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 2026-09-22, from stock-splits-in-india-face-value.
| year | forward_splits | reverse_splits |
|---|---|---|
| 2015 | 491 | 719 |
| 2016 | 416 | 725 |
| 2017 | 379 | 701 |
| 2018 | 516 | 524 |
| 2019 | 388 | 606 |
| 2020 | 352 | 679 |
| 2021 | 404 | 488 |
| 2022 | 362 | 622 |
| 2023 | 358 | 834 |
| 2024 | 451 | 867 |
| 2025 | 424 | 1036 |
- Rows × columns
- 11 × 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 |
|---|---|---|---|
year |
text | 11 distinct values (2015, 2016, 2017…) | |
forward_splits |
number | 352 to 516 | |
reverse_splits |
number | 488 to 1,036 |
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,
countIf(ratio > 1) AS forward_splits,
countIf(ratio < 1) AS reverse_splits
FROM
(
SELECT
ticker,
execution_date,
any(toFloat64(split_to)) / any(toFloat64(split_from)) AS ratio
FROM global_markets.stocks_splits
WHERE execution_date >= '2015-01-01'
AND execution_date < toStartOfYear(today())
AND split_from > 0
AND split_to > 0
AND ticker NOT IN ('SPCX')
GROUP BY ticker, execution_date
)
GROUP BY year
ORDER BY year