1262ddf802d38106a82dcf462ecccb9b6"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2eacb2d04ce04768eb41cd47ca3ab1568b6e69b13ed5d5e1c89e20550ed6117c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"f9c023d4f071dfffe8e1f7335b5c0ec33314d35f3bd6dd59ad25e1386355abb3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"02ba91a0764733755c4c7803064d8b7599cb051c1b3565daca3727a34a8c8c54"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"4720a9b1e2d52520fafd24c7198582a275cec574bb55b3b4ab95508d3eec95f1"}]},{"symbol":"GOVZ","date":"2026-10-05","iv_pct":30.779535834298706,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":36.828977673325504,"put_iv_pct":48.81432432432432},{"expiry":"2026-11-20","call_iv_pct":31.39532883642496,"put_iv_pct":30.192997522708502},{"expiry":"2027-02-19","call_iv_pct":23.39694300518135,"put_iv_pct":28.55968515742129},{"expiry":"2027-05-21","call_iv_pct":21.617411598302688,"put_iv_pct":25.430618556701035}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"8447d596a770afd20d41a77e47c5e72bea150e3f4ede20d559707a96896daba4","captured_at":"2026-10-24T08:36:59.917554+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":"GOVZ","expiration":"*","start_date":"2026-10-05","end_date":"2026-10-05","strike_range":20,"format":"json"},"source_hash":"1da5f60f1996da6fc2076da89e0b48fc05ff5be5c52a4d09b8f5911c8d073846"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2eacb2d04ce04768eb41cd47ca3ab1568b6e69b13ed5d5e1c89e20550ed6117c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"f9c023d4f071dfffe8e1f7335b5c0ec33314d35f3bd6dd59ad25e1386355abb3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"02ba91a0764733755c4c7803064d8b7599cb051c1b3565daca3727a34a8c8c54"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"4720a9b1e2d52520fafd24c7198582a275cec574bb55b3b4ab95508d3eec95f1"}]},{"symbol":"GOVZ","date":"2026-10-06","iv_pct":28.900868655492907,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":41.710323076923075,"put_iv_pct":39.49497872340426},{"expiry":"2026-11-20","call_iv_pct":26.46047193877551,"put_iv_pct":26.18016751638747},{"expiry":"2027-02-19","call_iv_pct":23.167363872082973,"put_iv_pct":27.924591836734695},{"expiry":"2027-05-21","call_iv_pct":21.7908,"put_iv_pct":24.478252279635257}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1bc8b9da7b64c3ff6a4bfd86f8dda6b8ff47bfa2e94b22f047ee275aae76182e","captured_at":"2026-10-24T08:36:58.214650+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":"GOVZ","expiration":"*","start_date":"2026-10-06","end_date":"2026-10-06","strike_range":20,"format":"json"},"source_hash":"a14ceda6b37502bd6578074c0ec015bf5e34b05fce17cc1d762f22bc2ea3070c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2eacb2d04ce04768eb41cd47ca3ab1568b6e69b13ed5d5e1c89e20550ed6117c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"f9c023d4f071dfffe8e1f7335b5c0ec33314d35f3bd6dd59ad25e1386355abb3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"02ba91a0764733755c4c7803064d8b7599cb051c1b3565daca3727a34a8c8c54"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"4720a9b1e2d52520fafd24c7198582a275cec574bb55b3b4ab95508d3eec95f1"}]},{"symbol":"GOVZ","date":"2026-10-07","iv_pct":30.536250436340023,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":40.983604590506,"put_iv_pct":42.63467110741049},{"expiry":"2026-11-20","call_iv_pct":25.258613333333336,"put_iv_pct":29.438227060653187},{"expiry":"2027-02-19","call_iv_pct":23.14858752166378,"put_iv_pct":31.106167664670657},{"expiry":"2027-05-21","call_iv_pct":22.534664586583464,"put_iv_pct":29.185467625899282}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"8dbb02e2ad51ed1e80c663cdd138c0a173b35fcfddbb08f5512f5c6cd6161034","captured_at":"2026-10-24T08:36:56.675105+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":"GOVZ","expiration":"*","start_date":"2026-10-07","end_date":"2026-10-07","strike_range":20,"format":"json"},"source_hash":"fdabf3073c0e6903d4105c9b801a58aeb80e987844468536457aafcb44074757"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"2eacb2d04ce04768eb41cd47ca3ab1568b6e69b13ed5d5e1c89e20550ed6117c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"f9c023d4f071dfffe8e1f7335b5c0ec33314d35f3bd6dd59ad25e1386355abb3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"02ba91a0764733755c4c7803064d8b7599cb051c1b3565daca3727a34a8c8c54"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"4720a9b1e2d52520fafd24c7198582a275cec574bb55b3b4ab95508d3eec95f1"}]},{"symbol":"GOVZ","date":"2026-10-08","iv_pct":27.447561072705785,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":40.26273594909862,"put_iv_pct":29.118647564469924},{"expiry":"2026-11-20","call_iv_pct":24.402925,"put_iv_pct":27.767861635220125},{"expiry":"2027-02-19","call_iv_pct":20.025499533146593,"put_iv_pct":30.727213114754097},{"expiry":"2027-05-21","call_iv_pct":20.444054982817867,"put_iv_pct":26.831550802139038}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"df6b5375feadf6173fd3f91ad4d20908fc66450f06b8444bee05033c4d9aa6ac","captured_at":"2026-10-24T08:36:51.541260+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":"GOVZ","expiration":"*","start_date":"2026-10-08","end_date":"2026-10-08","strike_range":20,"format":"json"},"source_hash":"e7b37deec14e2f4d832e4bdab041920c2a01a4329626c0d38f7b66db40df642c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"8e91bf1be5e54ebf3dd51f6669a0204f179f92c23b0f7364317fbd7dce246f08"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"08e595fa25e4fbabc03015c73c0bd7603ec204b559d7d80cb6f79057095de57a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"db195f4f2ede48619e5bc7166a509d2ca19c8f1f6ab62896975cde186baac205"