ExIRExIR 16711 bronze badge $endgroup$ 1 $begingroup$ Thanks for assisting, but does that imply theta pnl only partially offsets Gamma pnl and not fully whether or not implied vol = realized vol? Since assuming interest rates are zero, there isn't any other source of building dollars. $endgroup$ $begingroup$ I estimate https://www.youtube.com/watch?v=qMmsQ4kKgY4