Summation Tick Overbought still

The very bullish looking 120  minute chart formation is tempered by the overbought summation tick which suggests limited buying power compared to 2 weeks ago.

Scalping alert for Mick

     

How Cool is this? What is this indicator?

I got this idea from reading some pages from Gartley.  yes, it was HIS  idea over 80 years ago.  Anyone know what it is? ...
Linda Raschke
Linda is a world renowned trader with a top-notch track record spanning almost four decades.
>