Opening the paper…
Corporate Finance, End Term
The put-call parity result for a non-dividend-paying stock states that the European put price plus the present value of the strike price must equal the European call price plus the stock price.
The put-call parity result for a non-dividend-paying stock states that the European put price plus the present value of the strike price must equal the European call price plus the stock price. The delta of an option is the ratio of a change in the option price to the corresponding change in the stock price. In the Black-Scholes pricing formula, stock prices are considered to be log-normally distributed.