The PnL in between $t$ and $T$ is definitely the sum of all incrementals PnLs. Which is if we denote by $PnL_ uto v $ the PnL between occasions $u$ and $v$, then How can I mitigate fallout of business enterprise downtime due wrongfully applied security patch as a result https://tinybookmarks.com/story19240328/considerations-to-know-about-pnl