{"schemaVersion":1,"symbol":"GRDN","days":90,"observations":[{"symbol":"GRDN","expiry":"2026-11-20","observed_at":"2026-10-21T19:58:08.021000+00:00","captured_at":"2026-10-22T05:09:12.462Z","last_trade_at":"2026-10-21T23:00:00.002168102Z","price":38.98,"iv_pct":62.44860083215309,"implied_move_pct":13.6612870411302,"put_call_skew_pp":-6.4833713177741,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GRDN","source_hash":"31453e18b928a9fc8dda0771e82fba38173c32283bcbc750fd11b277f1d4ea70"},{"symbol":"GRDN","expiry":"2026-11-20","observed_at":"2026-10-22T18:32:31.249000+00:00","captured_at":"2026-10-22T18:37:22.648Z","last_trade_at":"2026-10-22T18:32:31.30622432Z","price":39.36,"iv_pct":59.84067620348606,"implied_move_pct":13.212575678808713,"put_call_skew_pp":-1.6528093202054839,"model_version":"delta-comparison-v1","source_url":"https://intraalpha.com/companies/GRDN","source_hash":"a7e8cd5354e1397ae91eaad9d3f9bd230e1c57ceab916b22ebb290fba44ae1ab"}],"dailyIv":[],"dailyIvModel":"theta-four-listed-fridays-50delta-v2","truncated":false,"expiries":["2026-11-20"],"url":"https://intraalpha.com/companies/GRDN","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"}}