{"slug":"what-is-sq-day-japan-options","qid":"open_minute_trace","label":"SPY volume by ET clock minute around the open, 13 March vs 20 March 2026","post_title":"When Is SQ Day for Nikkei 225 Options?","post_url":"/blog/what-is-sq-day-japan-options#q-open_minute_trace","columns":["et_time","settlement_friday_volume_k","ordinary_friday_volume_k"],"rows":[{"et_time":"09:15","settlement_friday_volume_k":2.8,"ordinary_friday_volume_k":23.6},{"et_time":"09:16","settlement_friday_volume_k":5.8,"ordinary_friday_volume_k":33.8},{"et_time":"09:17","settlement_friday_volume_k":4,"ordinary_friday_volume_k":5.9},{"et_time":"09:18","settlement_friday_volume_k":4.2,"ordinary_friday_volume_k":64.2},{"et_time":"09:19","settlement_friday_volume_k":11.6,"ordinary_friday_volume_k":18.2},{"et_time":"09:20","settlement_friday_volume_k":9.4,"ordinary_friday_volume_k":10.3},{"et_time":"09:21","settlement_friday_volume_k":5.3,"ordinary_friday_volume_k":8.3},{"et_time":"09:22","settlement_friday_volume_k":2.7,"ordinary_friday_volume_k":8.6},{"et_time":"09:23","settlement_friday_volume_k":5.6,"ordinary_friday_volume_k":11.3},{"et_time":"09:24","settlement_friday_volume_k":11.3,"ordinary_friday_volume_k":9.8},{"et_time":"09:25","settlement_friday_volume_k":35,"ordinary_friday_volume_k":16},{"et_time":"09:26","settlement_friday_volume_k":20,"ordinary_friday_volume_k":5.7},{"et_time":"09:27","settlement_friday_volume_k":27,"ordinary_friday_volume_k":14.6},{"et_time":"09:28","settlement_friday_volume_k":66,"ordinary_friday_volume_k":28.1},{"et_time":"09:29","settlement_friday_volume_k":57.8,"ordinary_friday_volume_k":26.1},{"et_time":"09:30","settlement_friday_volume_k":791,"ordinary_friday_volume_k":739.7},{"et_time":"09:31","settlement_friday_volume_k":417,"ordinary_friday_volume_k":463.5},{"et_time":"09:32","settlement_friday_volume_k":378.7,"ordinary_friday_volume_k":361.8},{"et_time":"09:33","settlement_friday_volume_k":444.1,"ordinary_friday_volume_k":378.9},{"et_time":"09:34","settlement_friday_volume_k":296.2,"ordinary_friday_volume_k":352.4},{"et_time":"09:35","settlement_friday_volume_k":377.2,"ordinary_friday_volume_k":292.6},{"et_time":"09:36","settlement_friday_volume_k":211.7,"ordinary_friday_volume_k":255.3},{"et_time":"09:37","settlement_friday_volume_k":376.4,"ordinary_friday_volume_k":343.1},{"et_time":"09:38","settlement_friday_volume_k":399.5,"ordinary_friday_volume_k":282.1},{"et_time":"09:39","settlement_friday_volume_k":371.1,"ordinary_friday_volume_k":284.3},{"et_time":"09:40","settlement_friday_volume_k":369.9,"ordinary_friday_volume_k":232.1},{"et_time":"09:41","settlement_friday_volume_k":338.5,"ordinary_friday_volume_k":226.5},{"et_time":"09:42","settlement_friday_volume_k":296.1,"ordinary_friday_volume_k":315.1},{"et_time":"09:43","settlement_friday_volume_k":307.9,"ordinary_friday_volume_k":364.1},{"et_time":"09:44","settlement_friday_volume_k":246.5,"ordinary_friday_volume_k":342.2},{"et_time":"09:45","settlement_friday_volume_k":337.8,"ordinary_friday_volume_k":379.6},{"et_time":"09:46","settlement_friday_volume_k":337.4,"ordinary_friday_volume_k":346.1},{"et_time":"09:47","settlement_friday_volume_k":211.5,"ordinary_friday_volume_k":418.6},{"et_time":"09:48","settlement_friday_volume_k":194.2,"ordinary_friday_volume_k":336.1},{"et_time":"09:49","settlement_friday_volume_k":226.7,"ordinary_friday_volume_k":471},{"et_time":"09:50","settlement_friday_volume_k":407.9,"ordinary_friday_volume_k":242.3},{"et_time":"09:51","settlement_friday_volume_k":313.8,"ordinary_friday_volume_k":169.1},{"et_time":"09:52","settlement_friday_volume_k":439.1,"ordinary_friday_volume_k":225.3},{"et_time":"09:53","settlement_friday_volume_k":460.9,"ordinary_friday_volume_k":201.8},{"et_time":"09:54","settlement_friday_volume_k":309,"ordinary_friday_volume_k":271.5},{"et_time":"09:55","settlement_friday_volume_k":335,"ordinary_friday_volume_k":165},{"et_time":"09:56","settlement_friday_volume_k":243.7,"ordinary_friday_volume_k":355.8},{"et_time":"09:57","settlement_friday_volume_k":289.5,"ordinary_friday_volume_k":317.3},{"et_time":"09:58","settlement_friday_volume_k":522.8,"ordinary_friday_volume_k":173.2},{"et_time":"09:59","settlement_friday_volume_k":388.8,"ordinary_friday_volume_k":337.3},{"et_time":"10:00","settlement_friday_volume_k":665,"ordinary_friday_volume_k":318.2}],"shape":"series","sql":"SELECT\n    formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H:%i')  AS et_time,\n    round(sumIf(toFloat64(volume),\n                toDate(toTimeZone(window_start, 'America/New_York')) = '2026-03-20') / 1000, 1) AS settlement_friday_volume_k,\n    round(sumIf(toFloat64(volume),\n                toDate(toTimeZone(window_start, 'America/New_York')) = '2026-03-13') / 1000, 1) AS ordinary_friday_volume_k\nFROM global_markets.delayed_stocks_minute_aggs\nWHERE ticker = 'SPY'\n  AND window_start >= '2026-03-13 00:00:00'\n  AND window_start <  '2026-03-21 00:00:00'\n  AND toDate(toTimeZone(window_start, 'America/New_York')) IN ('2026-03-13', '2026-03-20')\n  AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60\n       + toMinute(toTimeZone(window_start, 'America/New_York'))) BETWEEN 555 AND 600\nGROUP BY et_time\nORDER BY et_time","computed_at":"2026-08-16T14:09:47.610869+00:00","elapsed":0.003073331}