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"26f81742305a36c58fd4d9801a56e80d33bd0d11cdce5013dc5e0b973d6389a2"}]},{"symbol":"GOVZ","date":"2026-10-09","iv_pct":30.323675807577068,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":42.349767441860465,"put_iv_pct":43.82609203296703},{"expiry":"2026-11-20","call_iv_pct":25.437130570758406,"put_iv_pct":27.163457943925234},{"expiry":"2027-02-19","call_iv_pct":19.46236866359447,"put_iv_pct":35.56942013129103},{"expiry":"2027-05-21","call_iv_pct":20.873752093802345,"put_iv_pct":27.907417582417583}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"243c7b12df718e2f6867ea36a5a2e4d525c9562a0a19a15ae6832e4451b8d494","captured_at":"2026-10-24T08:36:50.012939+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":"GOVZ","expiration":"*","start_date":"2026-10-09","end_date":"2026-10-09","strike_range":20,"format":"json"},"source_hash":"1fec71bc4e16b6a462b579d0fe5e3a9a348aefc1675c15c4050a70fdcd7139fc"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"8e91bf1be5e54ebf3dd51f6669a0204f179f92c23b0f7364317fbd7dce246f08"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"08e595fa25e4fbabc03015c73c0bd7603ec204b559d7d80cb6f79057095de57a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"db195f4f2ede48619e5bc7166a509d2ca19c8f1f6ab62896975cde186baac205"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"26f81742305a36c58fd4d9801a56e80d33bd0d11cdce5013dc5e0b973d6389a2"}]},{"symbol":"GOVZ","date":"2026-10-12","iv_pct":34.15859669057021,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":58.41323144104804,"put_iv_pct":59.11604407919313},{"expiry":"2026-11-20","call_iv_pct":26.530243161094226,"put_iv_pct":27.98706241519674},{"expiry":"2027-02-19","call_iv_pct":19.66542750929368,"put_iv_pct":35.540094240837696},{"expiry":"2027-05-21","call_iv_pct":21.51111111111111,"put_iv_pct":24.505559566787007}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"2740b6f6ea9cb07046253b35449fa28f2d8d2f388d07f83cd0784f6c98399fd2","captured_at":"2026-10-24T08:36:48.189197+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":"GOVZ","expiration":"*","start_date":"2026-10-12","end_date":"2026-10-12","strike_range":20,"format":"json"},"source_hash":"17404ff98ac8a1b3763e95ab0d2005c47768a509111e134ebe247ba882f3d567"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"8e91bf1be5e54ebf3dd51f6669a0204f179f92c23b0f7364317fbd7dce246f08"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"08e595fa25e4fbabc03015c73c0bd7603ec204b559d7d80cb6f79057095de57a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"db195f4f2ede48619e5bc7166a509d2ca19c8f1f6ab62896975cde186baac205"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"26f81742305a36c58fd4d9801a56e80d33bd0d11cdce5013dc5e0b973d6389a2"}]},{"symbol":"GOVZ","date":"2026-10-13","iv_pct":32.805078160876256,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":70.41944295661489,"put_iv_pct":44.676680286006125},{"expiry":"2026-11-20","call_iv_pct":26.51205387205387,"put_iv_pct":22.418699654775605},{"expiry":"2027-02-19","call_iv_pct":19.01939736346516,"put_iv_pct":33.75541247484909},{"expiry":"2027-05-21","call_iv_pct":21.686249999999998,"put_iv_pct":23.952688679245284}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"13c27f79be8fcc524d778455517acf9ca2dd2a5261f648b7806d3bae1afed9e8","captured_at":"2026-10-24T08:36:46.461798+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":"GOVZ","expiration":"*","start_date":"2026-10-13","end_date":"2026-10-13","strike_range":20,"format":"json"},"source_hash":"24ebd300c4b24e755e91f51a514c58f50d8aa2e354cc2ece61b4bda29fe508ae"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"8e91bf1be5e54ebf3dd51f6669a0204f179f92c23b0f7364317fbd7dce246f08"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"08e595fa25e4fbabc03015c73c0bd7603ec204b559d7d80cb6f79057095de57a"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"db195f4f2ede48619e5bc7166a509d2ca19c8f1f6ab62896975cde186baac205"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"26f81742305a36c58fd4d9801a56e80d33bd0d11cdce5013dc5e0b973d6389a2"}]},{"symbol":"GOVZ","date":"2026-10-15","iv_pct":39.69455998501343,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-10-16","call_iv_pct":67.52020973154362,"put_iv_pct":100.13126903553298},{"expiry":"2026-11-20","call_iv_pct":26.336911669890394,"put_iv_pct":24.915914893617025},{"expiry":"2026-12-18","call_iv_pct":23.80935887988209,"put_iv_pct":26.858670520231215},{"expiry":"2027-02-19","call_iv_pct":22.705795314426634,"put_iv_pct":25.278349834983498}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"3241d00be62590500aea09ae936a71d441b16b50f67bba18affe6711008d5ba3","captured_at":"2026-10-24T08:36:38.042081+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":"GOVZ","expiration":"*","start_date":"2026-10-15","end_date":"2026-10-15","strike_range":20,"format":"json"},"source_hash":"68f3aa34d03f32d58f000e279a0eec8ff7d18fee9219db250eae14af284ea147"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"4bca02d7b88827c825713c791261e3edde4915f00f0e04d27d08497f5c17d535"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"041bec377a276fc37c6e240df7e6fd716ca1ccb07b9c26a52070b8cd04c7e2bd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"505a9541fc1018d334e9fe3e3abdb9d3aa231169a2ce6b67c7c52068a8fdc1ed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"4ef258ca14af8ffe4573a0684b4cfee00b833d6dcf9b63763066ed742ba5c26c"}]},{"symbol":"GOVZ","date":"2026-10-16","iv_pct":24.947263855882674,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":25.04125714285714,"put_iv_pct":26.23570224719101},{"expiry":"2026-12-18","call_iv_pct":23.006438356164384,"put_iv_pct":26.501338432122374},