market_splits_by_year
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 2026-10-02, from wmt-stock-split-history.
| year | companies_splitting |
|---|---|
| 2010 | 459 |
| 2011 | 385 |
| 2012 | 352 |
| 2013 | 376 |
| 2014 | 349 |
| 2015 | 397 |
| 2016 | 344 |
| 2017 | 353 |
| 2018 | 422 |
| 2019 | 299 |
| 2020 | 298 |
| 2021 | 341 |
| 2022 | 295 |
| 2023 | 304 |
| 2024 | 397 |
| 2025 | 372 |
- Rows × columns
- 16 × 2
- 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 |
|---|---|---|---|
year |
text | 16 distinct values (2010, 2011, 2012…) | |
companies_splitting |
number | 295 to 459 |
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
toString(toYear(execution_date)) AS year,
countDistinct(ticker) AS companies_splitting
FROM global_markets.stocks_splits
WHERE execution_date >= '2010-01-01'
AND execution_date < '2026-01-01'
AND toFloat64(split_to) > toFloat64(split_from)
AND ticker NOT IN ('SPCX')
GROUP BY year
ORDER BY year
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