: Historically produces high average daily returns; often a "bounce-back" day if Monday was down. Wednesday (Strongest Returns) Average Return : 0.06%.
Based on 98 years of S&P 500 data (through 2026), daily performance trends typically follow these patterns: Average Return : -0.07%. Trend : Over 51% of Mondays since 1928 have finished lower.
: Patterns shift during bear markets, where Mondays and Tuesdays may experience the highest volatility and steepest drops. best and worst day of the week to buy stock
: Historically yields the highest average returns, often due to influential companies reporting earnings mid-week. Thursday (Moderation)
Historically, is considered the best day to buy stocks and the worst day to sell them due to the "Monday Effect," which typically sees prices dip at the start of the week. Conversely, Wednesday and Friday are often cited as the best days for performance, with Wednesday yielding the highest average returns and Friday seeing the highest probability of a positive close. Performance Summary by Day : Historically produces high average daily returns; often
: Often attributed to "weekend effect" news or investor gloom at the start of the work week. Tuesday (Transition) Average Return : 0.062%.
While these historical patterns exist, modern research and platforms like Investopedia and Yahoo Finance suggest several caveats: Trend : Over 51% of Mondays since 1928 have finished lower
: Trading spreads and commissions often exceed the tiny percentage differences (hundredths of a percent) found in day-of-the-week trends.