{"schemaVersion":1,"symbol":"GD","days":90,"observations":[{"symbol":"GD","expiry":"2026-11-20","observed_at":"2026-10-19T19:55:03.917000+00:00","captured_at":"2026-10-20T03:51:55.404Z","last_trade_at":"2026-10-19T23:00:00.002279356Z","price":341.43,"iv_pct":25.53711854899028,"implied_move_pct":6.047210124709548,"put_call_skew_pp":-1.2343732671822594,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GD","source_hash":"bdd485d55ae992aa5b57cf0f4d068edf7dc1257e5d88f7aebd08502cbee885c6"}],"truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/GD","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"}}