{"schemaVersion":1,"symbol":"WRB","days":90,"observations":[{"symbol":"WRB","expiry":"2026-11-20","observed_at":"2026-10-22T16:36:46.253000+00:00","captured_at":"2026-10-22T16:50:29.131Z","last_trade_at":"2026-10-22T16:50:18.124018106Z","price":75.75,"iv_pct":22.751490270526816,"implied_move_pct":5.2857192458685835,"put_call_skew_pp":3.206719174700834,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/WRB","source_hash":"b060e47898ac542361b92b18c2bad2299ebdcb64e6237133600ca9702d2acda8"}],"dailyIv":[],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/WRB","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"}}