ExIRExIR 16711 bronze badge $endgroup$ 1 $begingroup$ Many thanks for aiding, but does that mean theta pnl only partly offsets Gamma pnl rather than absolutely even if implied vol = realized vol? Mainly because assuming fascination premiums are zero, there is absolutely no other supply of building revenue. $endgroup$ Depreciation https://www.youtube.com/watch?v=qMmsQ4kKgY4