{"slug":"how-to-read-the-equity-trade-tape","qid":"corrections_one_session","label":"Correction indicator counts on one session, fifteen large names, 2023-03-15","post_title":"How to Read the US Equity Trade Tape","post_url":"/blog/how-to-read-the-equity-trade-tape#q-corrections_one_session","columns":["correction","meaning","prints"],"rows":[{"correction":0,"meaning":"regular","prints":6495850},{"correction":1,"meaning":"original, later corrected","prints":13},{"correction":8,"meaning":"original, later cancelled","prints":50},{"correction":10,"meaning":"cancel record","prints":50},{"correction":12,"meaning":"correction record","prints":13}],"shape":"ranking","sql":"SELECT\n    correction,\n    multiIf(correction = 0,  'regular',\n            correction = 1,  'original, later corrected',\n            correction = 12, 'correction record',\n            correction = 8,  'original, later cancelled',\n            correction = 10, 'cancel record',\n            correction = 7,  'original, later errored',\n            correction = 11, 'error record', 'other')                       AS meaning,\n    count()                                                                  AS prints\nFROM global_markets.stocks_trades\nWHERE ticker IN ('AAPL','MSFT','AMZN','NVDA','TSLA','META','GOOGL','BAC','C','AMD','ADBE','BIIB','ARCC','AA','AAL')\n  AND toYYYYMMDD(sip_timestamp) = 20230315\nGROUP BY correction\nORDER BY correction","computed_at":"2026-09-15T01:15:13.752578+00:00","elapsed":0.001962461}