ExIRExIR 16711 bronze badge $endgroup$ one $begingroup$ Many thanks for aiding, but does that indicate theta pnl only partly offsets Gamma pnl and not entirely even if implied vol = recognized vol? Because assuming interest rates are zero, there isn't a other source of producing dollars. $endgroup$ the identified threat https://www.youtube.com/watch?v=qMmsQ4kKgY4