### Comment:
but what does standard deviation have to do w/ that? it's the fake news that's moving the markets not math.

### REPLY:
Its a statistics thing, with the idea being that stock revert to the mean, kinda like gravity. But algos adhere to std pretty hard, they have incredibly rejections and bounces when they cross over them. Im guessing algos are put into a 'different', more sensitive mode when they cross them.

### END.