Either this is another coincidence, either there is value in this indicator. 

Posted on 08/06 when $SPX $SPY $ES $ES_F was above 3.200. Down 3% in the meantime. 

Now, another strategy using TA shows a break of the trendline of late March for the first time. https://t.co/xK9PVEWnqW https://t.co/sdbcAdjNVx