{"schemaVersion":1,"symbol":"SPFF","days":90,"observations":[{"symbol":"SPFF","expiry":"2026-11-20","observed_at":"2026-10-22T16:35:10.720000+00:00","captured_at":"2026-10-22T16:36:20.504Z","last_trade_at":"2026-10-22T16:35:01.174322909Z","price":8.8,"iv_pct":60.68831977240179,"implied_move_pct":13.741461620487664,"put_call_skew_pp":-35.03762930046375,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/SPFF","source_hash":"1b49b5395c9295217416d393b6ef94bf2f398475067949bae3f245661cfd24ac"}],"dailyIv":[],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/SPFF","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"}}