{"schemaVersion":1,"symbol":"OPK","days":90,"observations":[{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-22T14:48:21.275000+00:00","captured_at":"2026-10-22T14:51:17.356Z","last_trade_at":"2026-10-22T14:51:11.010399529Z","price":1.66,"iv_pct":142.21998981372394,"implied_move_pct":45.16000739334625,"put_call_skew_pp":321.15534053063254,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"27645849338ba62f53fd8c1299acc4919fbcc5bfd5a806c70047d93d14853f76"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-22T19:51:29.883000+00:00","captured_at":"2026-10-22T22:01:15.514Z","last_trade_at":"2026-10-22T21:05:02.703998247Z","price":1.6497,"iv_pct":139.48501845991927,"implied_move_pct":37.752005346560324,"put_call_skew_pp":340.39383881444155,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"503c3ee5d81bf98daa4f2676edf2d9f02778360aaeb1d403705ea9042cca0f87"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-23T19:55:40.357000+00:00","captured_at":"2026-10-23T22:14:34.176Z","last_trade_at":"2026-10-23T20:30:18.826455685Z","price":1.63,"iv_pct":133.23526287810344,"implied_move_pct":34.35517156087975,"put_call_skew_pp":239.67473798645182,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"f1104096f0a818ed8e31c07276d90f1f6acb41fae40097226790b48d79996334"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-26T16:17:50.582000+00:00","captured_at":"2026-10-26T16:28:58.346Z","last_trade_at":"2026-10-26T16:28:48.366976293Z","price":1.655,"iv_pct":160.8467922560433,"implied_move_pct":37.61158489893992,"put_call_skew_pp":449.65317793052924,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"ee4d857f47feea1fbc5724024d1f1759b6bd827e773013339abf6ec401b0b284"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-26T19:59:11.909000+00:00","captured_at":"2026-10-27T03:23:40.971Z","last_trade_at":"2026-10-26T22:16:21.660615125Z","price":1.62,"iv_pct":133.4893159620305,"implied_move_pct":32.80327757300837,"put_call_skew_pp":149.20779745707935,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"a27e8223d4c6268f84db48054bea419d10bfe6dfb6d72ce6127eda9ebff75abb"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-27T19:50:03.871000+00:00","captured_at":"2026-10-27T21:31:44.283Z","last_trade_at":"2026-10-27T20:05:57.040805897Z","price":1.62,"iv_pct":211.948498402132,"implied_move_pct":35.7255786816854,"put_call_skew_pp":-208.30170792826567,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"ebe4c5b97af7146879c3776fe556e69259fd617dc134d534d1f08adf7b9f8a4f"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-28T15:06:08.636000+00:00","captured_at":"2026-10-28T15:16:03.892Z","last_trade_at":"2026-10-28T15:16:01.170420662Z","price":1.615,"iv_pct":110.85389886163112,"implied_move_pct":30.45402084822949,"put_call_skew_pp":2.8157446363935024,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"def22fda199c083c9228e4c9575b62e8e358f04028856f9a810f7607b6e84570"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-28T19:50:08.777000+00:00","captured_at":"2026-10-28T23:32:29.230Z","last_trade_at":"2026-10-28T21:23:43.428890421Z","price":1.6024,"iv_pct":116.14356591221515,"implied_move_pct":32.494776962602444,"put_call_skew_pp":30.092033968056953,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"d22238d5c9eb78c735a4101eb8142ebab83b7f14ce02d88a3e9d1c2636c180c5"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-29T19:55:11.736000+00:00","captured_at":"2026-10-30T01:44:24.077Z","last_trade_at":"2026-10-29T22:24:53.348142311Z","price":1.6088,"iv_pct":182.36798051004155,"implied_move_pct":30.096410470267937,"put_call_skew_pp":-35.88940465205819,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"dce4946481a8fadb0041500867ba55aca34f50ae8efa138681a18cf4ac7aa325"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-30T15:23:36.359000+00:00","captured_at":"2026-10-30T15:36:33.812Z","last_trade_at":"2026-10-30T15:36:33.61655842Z","price":1.6723,"iv_pct":161.1527779629891,"implied_move_pct":37.11303095045384,"put_call_skew_pp":376.54445419152523,