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Post by Dr Brana Vojcic

Published Oct 03, 2026Updated Oct 03, 20262 min read

Stock Market Seasonality - Part 1

· October marks the end of the seasonally unfavorable May-October period, often referred to as “Sell in May and Go Away.”

· The chart below shows how the Dow Jones Industrial Average compares to the average of the last 25 years.

· This seasonality pattern worked well this year for DJI, small-caps, and the equal-weight S&P 500, but not so much for the cap-weighted S&P 500 and the NASDAQ 100, which are dominated by several mega-caps, including the Magnificent 7 stocks.



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