CP Gamma Tilt is the ratio of total call gamma to total put gamma. 

Why does CP Gamma Tilt matter?

Sharp changes in this ratio may indicate a shift in trader sentiment. This is much like a standard “Put Call Ratio” however we apply a “gamma weighting” which we believe makes the indicator more applicable to market positioning. 

How to use CP Gamma Tilt

If the ratio increases it’s considered a bullish signal, when decreasing it’s a bearish signal.