Down 3 days in a row, the next day has 59% chances to close up.
Down 3 days in a row, buy SPY at the close, HOLD until the very first day SPY closes up, you have 74% chances to make money with profit factor 2.0 which is good enough.
Regarding "Down 3 days in a row, buy SPY at the close, HOLD until the very first day SPY closes up, you have 74% chances to make money with profit factor 2.0 which is good enough."
What is the stat if considering the cases below 200MA only?