STRASMORE/EXPLORE 2,214 QUERIES

ratio_buckets

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 2026-09-12, from what-happens-after-a-reverse-stock-split.

as of ranking 5×3read in context →
ratio_buckets — 5 rows by 3 columns, computed from US exchange, SIP and OPRA data.
ratio_bucketreverse_split_countshare_pct
1-for-2 up to 1-for-523322.9
1-for-6 up to 1-for-1029128.6
1-for-11 up to 1-for-2523122.7
1-for-26 up to 1-for-5011010.8
steeper than 1-for-5015315
Rows × columns
5 × 3
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 ratio_buckets, derived from the stored result.
ColumnTypeRangeNotes
ratio_bucket text 5 distinct values
reverse_split_count number 110 to 291 count
share_pct number 10.8 to 28.6 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
    tupleElement(band, 1)                                                          AS ratio_bucket,
    countIf(ratio >= tupleElement(band, 2) AND ratio < tupleElement(band, 3))      AS reverse_split_count,
    round(100 * countIf(ratio >= tupleElement(band, 2) AND ratio < tupleElement(band, 3)) / count(), 1) AS share_pct
FROM
(
    SELECT
        ticker,
        toDate(execution_date)                              AS execution_date,
        max(toFloat64(split_from) / toFloat64(split_to))    AS ratio
    FROM global_markets.stocks_splits
    WHERE split_to < split_from
      AND toDate(execution_date) >= '2025-03-01'
      AND toDate(execution_date) <  '2026-03-01'
      AND ticker NOT IN ('SPCX')
    GROUP BY ticker, execution_date
)
ARRAY JOIN
[
    ('1-for-2 up to 1-for-5',    1.0,   5.5),
    ('1-for-6 up to 1-for-10',   5.5,  10.5),
    ('1-for-11 up to 1-for-25', 10.5,  25.5),
    ('1-for-26 up to 1-for-50', 25.5,  50.5),
    ('steeper than 1-for-50',   50.5, 1.0e9)
] AS band
GROUP BY ratio_bucket
ORDER BY min(tupleElement(band, 2))

Run your own version of this

The same 22 years of US equities and 12 years of options data are queryable in SQL or plain English. A free account runs 100 queries a day and takes no card.

More from this analysiswhat-happens-after-a-reverse-stock-split
forward_returns ranking 3×4 monthly_counts series 24×5 weekly_leaders ranking 25×4 Annualized volatility vs total return, 25 large caps, calmest to wildest (~2 years) ranking 25×3 SPY options median spread by expiration date, near-the-money strikes only ranking 25×4 When market headlines publish, by New York clock hour ranking 24×2 See all 2,214 queries →