{"schemaVersion":1,"symbol":"GSM","days":90,"observations":[{"symbol":"GSM","expiry":"2026-11-20","observed_at":"2026-10-23T15:34:49.399000+00:00","captured_at":"2026-10-23T15:47:38.441Z","last_trade_at":"2026-10-23T15:46:18.088654614Z","price":4.045,"iv_pct":131.5803780330962,"implied_move_pct":30.54447300990106,"put_call_skew_pp":69.43235265312602,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GSM","source_hash":"1456e6056069b78b31115a1a3e979a5707b0925b7b4459a0240904644c124ab8"}],"dailyIv":[],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/GSM","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"}}