Is today's S&P 500 move unusual?

Describes the past; not a signal. Pre-licensed data — internal estimates, to be re-verified after our licensed data rebuild.

Close on 4 Nov 2026: +1.58%

Unusual — at or above the 90th percentile of the past year

Size of the move vs the previous 252 sessions: bigger than 94% of them. Usual size (middle half): 0.24% to 0.83%.

Last 20 sessions

DateOne-day changeBigger than (past year)Reading
4 Nov 2026+1.58%94%unusual
3 Nov 2026+0.36%37%usual
2 Nov 2026-0.51%51%usual
30 Oct 2026-1.82%98%unusual
29 Oct 2026-0.30%34%usual
28 Oct 2026+0.28%31%usual
27 Oct 2026+0.60%58%usual
26 Oct 2026+0.70%65%usual
23 Oct 2026-0.52%51%usual
22 Oct 2026-1.21%88%larger
21 Oct 2026+0.58%56%usual
20 Oct 2026+0.28%32%usual
19 Oct 2026+0.41%42%usual
16 Oct 2026-1.09%84%larger
15 Oct 2026+0.33%35%usual
14 Oct 2026-1.11%84%larger
13 Oct 2026-0.02%4%quieter
12 Oct 2026-0.06%8%quieter
9 Oct 2026+0.59%58%usual
8 Oct 2026-0.47%47%usual

Nasdaq 100 · Dow Jones Industrial Average · Russell 2000