{"slug":"what-is-0dte-options","qid":"busiest_spy_contracts","label":"July 6, 2026: SPY's two busiest same-day contracts","post_title":"What Is 0DTE? Zero Days to Expiry Options","post_url":"/blog/what-is-0dte-options#q-busiest_spy_contracts","columns":["side","strike","contracts_mm"],"rows":[{"side":"Call","strike":"751","contracts_mm":1.08},{"side":"Put","strike":"750","contracts_mm":0.99}],"shape":"ranking","sql":"SELECT if(opt_type = 'P', 'Put', 'Call') AS side,\n       toString(intDiv(strike_thousandths, 1000)) AS strike,\n       round(contracts / 1e6, 2) AS contracts_mm\nFROM (\n    SELECT substring(ticker, length(ticker) - 8, 1) AS opt_type,\n           toUInt32OrZero(substring(ticker, length(ticker) - 7, 8)) AS strike_thousandths,\n           sum(toFloat64(volume)) AS contracts\n    FROM global_markets.options_minute_aggs\n    WHERE window_start >= toDateTime('2026-07-06 08:00:00')\n      AND window_start < toDateTime('2026-07-07 04:00:00')\n      AND startsWith(ticker, 'O:SPY260706')\n    GROUP BY ticker, opt_type, strike_thousandths\n    ORDER BY contracts DESC\n    LIMIT 2\n)\nORDER BY contracts DESC","computed_at":"2026-08-11T14:13:57.759623+00:00","elapsed":0.002242706}