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KO second by second: the last ten seconds of continuous trading and the closing auction (Aug 19, 2026)

Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-09-28, from NYSE Closing Auction Explained: How It Works.

as of series 19×5read in context →
KO second by second: the last ten seconds of continuous trading and the closing auction (Aug 19, 2026) — 19 rows by 5 columns, computed from US exchange, SIP and OPRA data.
et_timetrade_countvolumelast_pricelargest_print_conditions
15:59:5067416990.33[14,41]
15:59:5151340790.34[]
15:59:5266471490.35[]
15:59:5358790090.34[14,41]
15:59:54751522590.34[14,41]
15:59:55851580390.34[]
15:59:5643639190.34[14,41]
15:59:5738502290.38[14,41]
15:59:5832889090.36[]
15:59:59532024390.38[]
16:00:002339590.37[15]
16:00:0246449455690.35[8,41]
16:00:033995890.35[12]
16:00:048240790.35[12]
16:00:0511180490.35[12]
16:00:0911290.35[12,37]
16:00:11159103590.35[12,22]
16:00:2218931590.35[12,22,41]
16:00:25105974590.35[12,22,41]
Rows × columns
19 × 5
Computed
Completeness
No missing values
Source
US exchange, SIP and OPRA market data
Licence
Strasmore terms · free, no signup
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for KO second by second: the last ten seconds of continuous trading and the closing auction (Aug 19, 2026), derived from the stored result.
ColumnTypeRangeNotes
et_time text 19 distinct values (15:59:50, 15:59:51, 15:59:52…)
trade_count number 1 to 85 count
volume number 12 to 4,494,556 count
last_price number 90.33 to 90.38 US dollars
largest_print_conditions text 8 distinct values ([12,22,41], [12,22], [12,37]…)

Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on , and the query below is what returned them.

Run it yourself

This is the exact query behind the result above. Change a ticker, a date or a column and run it against the warehouse — no account, no key. The no-signup tier is smaller than the one this page was computed on; a query that reaches past it comes back saying which plan runs it.

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
⌘/Ctrl + Enter

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More from this analysisNYSE Closing Auction Explained: How It Works
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