ExIRExIR 16711 bronze badge $endgroup$ one $begingroup$ Thanks for assisting, but does that imply theta pnl only partly offsets Gamma pnl instead of fully although implied vol = understood vol? For the reason that assuming desire fees are zero, there is not any other supply of producing funds. $endgroup$ WillWill https://www.youtube.com/watch?v=qMmsQ4kKgY4