$ While in the "get the job done situation" you liquidate the portfolio at $t_1$ realising its PnL (allow me to simplify the notation a bit) $begingroup$ Assuming that you're Operating for your financial institution, you will discover 3 diverse P&Ls depending upon the perform/ use: PNL were set to https://chancevchko.jts-blog.com/33065510/not-known-details-about-pnl