CONSIDERATIONS TO KNOW ABOUT PNL

If you then build the portfolio all over again by borrowing $S_ t_1 $ at price $r$ it is possible to realise a PnL at $t_2$ ofWillWill 13344 bronze badges $endgroup$ 4 $begingroup$ Did you not say initially that $V$ is self-funding? In that circumstance there is no cost to finance it and the PnL is often just $V_T-V_t$ between any two time points.