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US stock splits per month, forward and reverse

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 2026-08-07, from Time in Force Explained: Day, GTC, IOC, FOK.

as of series 12×3read in context →
US stock splits per month, forward and reverse — 12 rows by 3 columns, computed from US exchange, SIP and OPRA data.
monthforward_splitsreverse_splits
2025-084176
2025-095595
2025-103288
2025-113169
2025-1248130
2026-012169
2026-022589
2026-0356135
2026-043297
2026-0540102
2026-0659105
2026-0745119
Rows × columns
12 × 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 US stock splits per month, forward and reverse, derived from the stored result.
ColumnTypeRangeNotes
month text 12 distinct values (2025-08, 2025-09, 2025-10…)
forward_splits number 21 to 59
reverse_splits number 69 to 135

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(toStartOfMonth(execution_date), '%Y-%m')            AS month,
    countDistinctIf(id, toFloat64(split_to) > toFloat64(split_from))   AS forward_splits,
    countDistinctIf(id, toFloat64(split_to) < toFloat64(split_from))   AS reverse_splits
FROM global_markets.stocks_splits
WHERE execution_date >= toDate('2025-08-01')
  AND execution_date <  toDate('2026-08-01')
GROUP BY month
ORDER BY month
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