ExIRExIR 16711 bronze badge $endgroup$ one $begingroup$ Many thanks for assisting, but does that suggest theta pnl only partially offsets Gamma pnl rather than thoroughly although implied vol = understood vol? Because assuming interest costs are zero, there isn't a other supply of building dollars. $endgroup$ Meanwhile it's the conclusion https://www.youtube.com/watch?v=qMmsQ4kKgY4