Up 1 day, the next day has 53% chances to close up.
Up 1 week, the next week has 54% chances to close up, 76% chances to make a higher high.
Down 4 weeks in a row, the next week has 68% chances to close up.
Down 4 weeks, buy SPY at the weekly close, HOLD until the very first up week, you have 80% chances to make money with profit factor 5.3 which is very good.