ExIRExIR 16711 bronze badge $endgroup$ one $begingroup$ Thanks for helping, but does that suggest theta pnl only partially offsets Gamma pnl and not totally even when implied vol = understood vol? Simply because assuming interest costs are zero, there isn't a other supply of building funds. $endgroup$ Column 9: Impact https://www.youtube.com/watch?v=qMmsQ4kKgY4