ExIRExIR 16711 bronze badge $endgroup$ 1 $begingroup$ Thanks for serving to, but does that mean theta pnl only partially offsets Gamma pnl and not totally regardless of whether implied vol = understood vol? For the reason that assuming fascination prices are zero, there isn't any other source of producing income. https://www.youtube.com/watch?v=qMmsQ4kKgY4