SPY distributions by ex-dividend month: inside the May to October window vs outside it
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 2026-08-03, from Does Sell in May and Go Away Work?.
| year | may_oct_dividends_usd | nov_apr_dividends_usd |
|---|---|---|
| 2007 | 1.374 | 1.327 |
| 2008 | 1.36 | 1.361 |
| 2009 | 1.027 | 1.152 |
| 2010 | 1.133 | 1.133 |
| 2011 | 1.253 | 1.323 |
| 2012 | 1.468 | 1.636 |
| 2013 | 1.677 | 1.674 |
| 2014 | 1.876 | 1.96 |
| 2015 | 2.064 | 2.142 |
| 2016 | 2.161 | 2.379 |
| 2017 | 2.418 | 2.384 |
| 2018 | 2.568 | 2.532 |
| 2019 | 2.815 | 2.803 |
| 2020 | 2.705 | 2.986 |
| 2021 | 2.804 | 2.914 |
| 2022 | 3.173 | 3.147 |
| 2023 | 3.222 | 3.412 |
| 2024 | 3.505 | 3.56 |
| 2025 | 3.592 | 3.689 |
- Rows × columns
- 19 × 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 |
number | 2,007 to 2,025 | |
may_oct_dividends_usd |
number | 1.027 to 3.592 | US dollars |
nov_apr_dividends_usd |
number | 1.133 to 3.689 | US dollars |
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 toYear(ex_dividend_date) AS year,
round(sumIf(cash_amount, toMonth(ex_dividend_date) >= 5 AND toMonth(ex_dividend_date) <= 10), 3) AS may_oct_dividends_usd,
round(sumIf(cash_amount, toMonth(ex_dividend_date) < 5 OR toMonth(ex_dividend_date) > 10), 3) AS nov_apr_dividends_usd
FROM global_markets.stocks_dividends
WHERE ticker = 'SPY'
AND cash_amount > 0
AND ex_dividend_date >= toDate('2005-01-01')
AND ex_dividend_date <= toDate('2025-12-31')
GROUP BY year
ORDER BY year
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