{"schemaVersion":1,"symbol":"BILS","days":90,"observations":[{"symbol":"BILS","expiry":"2026-11-20","observed_at":"2026-10-22T19:50:00.599000+00:00","captured_at":"2026-10-23T10:19:44.412Z","last_trade_at":"2026-10-23T00:00:00.066730566Z","price":99.3,"iv_pct":12.703156851041285,"implied_move_pct":2.4334313407895514,"put_call_skew_pp":-1.0309667376970117,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/BILS","source_hash":"188124864ac2a83246806693e46251048dca0c1e71e96f2c775a8eef9f21774e"}],"dailyIv":[{"symbol":"BILS","date":"2026-10-21","iv_pct":29.285549507582402,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":47.91121951219512,"put_iv_pct":40.90122302158273},{"expiry":"2026-12-18","call_iv_pct":34.45567567567568,"put_iv_pct":15.572784090909101},{"expiry":"2027-01-15","call_iv_pct":28.290260047281322,"put_iv_pct":24.334268292682925},{"expiry":"2027-04-16","call_iv_pct":19.792116935483868,"put_iv_pct":23.026848484848486}],"source":"ThetaData EOD Greeks","provider_symbol":"BILS","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"f6f0a392ad8b3cdb20f9040e0c99ef7c46e0e0718b437fe8640d047710f16054","captured_at":"2026-10-23T12:46:15.455982+00:00"},{"symbol":"BILS","date":"2026-10-22","iv_pct":30.14993303407786,"model_version":"theta-four-listed-fridays-50delta-v2","expiries":[{"expiry":"2026-11-20","call_iv_pct":48.7176923076923,"put_iv_pct":41.85177816901409},{"expiry":"2026-12-18","call_iv_pct":34.728461538461545,"put_iv_pct":34.83465753424656},{"expiry":"2027-01-15","call_iv_pct":28.453058823529414,"put_iv_pct":24.475919117647056},{"expiry":"2027-04-16","call_iv_pct":19.838456913827653,"put_iv_pct":8.299439868204281}],"source":"ThetaData EOD Greeks","provider_symbol":"BILS","calendar_adjustments":[],"calendar_source":"ThetaData year_holidays","source_hash":"1fa1b0495c195d32942576c23a0628b7e0b9925a16c1768267062b1ba70f0e8e","captured_at":"2026-10-23T12:46:14.250117+00:00"}],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/BILS","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"}}