{"expiry":"2027-02-19","call_iv_pct":22.13717821782178,"put_iv_pct":27.608821138211383},{"expiry":"2027-05-21","call_iv_pct":22.68562310030395,"put_iv_pct":26.361752212389376}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"886376256dd9eb6a73eee1f7eec5c05ba46f79c1fd2342d523520a0dfbf456b5","captured_at":"2026-10-24T08:36:34.225745+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":"GOVZ","expiration":"*","start_date":"2026-10-16","end_date":"2026-10-16","strike_range":20,"format":"json"},"source_hash":"ca22d999ed5ac1ad6208d18ed1e9d8a4b4f6caed8534e19c43725d5f92c385ac"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"041bec377a276fc37c6e240df7e6fd716ca1ccb07b9c26a52070b8cd04c7e2bd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"505a9541fc1018d334e9fe3e3abdb9d3aa231169a2ce6b67c7c52068a8fdc1ed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"4ef258ca14af8ffe4573a0684b4cfee00b833d6dcf9b63763066ed742ba5c26c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"5aac72ee0a63c07f1defcace5768a427f0a0a7654b98cf2c50fcac92d5f713e5"}]},{"symbol":"GOVZ","date":"2026-10-19","iv_pct":25.778272732003977,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":26.631842650103522,"put_iv_pct":24.28430884904569},{"expiry":"2026-12-18","call_iv_pct":24.05620605069501,"put_iv_pct":27.34713636363636},{"expiry":"2027-02-19","call_iv_pct":22.858190279214064,"put_iv_pct":32.39224852071006},{"expiry":"2027-05-21","call_iv_pct":23.60369982547993,"put_iv_pct":25.052549317147193}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"010332626bbfa988ef90b2521c170a1727d67e8ed9f5aeafd83885d6be1ece7f","captured_at":"2026-10-24T08:36:32.443849+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":"GOVZ","expiration":"*","start_date":"2026-10-19","end_date":"2026-10-19","strike_range":20,"format":"json"},"source_hash":"fb8417961f3b5a9b03e969cb610470feab26054b557aded1440b2d77d000c0f7"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"041bec377a276fc37c6e240df7e6fd716ca1ccb07b9c26a52070b8cd04c7e2bd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"505a9541fc1018d334e9fe3e3abdb9d3aa231169a2ce6b67c7c52068a8fdc1ed"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"4ef258ca14af8ffe4573a0684b4cfee00b833d6dcf9b63763066ed742ba5c26c"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"5aac72ee0a63c07f1defcace5768a427f0a0a7654b98cf2c50fcac92d5f713e5"}]},{"symbol":"GOVZ","date":"2026-10-20","iv_pct":25.08849272248675,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":25.348184995966662,"put_iv_pct":26.169521885521885},{"expiry":"2026-12-18","call_iv_pct":22.94131760078663,"put_iv_pct":27.47366803278688},{"expiry":"2027-02-19","call_iv_pct":22.668297872340425,"put_iv_pct":27.70048620236531},{"expiry":"2027-05-21","call_iv_pct":22.81460227272727,"put_iv_pct":25.59186291739895}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"fe88b8b8fa010f42f5d82e52c0557d1f3b65d0f5e7deefd5b775b671ff9eee4c","captured_at":"2026-10-22T14:33:52.621767+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":"GOVZ","expiration":"*","start_date":"2026-10-20","end_date":"2026-10-20","strike_range":20,"format":"json"},"source_hash":"1cf95830549d37109f000b97dfaf4783777cf145d10187175b2ce5d0fc184697"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"a1e050596f04303400d4b5eac1b7f0f4d6685e00a7e94b8af3d3fbe780737946"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"794f4e878eb0465a88af9bc61abf974f44c3e2ace83fdf36702264d36375a319"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"3625cedddf5f276bf423dd03a386326b352d5af5bfcf0cdbc8f76be4b74664eb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"0239177e41d85aef420f4f77efeab3e2e0032f84a9c59519108439b90d6b1fe9"}]},{"symbol":"GOVZ","date":"2026-10-21","iv_pct":24.53890008304056,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":24.76986355884025,"put_iv_pct":26.243145925457988},{"expiry":"2026-12-18","call_iv_pct":22.798762886597938,"put_iv_pct":27.36035714285714},{"expiry":"2027-02-19","call_iv_pct":21.68942350332594,"put_iv_pct":27.10696335078534},{"expiry":"2027-05-21","call_iv_pct":20.947140255009106,"put_iv_pct":25.39554404145078}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"b4dd0b715ff67f7b4e7442f8da72d318ec088677790107e45d9a0a34ed46b48b","captured_at":"2026-10-22T14:33:51.427360+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":"GOVZ","expiration":"*","start_date":"2026-10-21","end_date":"2026-10-21","strike_range":20,"format":"json"},"source_hash":"4e2742ec14bc5d560efc0d3122dbeb8d0db92b96a1c2c937f831bbdad3d7a947"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"a1e050596f04303400d4b5eac1b7f0f4d6685e00a7e94b8af3d3fbe780737946"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"794f4e878eb0465a88af9bc61abf974f44c3e2ace83fdf36702264d36375a319"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"3625cedddf5f276bf423dd03a386326b352d5af5bfcf0cdbc8f76be4b74664eb"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"0239177e41d85aef420f4f77efeab3e2e0032f84a9c59519108439b90d6b1fe9"}]},{"symbol":"GOVZ","date":"2026-10-22","iv_pct":25.550570063412174,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":26.898373797526336,"put_iv_pct":27.702673031026254},{"expiry":"2026-12-18","call_iv_pct":21.83546889507892,"put_iv_pct":28.841727861771062},{"expiry":"2027-02-19","call_iv_pct":21.000056561085973,"put_iv_pct":28.495432098765434},{"expiry":"2027-05-21","call_iv_pct":21.54441391941392,"put_iv_pct":28.086414342629485}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"d7bb1786cae48316b85a771fed332dc1cbcaba2aac1f08c16d45b5677067843e","captured_at":"2026-10-23T02:14:09.341765+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