When 21 day realized vol Drops below 8

For stat/quant people

last 4 times marked on chart 

that 21 DAY realized vol dropped below 8....first arrow is when it dropped below 8....then grey box the time it spent before it jumped out...2nd arrow, the last day it remained sub 8.....

3 bear porn snapshots and 1 mega bull porn snapshot 

lol

on 11/8 we dropped below 8 on 21 day realized vol...clock started