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The day-of-the-week effect: Which day of the week is best for stocks?

Since 1957, the S&P 500's strongest weekday on average has been Wednesday (+0.075%) and its weakest Monday (−0.037%). Since 2006 the order has been different: strongest Tuesday (+0.081%), weakest Thursday (+0.020%).

Monday: −0.04%MondayTuesday: +0.05%TuesdayWednesday: +0.08%WednesdayThursday: +0.03%ThursdayFriday: +0.05%Friday
Average daily S&P 500 return by weekday, since 1957.
DayAvg since 1957UpAvg since 2006Up
Monday−0.037%50%+0.021%55%
Tuesday+0.049%51%+0.081%52%
Wednesday+0.075%55%+0.054%55%
Thursday+0.029%53%+0.020%55%
Friday+0.052%55%+0.032%55%

Patterns describe the past and can stop working. Not investment advice.

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