NYSE Closing Auction Explained: How It Works
KO second by second: the last ten seconds of continuous trading and the closing auction (Aug 19, 2026)series ·
2026-09-28 · 19×5
The receipt: KO's last continuous trade, its closing auction print, and the daily bar's close (Aug 19, 2026)scalar ·
2026-09-28 · 1×1290.38
Trade condition codes that describe a close, from the consolidated-tape dictionarytable ·
2026-09-28 · 5×3
The closing print as a share of the day's volume, eight NYSE-listed names (Aug 19, 2026)series ·
2026-09-28 · 8×4
KO second by second: the last ten seconds of continuous trading and the closing auction (Aug 19, 2026)
KO second by second: the last ten seconds of continuous trading and the closing auction (Aug 19, 2026)
| et_time | trade_count | volume | last_price | largest_print_conditions |
|---|---|---|---|---|
| 15:59:50 | 67 | 4169 | 90.33 | [14,41] |
| 15:59:51 | 51 | 3407 | 90.34 | [] |
| 15:59:52 | 66 | 4714 | 90.35 | [] |
| 15:59:53 | 58 | 7900 | 90.34 | [14,41] |
| 15:59:54 | 75 | 15225 | 90.34 | [14,41] |
| 15:59:55 | 85 | 15803 | 90.34 | [] |
| 15:59:56 | 43 | 6391 | 90.34 | [14,41] |
| 15:59:57 | 38 | 5022 | 90.38 | [14,41] |
| 15:59:58 | 32 | 8890 | 90.36 | [] |
| 15:59:59 | 53 | 20243 | 90.38 | [] |
| 16:00:00 | 2 | 3395 | 90.37 | [15] |
| 16:00:02 | 46 | 4494556 | 90.35 | [8,41] |
| 16:00:03 | 3 | 9958 | 90.35 | [12] |
| 16:00:04 | 8 | 2407 | 90.35 | [12] |
| 16:00:05 | 1 | 11804 | 90.35 | [12] |
| 16:00:09 | 1 | 12 | 90.35 | [12,37] |
| 16:00:11 | 15 | 91035 | 90.35 | [12,22] |
| 16:00:22 | 1 | 89315 | 90.35 | [12,22,41] |
| 16:00:25 | 10 | 59745 | 90.35 | [12,22,41] |
the exact SQL behind every number
SELECT
formatDateTime(toTimeZone(sip_timestamp, 'America/New_York'), '%H:%i:%S') AS et_time,
count() AS trade_count,
toUInt64(sum(size)) AS volume,
round(toFloat64(argMax(price, sip_timestamp)), 2) AS last_price,
toString(argMax(conditions, size)) AS largest_print_conditions
FROM global_markets.stocks_trades
WHERE ticker = 'KO'
AND sip_timestamp >= toDateTime('2026-08-19 19:59:50', 'UTC')
AND sip_timestamp < toDateTime('2026-08-19 20:00:30', 'UTC')
GROUP BY et_time
ORDER BY et_time
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