":"GOVZ","date":"2026-10-22","format":"json"},"source_hash":"c8a95213a3a347a9801d28f85b9a049a4f1b7f0b96cda00d1c4e744697f1ec38"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"c7a86509aa3c5357106c87f6df4c7a95c969d4a7977c24462d2d1b2899791019"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"490a57111eaa69c30d61636c726a64c3c9d45dd03b5899a0c1134dec37c5e245"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"b81612b42fd9b2598a976b043ca4cf39f9b8f17d21c96d55033a5aa36f466460"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"f28a3500fc87ec12ab7d3fde73c577b87292840cd205ea609601adedd22df196"}]},{"symbol":"GOVZ","date":"2026-10-23","iv_pct":24.87204711042584,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":24.935738636363634,"put_iv_pct":26.38903722721438},{"expiry":"2026-12-18","call_iv_pct":22.393109243697477,"put_iv_pct":27.87886654478976},{"expiry":"2027-02-19","call_iv_pct":21.217960602549248,"put_iv_pct":26.676809392265195},{"expiry":"2027-05-21","call_iv_pct":20.925302390998592,"put_iv_pct":28.55955284552845}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"6baf1f6bcecdf8ec532be675ce3946d93a4322e05525bcd418448a083f7846b6","captured_at":"2026-10-24T01:40:31.193547+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":"GOVZ","date":"2026-10-23","format":"json"},"source_hash":"7573793b486a32a6699b6229ddc49a4c91e1d1fb37db4c1e682be5eebdd1286f"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"682dbe345d317d7eac5775f69e84b746f417a169e83a7a2b263188a3585e8639"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"bcaf82ee41b9d3ce0d0775af988fb5ec9c73b9b9630da686b943e94f313238f2"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"c3ddf50390a956a6067e621353e62417ab53cb52adb7599768cbd0ff7d51a765"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"3e689509d81694f5901c8e825de116941d7148ae2fc7ad47eef602907a00103f"}]},{"symbol":"GOVZ","date":"2026-10-26","iv_pct":24.18211613044301,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":24.092737306843265,"put_iv_pct":26.088524813052345},{"expiry":"2026-12-18","call_iv_pct":21.318263112639727,"put_iv_pct":27.9067722165475},{"expiry":"2027-02-19","call_iv_pct":20.122121524201855,"put_iv_pct":27.0969241011984},{"expiry":"2027-05-21","call_iv_pct":19.898174204355108,"put_iv_pct":26.933411764705884}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"0d41ed85eb952f8a62c916e3b6925074b2b6b6db3c92fb84ad8299bd41fc7b31","captured_at":"2026-10-28T17:40:44.457523+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":"ThetaData expiry inventory","endpoint":"option/history/greeks/eod","query":{"symbol":"GOVZ","expiration":"*","start_date":"2026-10-26","end_date":"2026-10-26","strike_range":20,"format":"json"},"source_hash":"3bc3aff7c8e71cd251763d2954d29fedd82851caa813f06290f529bbd4bc68ab"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"7073edc40782febac6bc6de6dab0a0beeafd4791c50147873f50896dfa055533"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"e84523e7a59d18633baa81582380c4796705a509ae30d76f592e45db2441f2f0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"63153c45f1a4338c5962f5b086f3eeba9c8b94fb185d79e9fe157ebd542de8e0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"aa437e61690fe9045ff8cda5d5cf8e9370eed450aa8e67758dd39a2d392c8bca"}]},{"symbol":"GOVZ","date":"2026-10-27","iv_pct":24.081425455536106,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":25.28810283687943,"put_iv_pct":26.412852371409485},{"expiry":"2026-12-18","call_iv_pct":21.435272407732867,"put_iv_pct":26.830143540669855},{"expiry":"2027-02-19","call_iv_pct":20.09764462809917,"put_iv_pct":26.06817258883249},{"expiry":"2027-05-21","call_iv_pct":20.266701708278582,"put_iv_pct":26.25251356238698}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"f6475377b181abe4d977688344a8619cfc27e95bc3c1defba588ffdce4c96a22","captured_at":"2026-10-28T17:40:43.484722+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":"GOVZ","expiration":"*","start_date":"2026-10-27","end_date":"2026-10-27","strike_range":20,"format":"json"},"source_hash":"0527663ab49cf4f33b9d507debb502d26704b86ce47adbc7ad85af23f85bd854"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"7073edc40782febac6bc6de6dab0a0beeafd4791c50147873f50896dfa055533"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"e84523e7a59d18633baa81582380c4796705a509ae30d76f592e45db2441f2f0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"63153c45f1a4338c5962f5b086f3eeba9c8b94fb185d79e9fe157ebd542de8e0"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"aa437e61690fe9045ff8cda5d5cf8e9370eed450aa8e67758dd39a2d392c8bca"}]},{"symbol":"GOVZ","date":"2026-10-28","iv_pct":22.942364728250922,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":23.415056059797116,"put_iv_pct":23.605877387827633},{"expiry":"2026-12-18","call_iv_pct":22.7500434467777,"put_iv_pct":23.90242813918306},{"expiry":"2027-02-19","call_iv_pct":20.476835443037974,"put_iv_pct":24.01114382785957},{"expiry":"2027-05-21","call_iv_pct":20.21923076923077,"put_iv_pct":25.158302752293576}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1823e8cdf9276360dfa6a81466e5c68333e62edf60377c98f3b54f03713d92ac","captured_at":"2026-10-29T17:35:36.279621+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":"GOVZ","expiration":"*","start_date":"2026-10-28","end_date":"2026-10-28","strike_range":20,"format":"json"},"source_hash":"492993b64538300d786afeb9f90097ae2fbcd685229c603249ac845f70f62f7c"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"e790444377e024989ef08b189f45c123414517ad742ea0eb738f91461f65c6c3"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"ea73aafd15c81f77d1211bbdba25c03bd4ca80ebc0018c64fac092e24a7e441