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4lex @_4lex_4 · 01 Sep 2026

September has the sharpest intra-month seasonality variance for SPY, of any month besides Feb. 1h-Sept is strong but volatile, but 2h-Sept is very weak. 2h-Sept usually coincides with the famously weak "sell Rosh Hashanah, buy Yom Kippur" period (Sept 12-21 in 2026). https://t.co/ocsDHGOclW
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