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.
| ratio_bucket | reverse_split_count | share_pct |
|---|---|---|
| 1-for-2 up to 1-for-5 | 233 | 22.9 |
| 1-for-6 up to 1-for-10 | 291 | 28.6 |
| 1-for-11 up to 1-for-25 | 231 | 22.7 |
| 1-for-26 up to 1-for-50 | 110 | 10.8 |
| steeper than 1-for-50 | 153 | 15 |
- Rows × columns
- 5 × 3
- Computed
- Completeness
- No missing values
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
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))
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