What is the seasonal pattern for stock market performance? A widely cited seasonal pattern is that stocks tend to be stronger from November through April and weaker from May through October . The pattern is often summarized as “sell in May and go away,” though it is a tendency, not a rule. Typical seasonal pattern Stronger months: November, December, January, March, April, and often October. Weaker months: May through September, with September often standing out as especially weak. Year-end strength: November and December frequently benefit from improved sentiment and the “Santa Claus rally” effect. Why it may happen Seasonality is usually linked to recurring behavior rather than a single cause: holiday spending, portfolio rebalancing, tax-loss selling, earnings timing, and lighter summer trading volumes. Some analysts also note that January can be helped by new flows into the market and small...
Investment and economic observations by N. Russell Wayne, CFP, MBA. Mr. Wayne is the president of Sound Asset Management, inc. and former Managing Editor of The Value Line Investment Survey.