{"slug":"us-stock-market-hours-vietnam-time","qid":"session_share_by_ticker","label":"session_share_by_ticker","post_title":"us-stock-market-hours-vietnam-time","post_url":"/blog/lang/vi/us-stock-market-hours-vietnam-time#q-session_share_by_ticker","columns":["ticker","pct_premarket","pct_regular","pct_after_hours"],"rows":[{"ticker":"SPY","pct_premarket":2.57,"pct_regular":82.44,"pct_after_hours":14.99},{"ticker":"NVDA","pct_premarket":4.35,"pct_regular":89.96,"pct_after_hours":5.69},{"ticker":"MSFT","pct_premarket":2.68,"pct_regular":92.06,"pct_after_hours":5.26},{"ticker":"AMZN","pct_premarket":2.95,"pct_regular":92.66,"pct_after_hours":4.39},{"ticker":"KO","pct_premarket":0.79,"pct_regular":92.71,"pct_after_hours":6.51},{"ticker":"AAPL","pct_premarket":1.89,"pct_regular":93.62,"pct_after_hours":4.49}],"shape":"ranking","sql":"WITH tape AS\n(\n    SELECT\n        ticker,\n        toHour(toTimeZone(window_start, 'America/New_York')) * 60\n            + toMinute(toTimeZone(window_start, 'America/New_York')) AS et_minute,\n        toFloat64(volume)                                            AS volume\n    FROM global_markets.delayed_stocks_minute_aggs\n    WHERE ticker IN ('AAPL', 'MSFT', 'NVDA', 'AMZN', 'SPY', 'KO')\n      AND window_start >= '2026-09-01 04:00:00'\n      AND window_start <  '2026-10-01 04:00:00'\n)\nSELECT\n    ticker,\n    round(100 * sum(if(et_minute >= 240 AND et_minute < 570, volume, 0)) / sum(volume), 2)  AS pct_premarket,\n    round(100 * sum(if(et_minute >= 570 AND et_minute < 960, volume, 0)) / sum(volume), 2)  AS pct_regular,\n    round(100 * sum(if(et_minute >= 960 AND et_minute < 1200, volume, 0)) / sum(volume), 2) AS pct_after_hours\nFROM tape\nGROUP BY ticker\nORDER BY pct_regular","computed_at":"2026-10-05T14:52:46.160953+00:00","elapsed":0.003367923}