Do the NDX PX and NQ PX values also incorporate the QQQ gamma into the levels? Or is it just based on NDX gamma? NDX “Combo Strikes” incorporate QQQ gamma. Related articles In terms of risk on/off how do we interpret different Vol Triggers for SPY/SPX and QQQ/NDX? Is negative call gamma bullish? What is Gamma, Market Gamma and/or Total Market Gamma? What is the SpotGamma Gamma Index? How is SG for SPX negative but positive for SPY?