$ From the "work scenario" 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. Juice magazine's editor Joram https://pnl32186.bloguerosa.com/33066845/how-pnl-can-save-you-time-stress-and-money