Beware of September Seasonality

“Traders figuring out their September trading strategies should definitely take note.

I’m not the first commentator to note September’s dismal seasonal tendencies, of course. But what I found particularly surprising: The odds are against September even in years like the current one — in which the stock market is rallying strongly, and coming a few short weeks prior to a presidential election.

Those at least are the conclusions that emerged upon feeding into my PC’s statistical software the data for the Dow Jones Industrial Average DJIA -0.54%   back to 1896, when that benchmark was created.”

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