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The best days of the year: Which calendar days have been strongest for stocks?

The 20 strongest calendar days for the S&P 500 since 1957, ranked by their average one-day return across every year the date was a trading day. The strongest single day has been Dec 26 (average +0.55%, up 82% of years).

#DayAverageYears upYears
1Dec 26+0.549%82%39
2Oct 28+0.532%70%50
3Nov 24+0.508%79%39
4Apr 9+0.491%64%45
5Apr 17+0.433%69%48
6Oct 20+0.357%61%49
7Mar 17+0.345%62%50
8May 27+0.333%58%43
9Jul 3+0.323%75%40
10Oct 13+0.321%52%50
11Oct 29+0.320%56%48
12Nov 5+0.313%70%46
13Mar 26+0.310%58%50
14Nov 3+0.308%66%47
15Nov 2+0.304%63%46
16Dec 16+0.302%62%50
17Mar 1+0.297%60%48
18Jan 31+0.293%61%49
19Oct 5+0.292%61%49
20Nov 21+0.288%64%50

Patterns describe the past and can stop working. Not investment advice.

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