Seasonal Patterns – Best and Worst Months for the Stock Market, Summary Table (20-year averages)
Up Months | Weak Months | Best 3 Months | Worst Months | |
NYSE Composite | March, April, July, October, November, December | January, February, May, June, August, September | April, July, November | June, August, September |
S&P 500 | February March, April, May, July, August, October, November, December | January, June, September | April, July, November | June, September |
Nasdaq 100 | January, March, April, May, July, August, October, November, December | February, June, September | April, July, October/November | February, June, September |