The worst days of the year: Which calendar days have been weakest for stocks?
The 20 weakest 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 weakest single day has been Oct 19 (average −0.58%, up 44% of years).
| # | Day | Average | Years up | Years |
|---|---|---|---|---|
| 1 | Oct 19 | −0.578% | 44% | 48 |
| 2 | Nov 19 | −0.353% | 43% | 49 |
| 3 | Sep 29 | −0.351% | 44% | 50 |
| 4 | Jan 20 | −0.333% | 39% | 46 |
| 5 | Oct 22 | −0.321% | 35% | 49 |
| 6 | Sep 21 | −0.299% | 33% | 49 |
| 7 | Feb 21 | −0.284% | 28% | 39 |
| 8 | Feb 27 | −0.271% | 50% | 50 |
| 9 | Sep 23 | −0.246% | 33% | 51 |
| 10 | Sep 17 | −0.240% | 50% | 50 |
| 11 | Jun 9 | −0.234% | 40% | 50 |
| 12 | Oct 9 | −0.221% | 50% | 50 |
| 13 | Dec 3 | −0.221% | 45% | 49 |
| 14 | Mar 7 | −0.219% | 46% | 50 |
| 15 | Dec 14 | −0.217% | 40% | 48 |
| 16 | Apr 4 | −0.215% | 51% | 47 |
| 17 | Jun 26 | −0.212% | 38% | 50 |
| 18 | Apr 7 | −0.210% | 49% | 49 |
| 19 | Oct 26 | −0.208% | 50% | 48 |
| 20 | Aug 19 | −0.196% | 45% | 51 |
Patterns describe the past and can stop working. Not investment advice.
See it in the calendar →Other patterns
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