Valuation of Put Option using Black-Scholes Model | Forex Management

An alternative form of valuation is to use the Black-Scholes formula for a put, which is: P = Xe –r(T-t) [1-N(d2)] – S [1-N(d1)] Where d1 and d2 are as given in the section deriving a call option. Note that [1 - N(d2)] is the same as N(-d2) and [1 - N(d1)] is the same as N(-d1). Using the same [...]