Também é possível estender a teoria de Black-Scholes para opções sobre instrumentos que pagam dividendos discretos proporcionais. Isso é útil quando a opção é baseada em uma única ação. While I am in the fortunate position of being able to jump on the signals as soon as they were received, it was still difficult to place at many of the suggested levels. While I appreciate more than most that the markets move quickly, this seemed to happen quite frequently. This delay may of course be down to the email delivery of notifications. It meant that out of 43 signals that were received, I could only actually place 24 in my account.