ExIRExIR 16711 bronze badge $endgroup$ 1 $begingroup$ Many thanks for serving to, but does that signify theta pnl only partly offsets Gamma pnl instead of absolutely even when implied vol = understood vol? Simply because assuming interest fees are zero, there is not any other source of earning funds. $endgroup$ https://www.youtube.com/watch?v=qMmsQ4kKgY4