{"slug":"nyse-closing-auction-explained","qid":"final_seconds","label":"KO second by second: the last ten seconds of continuous trading and the closing auction (Aug 19, 2026)","post_title":"NYSE Closing Auction Explained: How It Works","post_url":"/blog/nyse-closing-auction-explained#q-final_seconds","columns":["et_time","trade_count","volume","last_price","largest_print_conditions"],"rows":[{"et_time":"15:59:50","trade_count":67,"volume":4169,"last_price":90.33,"largest_print_conditions":"[14,41]"},{"et_time":"15:59:51","trade_count":51,"volume":3407,"last_price":90.34,"largest_print_conditions":"[]"},{"et_time":"15:59:52","trade_count":66,"volume":4714,"last_price":90.35,"largest_print_conditions":"[]"},{"et_time":"15:59:53","trade_count":58,"volume":7900,"last_price":90.34,"largest_print_conditions":"[14,41]"},{"et_time":"15:59:54","trade_count":75,"volume":15225,"last_price":90.34,"largest_print_conditions":"[14,41]"},{"et_time":"15:59:55","trade_count":85,"volume":15803,"last_price":90.34,"largest_print_conditions":"[]"},{"et_time":"15:59:56","trade_count":43,"volume":6391,"last_price":90.34,"largest_print_conditions":"[14,41]"},{"et_time":"15:59:57","trade_count":38,"volume":5022,"last_price":90.38,"largest_print_conditions":"[14,41]"},{"et_time":"15:59:58","trade_count":32,"volume":8890,"last_price":90.36,"largest_print_conditions":"[]"},{"et_time":"15:59:59","trade_count":53,"volume":20243,"last_price":90.38,"largest_print_conditions":"[]"},{"et_time":"16:00:00","trade_count":2,"volume":3395,"last_price":90.37,"largest_print_conditions":"[15]"},{"et_time":"16:00:02","trade_count":46,"volume":4494556,"last_price":90.35,"largest_print_conditions":"[8,41]"},{"et_time":"16:00:03","trade_count":3,"volume":9958,"last_price":90.35,"largest_print_conditions":"[12]"},{"et_time":"16:00:04","trade_count":8,"volume":2407,"last_price":90.35,"largest_print_conditions":"[12]"},{"et_time":"16:00:05","trade_count":1,"volume":11804,"last_price":90.35,"largest_print_conditions":"[12]"},{"et_time":"16:00:09","trade_count":1,"volume":12,"last_price":90.35,"largest_print_conditions":"[12,37]"},{"et_time":"16:00:11","trade_count":15,"volume":91035,"last_price":90.35,"largest_print_conditions":"[12,22]"},{"et_time":"16:00:22","trade_count":1,"volume":89315,"last_price":90.35,"largest_print_conditions":"[12,22,41]"},{"et_time":"16:00:25","trade_count":10,"volume":59745,"last_price":90.35,"largest_print_conditions":"[12,22,41]"}],"shape":"series","sql":"SELECT\n    formatDateTime(toTimeZone(sip_timestamp, 'America/New_York'), '%H:%i:%S') AS et_time,\n    count()                                                                  AS trade_count,\n    toUInt64(sum(size))                                                      AS volume,\n    round(toFloat64(argMax(price, sip_timestamp)), 2)                        AS last_price,\n    toString(argMax(conditions, size))                                       AS largest_print_conditions\nFROM global_markets.stocks_trades\nWHERE ticker = 'KO'\n  AND sip_timestamp >= toDateTime('2026-08-19 19:59:50', 'UTC')\n  AND sip_timestamp <  toDateTime('2026-08-19 20:00:30', 'UTC')\nGROUP BY et_time\nORDER BY et_time","computed_at":"2026-09-19T15:11:10.869070+00:00","elapsed":0.002182858}