{"slug":"what-is-the-opening-auction","qid":"intraday_volume_curve","label":"AAPL volume by quarter-hour, July 2, 2026: pre-market to after-hours (ET)","post_title":"What Is the Opening Auction? How Stocks Open","post_url":"/blog/what-is-the-opening-auction#q-intraday_volume_curve","columns":["et_time","shares_m"],"rows":[{"et_time":"04:00","shares_m":0.1},{"et_time":"04:15","shares_m":0.01},{"et_time":"04:30","shares_m":0},{"et_time":"04:45","shares_m":0},{"et_time":"05:00","shares_m":0.01},{"et_time":"05:15","shares_m":0},{"et_time":"05:30","shares_m":0.01},{"et_time":"05:45","shares_m":0.01},{"et_time":"06:00","shares_m":0.01},{"et_time":"06:15","shares_m":0.01},{"et_time":"06:30","shares_m":0.01},{"et_time":"06:45","shares_m":0},{"et_time":"07:00","shares_m":0.02},{"et_time":"07:15","shares_m":0.01},{"et_time":"07:30","shares_m":0.01},{"et_time":"07:45","shares_m":0.01},{"et_time":"08:00","shares_m":0.02},{"et_time":"08:15","shares_m":0.02},{"et_time":"08:30","shares_m":0.04},{"et_time":"08:45","shares_m":0.03},{"et_time":"09:00","shares_m":0.04},{"et_time":"09:15","shares_m":0.04},{"et_time":"09:30","shares_m":4.22},{"et_time":"09:45","shares_m":4.74},{"et_time":"10:00","shares_m":3.26},{"et_time":"10:15","shares_m":2.96},{"et_time":"10:30","shares_m":3.22},{"et_time":"10:45","shares_m":2.79},{"et_time":"11:00","shares_m":3.12},{"et_time":"11:15","shares_m":2.2},{"et_time":"11:30","shares_m":1.62},{"et_time":"11:45","shares_m":1.31},{"et_time":"12:00","shares_m":1.64},{"et_time":"12:15","shares_m":2.63},{"et_time":"12:30","shares_m":1.85},{"et_time":"12:45","shares_m":1.76},{"et_time":"13:00","shares_m":1.77},{"et_time":"13:15","shares_m":1.27},{"et_time":"13:30","shares_m":1.31},{"et_time":"13:45","shares_m":1.58},{"et_time":"14:00","shares_m":1.34},{"et_time":"14:15","shares_m":1.33},{"et_time":"14:30","shares_m":1.57},{"et_time":"14:45","shares_m":1.12},{"et_time":"15:00","shares_m":1.33},{"et_time":"15:15","shares_m":1.43},{"et_time":"15:30","shares_m":2.14},{"et_time":"15:45","shares_m":6.52},{"et_time":"16:00","shares_m":1.06},{"et_time":"16:15","shares_m":0.03},{"et_time":"16:30","shares_m":0.18},{"et_time":"16:45","shares_m":0.04},{"et_time":"17:00","shares_m":0.01},{"et_time":"17:15","shares_m":0.01},{"et_time":"17:30","shares_m":0},{"et_time":"17:45","shares_m":0.01},{"et_time":"18:00","shares_m":0.01},{"et_time":"18:15","shares_m":0.01},{"et_time":"18:30","shares_m":0},{"et_time":"18:45","shares_m":0.01},{"et_time":"19:00","shares_m":0},{"et_time":"19:15","shares_m":0.01},{"et_time":"19:30","shares_m":0},{"et_time":"19:45","shares_m":0.01}],"shape":"series","sql":"SELECT\n    formatDateTime(toStartOfInterval(toTimeZone(window_start, 'America/New_York'), INTERVAL 15 MINUTE), '%H:%i') AS et_time,\n    round(sum(volume) / 1e6, 2) AS shares_m\nFROM global_markets.delayed_stocks_minute_aggs\nWHERE ticker = 'AAPL'\n  AND window_start >= toDateTime('2026-07-02 00:00:00', 'America/New_York')\n  AND window_start < toDateTime('2026-07-03 00:00:00', 'America/New_York')\nGROUP BY et_time\nORDER BY et_time","computed_at":"2026-07-26T06:24:36.063030+00:00","elapsed":0.036605147}