$ During the "do the job situation" you liquidate the portfolio at $t_1$ realising its PnL (allow me to simplify the notation a tiny bit) La agudeza sensorial se refiere a la capacidad de observar o detectar pequeños detalles para ser conscientes de lo que ocurre a nuestro alrededor. David https://travisrwzbe.weblogco.com/34207386/the-best-side-of-pnl