{"slug":"why-rsi-differs-between-platforms","qid":"session_coverage","label":"Where the minute bars actually are, by ET hour","post_title":"Why Your RSI Differs Between Platforms","post_url":"/blog/why-rsi-differs-between-platforms#q-session_coverage","columns":["et_hour","bar_count","volume_share_pct"],"rows":[{"et_hour":"04","bar_count":965,"volume_share_pct":0.23},{"et_hour":"05","bar_count":810,"volume_share_pct":0.06},{"et_hour":"06","bar_count":827,"volume_share_pct":0.07},{"et_hour":"07","bar_count":1144,"volume_share_pct":0.2},{"et_hour":"08","bar_count":1190,"volume_share_pct":0.62},{"et_hour":"09","bar_count":1244,"volume_share_pct":14.44},{"et_hour":"10","bar_count":1260,"volume_share_pct":14.79},{"et_hour":"11","bar_count":1260,"volume_share_pct":11.37},{"et_hour":"12","bar_count":1260,"volume_share_pct":10.77},{"et_hour":"13","bar_count":1260,"volume_share_pct":10.34},{"et_hour":"14","bar_count":1260,"volume_share_pct":10.29},{"et_hour":"15","bar_count":1260,"volume_share_pct":21.57},{"et_hour":"16","bar_count":1156,"volume_share_pct":4.69},{"et_hour":"17","bar_count":1001,"volume_share_pct":0.35},{"et_hour":"18","bar_count":1017,"volume_share_pct":0.11},{"et_hour":"19","bar_count":990,"volume_share_pct":0.1}],"shape":"ranking","sql":"SELECT\n    et_hour,\n    bar_count,\n    round(100 * hour_volume / sum(hour_volume) OVER (), 2) AS volume_share_pct\nFROM\n(\n    SELECT\n        formatDateTime(toTimeZone(window_start, 'America/New_York'), '%H') AS et_hour,\n        count()                                                            AS bar_count,\n        toFloat64(sum(volume))                                             AS hour_volume\n    FROM global_markets.delayed_stocks_minute_aggs\n    WHERE ticker = 'AAPL'\n      AND window_start >= '2026-06-01 04:00:00'\n      AND window_start <  '2026-07-01 04:00:00'\n    GROUP BY et_hour\n)\nORDER BY et_hour","computed_at":"2026-08-17T15:36:40.590192+00:00","elapsed":0.001976502}