$ Within the "work case" you liquidate the portfolio at $t_1$ realising its PnL (allow me to simplify the notation a tad) 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 has assisted A https://www.youtube.com/watch?v=qMmsQ4kKgY4