{"schemaVersion":1,"symbol":"ATEN","days":90,"observations":[{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-21T19:55:01.248000+00:00","captured_at":"2026-10-22T00:38:40.317Z","last_trade_at":"2026-10-21T23:00:00.002849056Z","price":25.05,"iv_pct":50.0859834607225,"implied_move_pct":12.906242005912658,"put_call_skew_pp":5.794018099755826,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"5577da6d48b959bd0805ec94bb18b127eff2415fb84229e70a711029cf3c2456"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-22T19:55:01.291000+00:00","captured_at":"2026-10-22T20:36:01.043Z","last_trade_at":"2026-10-22T20:10:00.002333153Z","price":24.56,"iv_pct":66.66973556221143,"implied_move_pct":15.065704366151675,"put_call_skew_pp":-7.865891339552345,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"a76d8ccd357c9571bc42b60c349690800827c24bbccc0054026995f74b163e11"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-23T19:49:52.346000+00:00","captured_at":"2026-10-23T20:57:38.024Z","last_trade_at":"2026-10-23T20:10:00.00227696Z","price":25.45,"iv_pct":58.95899473537185,"implied_move_pct":14.923124523980814,"put_call_skew_pp":-3.045489079925656,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"e9f83eddb76abe81ec3c6f041a1b48844ca14acfb1919835c94a531cc1e23bee"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-26T19:57:24.636000+00:00","captured_at":"2026-10-27T01:32:18.958Z","last_trade_at":"2026-10-26T23:00:00.002978801Z","price":25.79,"iv_pct":59.80765493976331,"implied_move_pct":14.429530733675508,"put_call_skew_pp":-4.586982604311174,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"daeed42b387d389f1dcc885eed10cee30b54479ece2a3aa04f338a52a6e74b00"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-27T15:24:26.525000+00:00","captured_at":"2026-10-27T15:36:04.060Z","last_trade_at":"2026-10-27T15:33:58.771939188Z","price":26.4,"iv_pct":49.77730659051288,"implied_move_pct":12.121084390768475,"put_call_skew_pp":0.7267452722470535,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"c2a393a994cf1b3d8b3572b5b121445e36319090cb8cc642cedccdce7cfa0066"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-27T19:55:02.929000+00:00","captured_at":"2026-10-27T23:50:05.315Z","last_trade_at":"2026-10-27T23:00:00.002829736Z","price":26.9,"iv_pct":58.932658913665634,"implied_move_pct":14.833926523364072,"put_call_skew_pp":3.0280424075109447,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"e6ae1bac537e62478fe69ccb9609cea9193b18d9920bca1aa64915724999a113"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-28T19:56:56.568000+00:00","captured_at":"2026-10-28T20:33:59.130Z","last_trade_at":"2026-10-28T20:30:56.015830342Z","price":26.26,"iv_pct":61.93922864259862,"implied_move_pct":14.550452753015747,"put_call_skew_pp":5.805482964390496,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"cd1bb6afd98d3ba64138bbac209ca7c36803eb75e610f15022ee3b9ae3816211"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-29T19:55:01.183000+00:00","captured_at":"2026-10-30T00:04:39.066Z","last_trade_at":"2026-10-29T23:00:00.002491349Z","price":25.84,"iv_pct":62.08691847920327,"implied_move_pct":14.999852993233489,"put_call_skew_pp":3.3676328400789823,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"5cd9fd009ec644004cb0d914e0af786b06434607148ad27daa547ea7d5894ae6"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-10-30T19:50:37.229000+00:00","captured_at":"2026-10-30T23:13:34.121Z","last_trade_at":"2026-10-30T23:00:00.002581087Z","price":24.48,"iv_pct":72.90388293339767,"implied_move_pct":15.164131182831072,"put_call_skew_pp":-98.56628502269577,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"cf3c370f3b54dc15c1c86289dcc57ee7b8e2d607138d88fc744d07e26867bab1"},{"symbol":"ATEN","expiry":"2026-11-20","observed_at":"2026-11-03T20:55:05.279000+00:00","captured_at":"2026-11-04T01:43:05.268Z","last_trade_at":"2026-11-04T00:00:00.002410771Z","price":24.3,"iv_pct":73.96708754944929,"implied_move_pct":13.605340398707247,"put_call_skew_pp":-10.958233844539789,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/ATEN","source_hash":"71e67698d28254fc5fc478f7bee89b03e2540c274e3bfb4a1807ca9ad03fc038"}],"dailyIv":[{"symbol":"ATEN","date":"2026-10-19","iv_pct":50.161512869467614,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":54.24427724449463,"put_iv_pct":51.42147348212143},{"expiry":"2026-12-18","call_iv_pct":50.35816720257233,"put_iv_pct":47.68984848484848},{"expiry":"2027-02-19","call_iv_pct":52.359026047565116,"put_iv