best performing days of the week in spy

SPY has had its highest average return by day of the week since January 29, 1993 on Wednesdays, averaging a 0% return.

ASSET DAY % RETURN
SPY
Wednesday
0.02%
SPY
Monday
0.02%
SPY
Tuesday
0%
SPY
Thursday
0%
SPY
Friday
-0.01%