$ Within the "function scenario" you liquidate the portfolio at $t_1$ realising its PnL (allow me to simplify the notation a tad) WillWill 13344 bronze badges $endgroup$ four $begingroup$ Did you not say at first that $V$ is self-financing? In that case there is no Price tag to finance it https://pnl09742.pointblog.net/the-smart-trick-of-pnl-that-nobody-is-discussing-77907916