f"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"7022830b9c71da2887a3205c71d105eb5b39a12e72489ba6bba78bbe6092e8dd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"e13aad689bc46a0840662a2eefe240e93c55df64d8e50c83c9661740dd8058bb"}]},{"symbol":"GOVZ","date":"2026-10-29","iv_pct":24.081428224918042,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":27.85866927592955,"put_iv_pct":25.419443266171793},{"expiry":"2026-12-18","call_iv_pct":20.905735294117648,"put_iv_pct":25.204257907542576},{"expiry":"2027-02-19","call_iv_pct":19.768878822197056,"put_iv_pct":25.72499366286439},{"expiry":"2027-05-21","call_iv_pct":20.14348360655738,"put_iv_pct":27.62596396396396}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"94543a51119608e281eab9eb5ab45db680c93c128955281e27fbd652771b35e8","captured_at":"2026-10-30T17:47:28.277879+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":"GOVZ","expiration":"*","start_date":"2026-10-29","end_date":"2026-10-29","strike_range":20,"format":"json"},"source_hash":"eae8334f2110e2f764b9115233ded3e9e0076ef3ed59acbe85fc4ce36a80b835"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"539296794854c0ac51dcb6f16ee71a037cd218e7ce6fc58770fed3f0ae4d4126"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","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":"03b9ad7046fc665f07ca82d73b0c998e77f17e724be44f48eb024fd58ee9edfd"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","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":"5427506eee2ea0edda163b613c53e563db6ec354523743f659151c0aa7477223"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","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":"2eb3302e828db3d201b4116c944297f662164ae6c02a8f42e72f5949f8648216"}]},{"symbol":"GOVZ","date":"2026-10-30","iv_pct":24.07306091667455,"model_version":"theta-four-friday-close-50delta-v3","expiries":[{"expiry":"2026-11-20","call_iv_pct":25.74936551724138,"put_iv_pct":26.152562296858072},{"expiry":"2026-12-18","call_iv_pct":21.688121827411166,"put_iv_pct":26.346184210526314},{"expiry":"2027-02-19","call_iv_pct":20.0326091825308,"put_iv_pct":25.452792792792795},{"expiry":"2027-05-21","call_iv_pct":20.421173184357542,"put_iv_pct":26.741678321678318}],"source":"ThetaData historical first-order Greeks","provider_symbol":"GOVZ","calendar_adjustments":[],"calendar_source":"ThetaData on_date and year_holidays","source_hash":"1a4f7946e77a3e08c373acde8a403d5feaeaef4e920aaeb90b6d831509b472e9","captured_at":"2026-11-01T00:46:07.666029+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":"v2_verified_expiry_inventory","source_hash":"9a00938cfb9def4b7ca37c5a7f8ae3220d60dea18b5d493a078313d82a9aac3e"},"source_requests":[{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-11-20","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"d1707d2dbb412100b73f92a92655f106c03d85df4c08a669c88c1f62294dc892"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2026-12-18","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"e118e2506e950f79aaad341ae97239714f7956e6b5e79ba0b966db073aac0bce"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-02-19","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"2cd79dd3fccda59d76c565eee3499c2b6154cfc68afe2ae627964f00cb9b2cae"},{"endpoint":"option/history/greeks/first_order","query":{"symbol":"GOVZ","expiration":"2027-05-21","start_date":"2026-10-29","end_date":"2026-10-30","start_time":"15:59:00","end_time":"15:59:00","interval":"1m","format":"json"},"source_hash":"c4e8c6f32b5940ad7527a2de682a7e5c904f9bf113950237527b76222ab14f80"}]}],"dailyIvModel":"theta-four-friday-close-50delta-v3","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/GOVZ","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":26.541923179138315,"put_call_skew_pp":-1.1979552310877004,"implied_move_pct":10.502139223862125,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"0267099ff50077124568a79e869ae5ce478daeda3967524f212c824b7529b236","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-11","observed_at":"2026-08-11T15:59:00-04:00","iv_pct":25.14860835467169,"put_call_skew_pp":-0.09093973076441397,"implied_move_pct":9.764905298805282,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"fb21a618841e3950a9cb090168d2d6dd7fdff817cfa57c215c32695a3021022d","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-12","observed_at":"2026-08-12T15:59:00-04:00","iv_pct":25.368998670822833,"put_call_skew_pp":0.38242045814494396,"implied_move_pct":9.84907188387105,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f82295ec3333c039b888ac81ac8127f12134e0e539ddb444e70d83285c27682a","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-13","observed_at":"2026-08-13T15:59:00-04:00","iv_pct":25.300864122531827,"put_call_skew_pp":0.24704094546608424,"implied_move_pct":9.669479590166741,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"9771b2975da55581125189e9c9639d2a22e3b608ae541b4d09be51da0f3e7006","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-14","observed_at":"2026-08-14T15:59:00-04:00","iv_pct":26.491639767055222,"put_call_skew_pp":-0.08400171274013601,"implied_move_pct":9.735846663304496,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"fc2c26829411173976417a3811647a2773d1d4e95618e6d2bd18a396e2760c7b","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-17","observed_at":"2026-08-17T15:59:00-04:00","iv_pct":29.493740306674,"put_call_skew_pp":-1.3951046521449069,"implied_move_pct":9.578618928270714,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"e1eaa59b9ea2b0685ec553263593098b85781f8e17de56b35af412116737898e","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-18","observed_at":"2026-08-18T15:59:00-04:00","