_pct":47.367031250000004},{"expiry":"2027-05-21","call_iv_pct":50.811257309941524,"put_iv_pct":47.04102193419741}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"dbfb37afa605a0678b863de556954d47adb30716dfd5d03a1c4165c861063c6e","captured_at":"2026-11-01T15:50:58.105222+00:00"},{"symbol":"ATEN","date":"2026-10-20","iv_pct":50.91676718852049,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":52.46183006535947,"put_iv_pct":58.46449556918883},{"expiry":"2026-12-18","call_iv_pct":47.132069520437724,"put_iv_pct":49.826213168424886},{"expiry":"2027-02-19","call_iv_pct":47.98022029897718,"put_iv_pct":50.90518898740084},{"expiry":"2027-05-21","call_iv_pct":48.68048511576627,"put_iv_pct":51.88363478260869}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"9d73a036c8ffbde729d834cde3c6a1d2fe9dacd32d8fef40f6739fb370872787","captured_at":"2026-10-22T12:06:49.744622+00:00"},{"symbol":"ATEN","date":"2026-10-21","iv_pct":49.376665953386826,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":38.4540498034076,"put_iv_pct":61.520651391162026},{"expiry":"2026-12-18","call_iv_pct":46.97672494536372,"put_iv_pct":48.65652301665035},{"expiry":"2027-02-19","call_iv_pct":49.14033177812338,"put_iv_pct":51.48821107430194},{"expiry":"2027-05-21","call_iv_pct":51.2683170995671,"put_iv_pct":47.508518518518514}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"15677d01a5156f85375700fae161f0eac7798b411c0413bb2203fb851ef9edae","captured_at":"2026-10-22T12:06:48.403836+00:00"},{"symbol":"ATEN","date":"2026-10-22","iv_pct":53.44568328600172,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":70.81726833199033,"put_iv_pct":62.32092682926829},{"expiry":"2026-12-18","call_iv_pct":46.185498593310406,"put_iv_pct":50.691464968152864},{"expiry":"2027-02-19","call_iv_pct":46.30940516273849,"put_iv_pct":49.88463349791113},{"expiry":"2027-05-21","call_iv_pct":52.90069948186529,"put_iv_pct":48.45556942277691}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"7ebdad05ba61f9238a2c54400ce881658cdcc672165aa0dbdd685ccf7049bb1d","captured_at":"2026-10-23T12:04:08.786680+00:00"},{"symbol":"ATEN","date":"2026-10-23","iv_pct":52.22931793478957,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":56.97869565217392,"put_iv_pct":60.895901734104044},{"expiry":"2026-12-18","call_iv_pct":47.275014044943816,"put_iv_pct":53.32552915766738},{"expiry":"2027-02-19","call_iv_pct":44.6336676217765,"put_iv_pct":54.41643811219947},{"expiry":"2027-05-21","call_iv_pct":47.022301665034284,"put_iv_pct":53.286995490417134}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"406c66c800f8662931d12241a6ad4ee3f23b73670e2cc6a9f6b358364368f318","captured_at":"2026-10-24T13:46:27.527391+00:00"},{"symbol":"ATEN","date":"2026-10-26","iv_pct":51.918830917005266,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":63.29920143027413,"put_iv_pct":56.01513314967861},{"expiry":"2026-12-18","call_iv_pct":50.41921590281613,"put_iv_pct":48.1685530985531},{"expiry":"2027-02-19","call_iv_pct":49.97415064102564,"put_iv_pct":51.02331390507911},{"expiry":"2027-05-21","call_iv_pct":48.95137931034483,"put_iv_pct":47.4996998982706}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"1b0bc6fab9f8fd2f18e7e2dcadbfbe0a12d03b17b69735404739b8418770e661","captured_at":"2026-10-27T13:55:13.282675+00:00"},{"symbol":"ATEN","date":"2026-10-27","iv_pct":52.12390041425759,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":54.01486079604042,"put_iv_pct":63.386407442748094},{"expiry":"2026-12-18","call_iv_pct":48.72359874279727,"put_iv_pct":57.360375310173694},{"expiry":"2027-02-19","call_iv_pct":44.82628520499109,"put_iv_pct":50.22276874256247},{"expiry":"2027-05-21","call_iv_pct":48.748771839671114,"put_iv_pct":49.7081352350766}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"0a17ac0af9d9909bf6a54ffb24a81a6dc0f70f836226e0c99258ddc6d2a2a3a1","captured_at":"2026-11-01T06:28:25.042073+00:00"},{"symbol":"ATEN","date":"2026-10-28","iv_pct":53.77831884611252,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":61.78511116051578,"put_iv_pct":62.08535863026376},{"expiry":"2026-12-18","call_iv_pct":46.99849190283401,"put_iv_pct":55.56021998166819},{"expiry":"2027-02-19","call_iv_pct":51.11,"put_iv_pct":53.075266094420606},{"expiry":"2027-05-21","call_iv_pct":47.96532828282828,"put_iv_pct":51.646774716369535}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"99f2bde8fe947c32858c3a77fb476f07a44a558d924cff78fcf27c103acffb1e","captured_at":"2026-11-01T03:53:18.411405+00:00"},{"symbol":