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Most common forward split ratios, July 2025 through June 2026: whole-number ratios, all US-listed securities

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 What Is a Stock Split? Ratios and Mechanics.

as of ranking 6×2read in context →
Most common forward split ratios, July 2025 through June 2026: whole-number ratios, all US-listed securities — 6 rows by 2 columns, computed from US exchange, SIP and OPRA data.
ratiosplits
2-for-176
3-for-151
5-for-140
4-for-134
10-for-118
8-for-16
Rows × columns
6 × 2
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 Most common forward split ratios, July 2025 through June 2026: whole-number ratios, all US-listed securities, derived from the stored result.
ColumnTypeRangeNotes
ratio text 6 distinct values (10-for-1, 2-for-1, 3-for-1…)
splits number 6 to 76

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 concat(toString(toInt32(split_to)), '-for-1') AS ratio,
       count() AS splits
FROM global_markets.stocks_splits
WHERE execution_date >= '2025-07-01' AND execution_date <= '2026-06-30'
  AND split_from = 1 AND split_to >= 2 AND split_to = round(split_to)
GROUP BY ratio
ORDER BY splits DESC
LIMIT 6

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