The PnL in between $t$ and $T$ is definitely the sum of all incrementals PnLs. That is certainly if we denote by $PnL_ uto v $ the PnL in between periods $u$ and $v$, then If you hedge each and every moment, you wouldn't understand the complete pnl with the https://exactlybookmarks.com/story19210399/considerations-to-know-about-pnl