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"d9eae9426b5ccbafa5752e570bb087e6a19de5ceb5a2df5bf31bf8105a82eeea"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-10-30T19:55:05.360000+00:00","captured_at":"2026-10-31T01:00:59.837Z","last_trade_at":"2026-10-30T23:48:06.326076325Z","price":1.6411,"iv_pct":120.22868843174808,"implied_move_pct":31.997472282084477,"put_call_skew_pp":40.31692096068093,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"c31705c07aa2fc18dfc0e882cfcefa71486696edc29960ad9f105e4ee4161087"},{"symbol":"OPK","expiry":"2026-11-20","observed_at":"2026-11-03T18:59:24.309000+00:00","captured_at":"2026-11-03T19:11:09.755Z","last_trade_at":"2026-11-03T19:10:57.931609172Z","price":1.745,"iv_pct":173.31442290606006,"implied_move_pct":39.30180511528812,"put_call_skew_pp":-7.652250715455922,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/OPK","source_hash":"69bd9a9687f5acb4b32f8ebaf2aadf668516880226a72d039ae34716aee7b942"}],"dailyIv":[{"symbol":"OPK","date":"2026-10-20","iv_pct":101.88612876631777,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":88.18596018434405,"put_iv_pct":177.5034908354646},{"expiry":"2026-12-18","call_iv_pct":62.848284668775676,"put_iv_pct":153.51890376569037},{"expiry":"2027-01-15","call_iv_pct":64.8842243117707,"put_iv_pct":116.30682721165738},{"expiry":"2027-03-19","call_iv_pct":60.95048560373676,"put_iv_pct":90.89085354910264}],"source":"ThetaData EOD Greeks","provider_symbol":"OPK","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"b976b94418f29ca84f5988541ab48cdb0483a2914a14078647e9b73949f18b7d","captured_at":"2026-11-01T14:47:40.790466+00:00"},{"symbol":"OPK","date":"2026-10-26","iv_pct":94.25657100301208,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":82.63482659581335,"put_iv_pct":199.1643216878403},{"expiry":"2026-12-18","call_iv_pct":72.9222591537111,"put_iv_pct":75.78480881609259},{"expiry":"2027-01-15","call_iv_pct":72.31884876171527,"put_iv_pct":95.39502682821289},{"expiry":"2027-03-19","call_iv_pct":63.079823277567904,"put_iv_pct":92.7526529031432}],"source":"ThetaData EOD Greeks","provider_symbol":"OPK","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"acc024f88e89bd92edc00612a167555c8ffa69bf32595ef60eb13b430e4584f9","captured_at":"2026-11-01T09:41:16.594016+00:00"},{"symbol":"OPK","date":"2026-10-27","iv_pct":111.46148039368676,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":259.88007002854425,"put_iv_pct":108.80343044670305},{"expiry":"2026-12-18","call_iv_pct":83.45469145741995,"put_iv_pct":86.49088954277954},{"expiry":"2027-01-15","call_iv_pct":62.33077976408913,"put_iv_pct":130.04938616757457},{"expiry":"2027-03-19","call_iv_pct":65.39792010665613,"put_iv_pct":95.28467563572742}],"source":"ThetaData EOD Greeks","provider_symbol":"OPK","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"ac5f461ee4a555a2cd1f26ae725544e36fdcdd4a8d363e6af116fa2f2c14f59e","captured_at":"2026-11-01T07:56:48.503510+00:00"}],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/OPK","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":"2026-10-20","observed_at":null,"iv_pct":101.88612876631777,"put_call_skew_pp":65.33778014832194,"implied_move_pct":43.7625617994707,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"b976b94418f29ca84f5988541ab48cdb0483a2914a14078647e9b73949f18b7d","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-26","observed_at":null,"iv_pct":94.25657100301207,"put_call_skew_pp":43.035263111620345,"implied_move_pct":38.399717245059755,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"acc024f88e89bd92edc00612a167555c8ffa69bf32595ef60eb13b430e4584f9","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]},{"date":"2026-10-27","observed_at":null,"iv_pct":111.46148039368676,"put_call_skew_pp":-12.608769890981225,"implied_move_pct":43.65073137995505,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"ac5f461ee4a555a2cd1f26ae725544e36fdcdd4a8d363e6af116fa2f2c14f59e","expiries":["2026-11-20","2026-12-18","2027-01-15","2027-03-19"]}]}