{"slug":"dax-daily-options","qid":"same_day_share","label":"Same-day expiries as a share of SPY option volume: every session, July 2026","post_title":"DAX Daily Options: How Eurex 0DTE Works","post_url":"/blog/dax-daily-options#q-same_day_share","columns":["date","total_volume_millions","same_day_volume_millions","same_day_share_pct"],"rows":[{"date":"2026-07-01","total_volume_millions":3.27,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-02","total_volume_millions":3.87,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-06","total_volume_millions":3.61,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-07","total_volume_millions":3.55,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-08","total_volume_millions":3.58,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-09","total_volume_millions":3.5,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-10","total_volume_millions":3.25,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-13","total_volume_millions":3.89,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-14","total_volume_millions":3.11,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-15","total_volume_millions":4.19,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-16","total_volume_millions":4.31,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-17","total_volume_millions":4.06,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-20","total_volume_millions":4.11,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-21","total_volume_millions":3.39,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-22","total_volume_millions":3.22,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-23","total_volume_millions":4.52,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-24","total_volume_millions":3.8,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-27","total_volume_millions":4.53,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-28","total_volume_millions":3.23,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-29","total_volume_millions":4.74,"same_day_volume_millions":0,"same_day_share_pct":0},{"date":"2026-07-30","total_volume_millions":4.12,"same_day_volume_millions":0,"same_day_share_pct":0}],"shape":"series","sql":"SELECT date,\n       round(sum(volume) / 1e6, 2) AS total_volume_millions,\n       round(sumIf(volume, days_to_expiry = 0) / 1e6, 2) AS same_day_volume_millions,\n       round(100 * sumIf(volume, days_to_expiry = 0) / sum(volume), 1) AS same_day_share_pct\nFROM global_markets.options_greeks\nWHERE underlying_symbol = 'SPY'\n  AND date >= toDate('2026-07-01')\n  AND date <= toDate('2026-07-31')\n  AND volume > 0\nGROUP BY date\nHAVING sum(volume) > 0\nORDER BY date","computed_at":"2026-08-03T07:38:26.308807+00:00","elapsed":0.004966589}