STRASMORE/EXPLORE 2,170 QUERIES

Debut-day anatomy: the 11:34 IPO cross, day volume, venue split, and the closing cross

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 2026-07-26, from SK Hynix's Nasdaq Debut, Measured.

as of scalar 1×7read in context →
first print et
11:34:47
first print px
170
matched shares m
107.7
closing cross shares m
0.82
official close
168.01
cross pct of day
0.8
off exchange pct
33
Rows × columns
1 × 7
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 Debut-day anatomy: the 11:34 IPO cross, day volume, venue split, and the closing cross, derived from the stored result.
ColumnTypeRangeNotes
first_print_et text 1 distinct value (11:34:47)
first_print_px number every row is 170
matched_shares_m number every row is 107.7 count
closing_cross_shares_m number every row is 0.82 count
official_close number every row is 168.01 US dollars
cross_pct_of_day number every row is 0.8 percent
off_exchange_pct number every row is 33 percent

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.

the exact SQL behind every number 
SELECT
    formatDateTime(toTimeZone(min(sip_timestamp), 'America/New_York'), '%H:%i:%S') AS first_print_et,
    round(toFloat64(argMin(price, sip_timestamp)), 2) AS first_print_px,
    round(toFloat64(sumIf(size, NOT hasAny(conditions, [15, 16, 38]))) / 1e6, 1) AS matched_shares_m,
    round(toFloat64(maxIf(size, has(conditions, 8))) / 1e6, 2) AS closing_cross_shares_m,
    round(toFloat64(argMaxIf(price, (size, sip_timestamp), has(conditions, 8))), 2) AS official_close,
    round(100 * toFloat64(maxIf(size, has(conditions, 8))) / toFloat64(sumIf(size, NOT hasAny(conditions, [15, 16, 38]))), 1) AS cross_pct_of_day,
    round(100 * toFloat64(sumIf(size, exchange = 4 AND NOT hasAny(conditions, [15, 16, 38]))) / toFloat64(sumIf(size, NOT hasAny(conditions, [15, 16, 38]))), 1) AS off_exchange_pct
FROM global_markets.stocks_trades
WHERE ticker = 'SKHYV'
  AND sip_timestamp >= '2026-07-10 00:00:00' AND sip_timestamp < '2026-07-11 00:00:00'

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