After you then arrange the portfolio once again by borrowing $S_ t_1 $ at charge $r$ you are able to realise a PnL at $t_2$ of WillWill 13344 bronze badges $endgroup$ 4 $begingroup$ Did you not say in the beginning that $V$ is self-financing? In that circumstance there's no Price https://garrettfmruy.bloggadores.com/33278023/the-definitive-guide-to-pnl