- From May 1 through October 31 seasonality is unfavorable, and the market most often finishes lower than it was at the beginning of the period.
- The period from November 1 through April 30 is seasonally favorable, and the market most often finishes the period higher.
Here is a recent chart showing the returns, for the past 20 years, of this Halloween through April bullish seasonality idea.
Superficially, it seems to work.
While the statistical average results for these two periods are quite compelling, trying to ride the market in real-time in hopes of capturing these results is not always as easy as it sounds.
Assume that bull and bear market pressures tend to override seasonal tendencies.