iv_pct":30.240255741285466,"put_call_skew_pp":1.4852317683041,"implied_move_pct":9.371161970387305,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"52bf80b2173c11dd503df75a5b0c6db711a4c2f1cd3722734d12f9b695b3c001","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-19","observed_at":"2026-08-19T15:59:00-04:00","iv_pct":33.53148509431256,"put_call_skew_pp":2.55833870050201,"implied_move_pct":9.713775435350488,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"baf728727837d3accb703bbf4203281cef0328ed9df259789f80d13f1a65159c","expiries":["2026-08-21","2026-09-18","2026-11-20","2027-02-19"]},{"date":"2026-08-20","observed_at":"2026-08-20T15:59:00-04:00","iv_pct":43.26287014752216,"put_call_skew_pp":-1.2698153848228477,"implied_move_pct":8.021359383639604,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"ffbd9dfe818e61fbca6e39fcbbc4d843e725154dde1a7a030290dfa556822cc1","expiries":["2026-08-21","2026-09-18","2026-10-16","2026-11-20"]},{"date":"2026-08-21","observed_at":"2026-08-21T15:59:00-04:00","iv_pct":23.485052188717702,"put_call_skew_pp":1.534512898502534,"implied_move_pct":10.856697512132492,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f8cb5c0a52ce63283a8d14ea143baa03262216ed3d84fec08081376d29815c45","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-08-24","observed_at":"2026-08-24T15:59:00-04:00","iv_pct":23.482462277715697,"put_call_skew_pp":0.6061254695331728,"implied_move_pct":10.56794537922762,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"96ba5a9aa6dc392bbaf6b9f53b40cea11b84174fb9b513df32c31e741cc2de49","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-08-25","observed_at":"2026-08-25T15:59:00-04:00","iv_pct":23.692780159651917,"put_call_skew_pp":3.236976120980372,"implied_move_pct":10.638523372156293,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"7754f7c80d1044e4592e0e93b2ad438378b2c7202dc01bdd9d71aa72e920fd8a","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-08-26","observed_at":"2026-08-26T15:59:00-04:00","iv_pct":24.067399912541205,"put_call_skew_pp":2.023693984056905,"implied_move_pct":10.671237035394697,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d36a70628ce819e6d3da2a87c94469405b5946a93c65e6a2d35c3f474aa6d170","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-08-27","observed_at":"2026-08-27T15:59:00-04:00","iv_pct":24.21134633362876,"put_call_skew_pp":0.984995457504704,"implied_move_pct":10.596224101160338,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"cd1a14c3cfee8798cc348e3db6a0960b8841427082a89abb594b8c86397662c0","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-08-28","observed_at":"2026-08-28T15:59:00-04:00","iv_pct":23.10644364489891,"put_call_skew_pp":-0.4126185630190413,"implied_move_pct":10.160749664480752,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"7477977e0951d0ce39d2953ee47c86971aee9803d5e62c9d6cc4712f6463b7ad","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-08-31","observed_at":"2026-08-31T15:59:00-04:00","iv_pct":24.16706855385614,"put_call_skew_pp":0.8800656877463364,"implied_move_pct":10.21742049927432,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"292d13774d3f93a44c9a37793834fef38f7bd891013d55333f505e207763c9fa","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-01","observed_at":"2026-09-01T15:59:00-04:00","iv_pct":24.318253833692758,"put_call_skew_pp":-1.677040986364469,"implied_move_pct":10.143426365499892,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"93e59be18e72ccf14aea4350bb2d24866c840c05188d228789999de8e3373c41","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-02","observed_at":"2026-09-02T15:59:00-04:00","iv_pct":24.297841302974156,"put_call_skew_pp":-1.5456274793953924,"implied_move_pct":10.132494980708195,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"50a9b96899c3fb2bfec5971bafcb07079efb890177fea0fbce0a200593853b1d","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-03","observed_at":"2026-09-03T15:59:00-04:00","iv_pct":23.83294401958932,"put_call_skew_pp":-3.379688627318008,"implied_move_pct":9.791720550711025,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"a0e37383eb029f1918a1bbcbc84910518684c35f6ab7f566efd3ba550ab8aad9","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-04","observed_at":"2026-09-04T15:59:00-04:00","iv_pct":24.48083664699997,"put_call_skew_pp":-0.5025417822575093,"implied_move_pct":9.871096699912515,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"58c0a7cbd78db518fe016a49df6c99d18837c2d0b7f2bbdaf83d19a6c40b00cd","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-08","observed_at":"2026-09-08T15:59:00-04:00","iv_pct":25.643551954311583,"put_call_skew_pp":0.23361573800921942,"implied_move_pct":9.598004928680105,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"75124558fa3bc93bc700d642512ceff61e1cf0d9c71b463c4216b2e4533ce148","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-09","observed_at":"2026-09-09T15:59:00-04:00","iv_pct":26.24701841659447,"put_call_skew_pp":-0.948515884512636,"implied_move_pct":9.565279790224176,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1daf75c7ba264d032a5544b21c35c598e37aa6079203e91d172b810f4b0a08d4","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-10","observed_at":"2026-09-10T15:59:00-04:00","iv_pct":28.449082304384206,"put_call_skew_pp":0.13799090886118304,"implied_move_pct":10.150361203240065,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"25b1e12762a2b4bca6150b13a7d8adb8d70f1f45959fca3e53430b11053b5ea2","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-11","observed_at":"2026-09-11T15:59:00-04:00","iv_pct":28.47362895534129,"put_call_skew_pp":-0.9515863033958194,"implied_move_pct