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Forward and reverse stock splits per year, 2016 to today

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 2026-08-22, from How Often Do Stocks Split?.

as of ranking 11×3read in context →
Forward and reverse stock splits per year, 2016 to today — 11 rows by 3 columns, computed from US exchange, SIP and OPRA data.
yearforward_splitsreverse_splits
2016172726
2017219707
2018196526
201995606
2020117685
2021174491
2022130622
2023165837
2024257871
20252401038
2026183778
Rows × columns
11 × 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 Forward and reverse stock splits per year, 2016 to today, derived from the stored result.
ColumnTypeRangeNotes
year text 11 distinct values (2016, 2017, 2018…)
forward_splits number 95 to 257
reverse_splits number 491 to 1,038

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 toString(toYear(execution_date)) AS year,
       countIf(adjustment_type = 'forward_split') AS forward_splits,
       countIf(adjustment_type = 'reverse_split') AS reverse_splits
FROM global_markets.stocks_splits
WHERE execution_date BETWEEN toDate('2016-01-01') AND today()
GROUP BY year
ORDER BY year

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