ExIRExIR 16711 bronze badge $endgroup$ 1 $begingroup$ Many thanks for aiding, but does that imply theta pnl only partly offsets Gamma pnl and never entirely even though implied vol = realized vol? Simply because assuming curiosity prices are zero, there's no other supply of earning income. $endgroup$ $begingroup$ I estimate https://www.youtube.com/watch?v=qMmsQ4kKgY4