This calendar date in every earlier year
For the build date, what each stored series did on the same calendar date in every earlier year with a session: the share of years it rose, the median, the best and the worst. Rebuilt daily. Historical context, not a forecast.
Findings
- On October 26 the S&P 500 (SPY) has closed higher in 11 of 24 earlier years (46%), with a median move of −0.06% — a small sample with no mechanism behind it, which is the point.
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Method
Only years with a session on exactly this calendar date are counted; a weekend or holiday is absent, not shifted. Moves are close-to-close percentage changes. Sources: Daily closes from Federal Reserve Bank of St. Louis (FRED), Twelve Data; series and identifiers in the source manifest at /market-memory/source-manifest.json. Definitions and biases on the Market Memory methodology page.
Use it
Free to reuse with attribution: “Source: Wealth Signal Market Memory (https://www.wealthsignalnyc.com/research/this-day-in-market-history/), as of 2026-10-26.” The CSV holds derived statistics only — frequencies, percentage changes, counts and dates — and no index level, which is the licensed thing.
| series | calendar date | years with session | years higher | share higher pct | median move pct | best move pct | best year | worst move pct | worst year | as of |
|---|---|---|---|---|---|---|---|---|---|---|
| S&P 500 (SPY) | 10-26 | 24 | 11 | 45.8 | -0.062 | 1.529 | 2004 | -1.848 | 2020 | 2026-10-26 |
| Nasdaq Composite | 10-26 | 39 | 17 | 43.6 | -0.159 | 1.939 | 2007 | -8.997 | 1987 | 2026-10-23 |
| Dow Jones (DIA) | 10-26 | 21 | 12 | 57.1 | 0.033 | 1.433 | 2004 | -2.238 | 2020 | 2026-10-26 |
| Russell 2000 (IWM) | 10-26 | 19 | 9 | 47.4 | 0.0 | 1.724 | 2011 | -2.159 | 2020 | 2026-10-26 |
| VIX | 10-26 | 25 | 14 | 56.0 | 0.413 | 17.822 | 2020 | -7.605 | 2007 | 2026-10-23 |
| Bitcoin | 10-26 | 11 | 8 | 72.7 | 0.747 | 6.622 | 2019 | -4.376 | 2021 | 2026-10-25 |
| Gold | 10-26 | 34 | 15 | 44.1 | -0.034 | 2.093 | 2007 | -3.183 | 1999 | 2026-10-26 |
| WTI crude oil | 10-26 | 28 | 17 | 60.7 | 0.339 | 2.83 | 2022 | -3.843 | 1990 | 2026-10-20 |
| Apple | 10-26 | 33 | 14 | 42.4 | 0.0 | 5.641 | 1992 | -21.127 | 1987 | 2026-10-26 |
| Microsoft | 10-26 | 29 | 16 | 55.2 | 0.165 | 9.503 | 2007 | -18.653 | 1987 | 2026-10-26 |
| NVIDIA | 10-26 | 20 | 9 | 45.0 | -0.395 | 9.757 | 1999 | -7.139 | 2001 | 2026-10-26 |
| Amazon | 10-26 | 21 | 11 | 52.4 | 0.082 | 15.686 | 2000 | -13.905 | 2005 | 2026-10-26 |
| Alphabet | 10-26 | 17 | 7 | 41.2 | -0.308 | 2.459 | 2005 | -9.141 | 2022 | 2026-10-26 |
| Meta Platforms | 10-26 | 10 | 2 | 20.0 | -2.722 | 1.546 | 2015 | -5.592 | 2022 | 2026-10-26 |
| Tesla | 10-26 | 12 | 6 | 50.0 | 0.026 | 6.082 | 2026 | -3.135 | 2023 | 2026-10-26 |