"ATEN","date":"2026-10-29","iv_pct":53.53643925514702,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":52.475703380588875,"put_iv_pct":71.47945438011519},{"expiry":"2026-12-18","call_iv_pct":47.43465152297367,"put_iv_pct":53.522449635036494},{"expiry":"2027-02-19","call_iv_pct":49.76209767814252,"put_iv_pct":54.863153526970954},{"expiry":"2027-05-21","call_iv_pct":47.97780913288866,"put_iv_pct":50.77619478445982}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"58f9b2a6e26bc27642f0c1393674c99e990f5031ce961205abd9c116b6257173","captured_at":"2026-11-01T01:22:28.983471+00:00"},{"symbol":"ATEN","date":"2026-10-30","iv_pct":56.336870952641064,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":61.89043744889615,"put_iv_pct":83.78531172069825},{"expiry":"2026-12-18","call_iv_pct":52.43060800488848,"put_iv_pct":53.32913766553742},{"expiry":"2027-02-19","call_iv_pct":53.32898286547576,"put_iv_pct":49.38418666666667},{"expiry":"2027-05-21","call_iv_pct":51.83064336372847,"put_iv_pct":44.71565988523734}],"source":"ThetaData EOD Greeks","provider_symbol":"ATEN","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"c76c87ec363b1a3911f11c364aee90447e7f37d98d725084501eee2fc09ec6a1","captured_at":"2026-10-31T22:50:13.476849+00:00"}],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/ATEN","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":"2026-10-19","observed_at":null,"iv_pct":50.161512869467614,"put_call_skew_pp":-3.5633381633515704,"implied_move_pct":25.473408057416297,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"dbfb37afa605a0678b863de556954d47adb30716dfd5d03a1c4165c861063c6e","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-20","observed_at":null,"iv_pct":50.91676718852049,"put_call_skew_pp":3.7062318767706497,"implied_move_pct":25.653855995373934,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"9d73a036c8ffbde729d834cde3c6a1d2fe9dacd32d8fef40f6739fb370872787","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-21","observed_at":null,"iv_pct":49.376665953386826,"put_call_skew_pp":5.833620093542756,"implied_move_pct":24.9916839688687,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"15677d01a5156f85375700fae161f0eac7798b411c0413bb2203fb851ef9edae","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-22","observed_at":null,"iv_pct":53.44568328600172,"put_call_skew_pp":-1.2150692129488316,"implied_move_pct":25.99489061225287,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"7ebdad05ba61f9238a2c54400ce881658cdcc672165aa0dbdd685ccf7049bb1d","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-23","observed_at":null,"iv_pct":52.22931793478957,"put_call_skew_pp":6.5037963776148775,"implied_move_pct":25.578088699940484,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"406c66c800f8662931d12241a6ad4ee3f23b73670e2cc6a9f6b358364368f318","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-26","observed_at":null,"iv_pct":51.918830917005266,"put_call_skew_pp":-2.484311808219827,"implied_move_pct":24.78719541426905,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"1b0bc6fab9f8fd2f18e7e2dcadbfbe0a12d03b17b69735404739b8418770e661","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-27","observed_at":null,"iv_pct":52.12390041425759,"put_call_skew_pp":6.091042536765238,"implied_move_pct":24.674514663899238,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"0a17ac0af9d9909bf6a54ffb24a81a6dc0f70f836226e0c99258ddc6d2a2a3a1","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-28","observed_at":null,"iv_pct":53.77831884611252,"put_call_skew_pp":3.6271720191360046,"implied_move_pct":25.279917234187224,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"99f2bde8fe947c32858c3a77fb476f07a44a558d924cff78fcf27c103acffb1e","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-29","observed_at":null,"iv_pct":53.53643925514702,"put_call_skew_pp":8.247747652997186,"implied_move_pct":24.971507629779282,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"58f9b2a6e26bc27642f0c1393674c99e990f5031ce961205abd9c116b6257173","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]},{"date":"2026-10-30","observed_at":null,"iv_pct":56.336870952641064,"put_call_skew_pp":2.9334060637877055,"implied_move_pct":25.31507502999716,"model_version":"four-friday-iv-derived-history-v1","source_model":"theta-four-listed-fridays-50delta-v2","source_hash":"c76c87ec363b1a3911f11c364aee90447e7f37d98d725084501eee2fc09ec6a1","expiries":["2026-11-20","2026-12-18","2027-02-19","2027-05-21"]}]}