":9.97159264796609,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"329e357826ca86504df062cdeb0656ad047e1efedd62ee621ed5ac77a8ce0105","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-14","observed_at":"2026-09-14T15:59:00-04:00","iv_pct":30.411922308556427,"put_call_skew_pp":2.486251500415065,"implied_move_pct":9.316447007800006,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"94520ff28724ea7fa7919df9825af6e405ad6b34030bf50ac82e624d2bfb4b86","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-15","observed_at":"2026-09-15T15:59:00-04:00","iv_pct":34.4291809494585,"put_call_skew_pp":0.736789041552389,"implied_move_pct":9.717053685579119,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"5805f17e45ac694824a678294ba6c885aea1ed01d7acb2c0de15761969ae3acb","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-16","observed_at":"2026-09-16T15:59:00-04:00","iv_pct":37.43356674521438,"put_call_skew_pp":-2.827317605912378,"implied_move_pct":9.658121991287917,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"4dab8cc3f3a393787b8743fb7c9d579ffe573e1dde2fda0d82a3272430f49ff1","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-17","observed_at":"2026-09-17T15:59:00-04:00","iv_pct":43.09924242091581,"put_call_skew_pp":3.6129756845535477,"implied_move_pct":9.335181017679368,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"890162939a4a57aa64d66fec7e71230afdfee6c1b2a7667398d3b48fb512a93f","expiries":["2026-09-18","2026-10-16","2026-11-20","2027-02-19"]},{"date":"2026-09-18","observed_at":"2026-09-18T15:59:00-04:00","iv_pct":23.844911951180343,"put_call_skew_pp":1.7488836365945097,"implied_move_pct":12.842860652736935,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"dce22cfc0824bc2d0ae84c9242fc882e873b434f0e93a43c2441b7b61b0c74cd","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-21","observed_at":"2026-09-21T15:59:00-04:00","iv_pct":23.314834298709496,"put_call_skew_pp":3.465797499287743,"implied_move_pct":12.261453534965803,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1ba65d9b8fb1f9ac342e46374d1f2ab1fbc1f3462e527a5cba36878a6ab89991","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-22","observed_at":"2026-09-22T15:59:00-04:00","iv_pct":22.678119632544675,"put_call_skew_pp":3.0534435531999664,"implied_move_pct":11.96198236675358,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"76191f7803f40ab55fb5b267dd5392a6e3ac61d672b0303068cab84d3854a48f","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-23","observed_at":"2026-09-23T15:59:00-04:00","iv_pct":24.515915655648527,"put_call_skew_pp":2.4678357877090287,"implied_move_pct":12.288428985091274,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d6b09259645d913d305c5c87b9c09c37ea5aa16ce0fb73fb7c0c64292d856113","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-24","observed_at":"2026-09-24T15:59:00-04:00","iv_pct":24.060199706405164,"put_call_skew_pp":-1.7309712367000776,"implied_move_pct":12.090100600517296,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"6b7532def711055efe548f23fdd13f086c0cabad16e7f46b6c3c6066ffa62c30","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-25","observed_at":"2026-09-25T15:59:00-04:00","iv_pct":24.280699972626945,"put_call_skew_pp":1.31859483999688,"implied_move_pct":12.324877353297992,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"512797cdfb61adb9e14bc63d9008224946981c7735e480e5560f31e57d5bb7a9","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-28","observed_at":"2026-09-28T15:59:00-04:00","iv_pct":26.89624636889636,"put_call_skew_pp":4.456525184593403,"implied_move_pct":12.874207717519797,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"5aa6f37517ee8bf2a13349caff04dce4fe1b4d1608b2df9491eac88785d22558","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-29","observed_at":"2026-09-29T15:59:00-04:00","iv_pct":26.382944594015978,"put_call_skew_pp":6.02729244816782,"implied_move_pct":12.55337689560461,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"70c225d5f5d51b897b3c1c59c59146b0204afb8294150ae712665b56fb6abb5c","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-09-30","observed_at":"2026-09-30T15:59:00-04:00","iv_pct":27.443439367436696,"put_call_skew_pp":2.7740092936866896,"implied_move_pct":12.612552125316824,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"002d62ecda2cb7b55e5ffa9bd36ae9f02fac31b45a829848a308eeb5b80b56cb","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-01","observed_at":"2026-10-01T15:59:00-04:00","iv_pct":27.191843348876727,"put_call_skew_pp":3.541329552503689,"implied_move_pct":12.384712194687438,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"5957e672e0a41c1fc5979902d59de61b378a61a4d478285047296515c0f8542d","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-02","observed_at":"2026-10-02T15:59:00-04:00","iv_pct":26.978462375066204,"put_call_skew_pp":0.10776479700859287,"implied_move_pct":12.23137849520235,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"56fb37854bd0a8c521f9223443c5000599ee948fdd9a5eda467d91ca70f93600","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-05","observed_at":"2026-10-05T15:59:00-04:00","iv_pct":30.779535834298706,"put_call_skew_pp":4.939741111980162,"implied_move_pct":13.213928120374613,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"8447d596a770afd20d41a77e47c5e72bea150e3f4ede20d559707a96896daba4","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-06","observed_at":"2026-10-06T15:59:00-04:00","iv_pct":28.900868655492907,"put_call_skew_pp":1.237257867095031,"implied_move_pct":12.445774878087093,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1bc8b9da7b64c3ff6a4bfd86f8dda6b8ff47bfa2e94b22f047ee