$ During the "get the job done situation" you liquidate the portfolio at $t_1$ realising its PnL (let me 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. "hitparade.ch https://www.youtube.com/watch?v=qMmsQ4kKgY4