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Large recent debuts, first month on one ruler: first trade to the day-28 close (ET regular hours)

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 SPCX: The Week It Went Underwater.

as of table 7×8read in context →
Large recent debuts, first month on one ruler: first trade to the day-28 close (ET regular hours) — 7 rows by 8 columns, computed from US exchange, SIP and OPRA data.
tickerlistedissue_pxfirst_trade_openday28_closeopen_to_day28_pctissue_to_day28_pctis_spcx
VG2025-01-242524.0515.39-36-38.40
CBRS2026-05-14185350227-35.122.70
KLAR2025-09-10405242.17-18.95.40
SPCX2026-06-12135150145.4-3.17.71
LINE2024-07-25788284.382.98.20
CRWV2025-03-28403941.566.63.90
MDLN2025-12-17293543.3823.949.60
Rows × columns
7 × 8
Period covered
to
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 Large recent debuts, first month on one ruler: first trade to the day-28 close (ET regular hours), derived from the stored result.
ColumnTypeRangeNotes
ticker text 7 distinct values (CBRS, CRWV, KLAR…)
listed date 2024-07-25 to 2026-06-12
issue_px number 25 to 185
first_trade_open number 24.05 to 350 US dollars
day28_close number 15.39 to 227 US dollars
open_to_day28_pct number -36 to 23.9 percent
issue_to_day28_pct number -38.4 to 49.6 percent
is_spcx number 0 to 1

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
    b.ticker AS ticker,
    toString(any(i.ld)) AS listed,
    round(any(i.ipx), 2) AS issue_px,
    round(argMinIf(toFloat64(b.open), b.window_start, rth), 2) AS first_trade_open,
    round(argMaxIf(toFloat64(b.close), b.window_start, rth), 2) AS day28_close,
    round((argMaxIf(toFloat64(b.close), b.window_start, rth) / argMinIf(toFloat64(b.open), b.window_start, rth) - 1) * 100, 1) AS open_to_day28_pct,
    round((argMaxIf(toFloat64(b.close), b.window_start, rth) / any(i.ipx) - 1) * 100, 1) AS issue_to_day28_pct,
    toUInt8(b.ticker = 'SPCX') AS is_spcx
FROM global_markets.delayed_stocks_minute_aggs AS b
INNER JOIN (
    SELECT ticker, max(listing_date) AS ld, argMax(toFloat64(final_issue_price), listing_date) AS ipx
    FROM global_markets.stocks_ipos
    WHERE ticker IN ('SPCX', 'CRWV', 'CBRS', 'KLAR', 'VG', 'MDLN', 'LINE')
    GROUP BY ticker
) AS i ON b.ticker = i.ticker
WHERE b.ticker IN ('SPCX', 'CRWV', 'CBRS', 'KLAR', 'VG', 'MDLN', 'LINE')
  AND b.window_start >= toDateTime('2024-07-25 00:00:00')
  AND b.window_start < toDateTime('2026-07-11 00:00:00')
  AND toDate(toTimeZone(b.window_start, 'America/New_York')) >= i.ld
  AND toDate(toTimeZone(b.window_start, 'America/New_York')) <= i.ld + 28
  AND ((toHour(toTimeZone(b.window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(b.window_start, 'America/New_York'))) BETWEEN 570 AND 959) AS rth
GROUP BY b.ticker
ORDER BY open_to_day28_pct

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More from this analysisSPCX: The Week It Went Underwater
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