s and p 500 day of week returns in 2021

The S&P 500 (GSPC) had its highest average return by day of the week in 2021 on Thursdays, averaging a 0.1% return.

ASSET DAY % RETURN
the S&P 500 (GSPC)
Monday
0.07%
the S&P 500 (GSPC)
Tuesday
-0.04%
the S&P 500 (GSPC)
Wednesday
0.03%
the S&P 500 (GSPC)
Thursday
0.13%
the S&P 500 (GSPC)
Friday
0.09%