What Is a Stock Split? Ratios and Mechanics
Forward vs reverse splits per year, all US-listed securities, 2016 through June 2026ranking ·
2026-07-26 · 11×3
After the split: median forward returns for 2025's whole-number forward splits vs SPY over the same sessionsscalar ·
2026-07-26 · 1×544
NVDA around its 10-for-1 split: regular-session open and close, last pre-split day vs first post-split dayseries ·
2026-07-26 · 2×3
NVDA trading volume, 20 sessions before vs 20 sessions from its 10-for-1 split (June 10, 2024)ranking ·
2026-07-26 · 2×4
Notable US stock splits since 2020: ratio, how the action was recorded, and the next 21 sessions vs SPYtable ·
2026-07-26 · 15×6
Most common forward split ratios, July 2025 through June 2026: whole-number ratios, all US-listed securitiesranking ·
2026-07-26 · 6×2
A decade of splits, 2016-2025: forward vs reverse totals and the annual scorescalar ·
2026-07-26 · 1×44,122
How Monthly Stock Returns Are Measured
SPY June 2026: price return vs total return (June ex-dividend included)scalar ·
2026-07-26 · 1×6756.4
SPY monthly close-to-close returns: twelve months ending June 2026, simple and logseries ·
2026-07-26 · 12×4
SPY over five years, June 2021 to June 2026: price return vs return with dividendsscalar ·
2026-07-26 · 1×7428.07
NVDA June 2024: a raw close-to-close calc vs the split-adjusted returnscalar ·
2026-07-26 · 1×61,097.46
June 2026 measured two ways: close-to-close vs open-to-close, NVDA and SPYtable ·
2026-07-26 · 2×7
SPY on June 30, 2026: official-close vs the final extended-hours printscalar ·
2026-07-26 · 1×3746.32
Sum vs compound: twelve SPY monthly returns linked three waysscalar ·
2026-07-26 · 1×712
Forward vs reverse splits per year, all US-listed securities, 2016 through June 2026
Forward vs reverse splits per year, all US-listed securities, 2016 through June 2026
| year | forward_splits | reverse_splits |
|---|---|---|
| 2016 | 421 | 726 |
| 2017 | 391 | 707 |
| 2018 | 529 | 526 |
| 2019 | 392 | 606 |
| 2020 | 362 | 685 |
| 2021 | 416 | 491 |
| 2022 | 366 | 622 |
| 2023 | 362 | 837 |
| 2024 | 454 | 871 |
| 2025 | 429 | 1038 |
| 2026 | 233 | 597 |
the exact SQL behind every number
SELECT toYear(execution_date) AS year,
countIf(split_to > split_from) AS forward_splits,
countIf(split_from > split_to) AS reverse_splits
FROM global_markets.stocks_splits
WHERE execution_date >= '2016-01-01' AND execution_date <= '2026-06-30'
GROUP BY year
ORDER BY year
More from this analysisWhat Is a Stock Split? Ratios and Mechanics
Most common forward split ratios, July 2025 through June 2026: whole-number ratios, all US-listed securities
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