ExIRExIR 16711 bronze badge $endgroup$ 1 $begingroup$ Thanks for encouraging, but does that suggest theta pnl only partially offsets Gamma pnl instead of totally even when implied vol = realized vol? Because assuming interest prices are zero, there isn't any other source of building income. $endgroup$ Having said that, the https://pnl70123.laowaiblog.com/33074798/the-ultimate-guide-to-pnl