275aae76182e","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-07","observed_at":"2026-10-07T15:59:00-04:00","iv_pct":30.536250436340023,"put_call_skew_pp":5.10976585663676,"implied_move_pct":13.222264184276693,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"8dbb02e2ad51ed1e80c663cdd138c0a173b35fcfddbb08f5512f5c6cd6161034","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-08","observed_at":"2026-10-08T15:59:00-04:00","iv_pct":27.44756107270578,"put_call_skew_pp":2.327514412880026,"implied_move_pct":12.00183592210465,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"df6b5375feadf6173fd3f91ad4d20908fc66450f06b8444bee05033c4d9aa6ac","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-09","observed_at":"2026-10-09T15:59:00-04:00","iv_pct":30.323675807577068,"put_call_skew_pp":6.585842230146298,"implied_move_pct":12.647073813465845,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"243c7b12df718e2f6867ea36a5a2e4d525c9562a0a19a15ae6832e4451b8d494","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-12","observed_at":"2026-10-12T15:59:00-04:00","iv_pct":34.1585966905702,"put_call_skew_pp":5.2571867698668795,"implied_move_pct":12.355416432348793,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"2740b6f6ea9cb07046253b35449fa28f2d8d2f388d07f83cd0784f6c98399fd2","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-13","observed_at":"2026-10-13T15:59:00-04:00","iv_pct":32.80507816087625,"put_call_skew_pp":-3.208415774314453,"implied_move_pct":11.62468831676441,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"13c27f79be8fcc524d778455517acf9ca2dd2a5261f648b7806d3bae1afed9e8","expiries":["2026-10-16","2026-11-20","2027-02-19","2027-05-21"]},{"date":"2026-10-15","observed_at":"2026-10-15T15:59:00-04:00","iv_pct":39.694559985013434,"put_call_skew_pp":9.202982172155494,"implied_move_pct":9.29587827864032,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"3241d00be62590500aea09ae936a71d441b16b50f67bba18affe6711008d5ba3","expiries":["2026-10-16","2026-11-20","2026-12-18","2027-02-19"]},{"date":"2026-10-16","observed_at":"2026-10-16T15:59:00-04:00","iv_pct":24.947263855882678,"put_call_skew_pp":3.459279303191723,"implied_move_pct":12.932156392566252,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"886376256dd9eb6a73eee1f7eec5c05ba46f79c1fd2342d523520a0dfbf456b5","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-19","observed_at":"2026-10-19T15:59:00-04:00","iv_pct":25.778272732003977,"put_call_skew_pp":2.981576061261693,"implied_move_pct":13.151301791504011,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"010332626bbfa988ef90b2521c170a1727d67e8ed9f5aeafd83885d6be1ece7f","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-20","observed_at":"2026-10-20T15:59:00-04:00","iv_pct":25.08849272248675,"put_call_skew_pp":3.2907840740630085,"implied_move_pct":12.66836920682346,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"fe88b8b8fa010f42f5d82e52c0557d1f3b65d0f5e7deefd5b775b671ff9eee4c","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-21","observed_at":"2026-10-21T15:59:00-04:00","iv_pct":24.53890008304056,"put_call_skew_pp":3.975205064194504,"implied_move_pct":12.250011156674592,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"b4dd0b715ff67f7b4e7442f8da72d318ec088677790107e45d9a0a34ed46b48b","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-22","observed_at":"2026-10-22T15:59:00-04:00","iv_pct":25.550570063412174,"put_call_skew_pp":5.461983540271772,"implied_move_pct":12.68715112050725,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"d7bb1786cae48316b85a771fed332dc1cbcaba2aac1f08c16d45b5677067843e","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-23","observed_at":"2026-10-23T15:59:00-04:00","iv_pct":24.87204711042584,"put_call_skew_pp":5.008038784047209,"implied_move_pct":12.344391311763863,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"6baf1f6bcecdf8ec532be675ce3946d93a4322e05525bcd418448a083f7846b6","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-26","observed_at":"2026-10-26T15:59:00-04:00","iv_pct":24.18211613044301,"put_call_skew_pp":5.648584186866042,"implied_move_pct":11.71822239832077,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"0d41ed85eb952f8a62c916e3b6925074b2b6b6db3c92fb84ad8299bd41fc7b31","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-27","observed_at":"2026-10-27T15:59:00-04:00","iv_pct":24.08142545553611,"put_call_skew_pp":4.618990120577189,"implied_move_pct":11.538059496092005,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"f6475377b181abe4d977688344a8619cfc27e95bc3c1defba588ffdce4c96a22","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-28","observed_at":"2026-10-28T15:59:00-04:00","iv_pct":22.942364728250922,"put_call_skew_pp":2.4541465970800695,"implied_move_pct":11.0102392185245,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1823e8cdf9276360dfa6a81466e5c68333e62edf60377c98f3b54f03713d92ac","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-29","observed_at":"2026-10-29T15:59:00-04:00","iv_pct":24.081428224918042,"put_call_skew_pp":3.824472950435273,"implied_move_pct":11.392569353411893,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"94543a51119608e281eab9eb5ab45db680c93c128955281e27fbd652771b35e8","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-30","observed_at":"2026-10-30T15:59:00-04:00","iv_pct":24.07306091667455,"put_call_skew_pp":4.200486977578652,"implied_move_pct":11.298320114577674,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-friday-close-50delta-v3","source_hash":"1a4f7946e77a3e08c373acde8a403d5feaeaef4e920aaeb90b6d831509b472e9","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]}]}