Question

In: Finance

A stock price is currently $50. It is known that at the end of one year...

A stock price is currently $50. It is known that at the end of one year it will be either $40 and $60. The exercise price of a one-year European call option is $55. The risk free interest rate is 5% per annum.

a. construct a binomial tree to show the payoff of the call option at the expiration date.

b. based on the binomial tree model, what is the value of the call option?

c. Address the relation between the binomial tree model and the Black-Scholes model

Solutions

Expert Solution

c) Relationship between binomial and black scholes model is that binomial model converges to black scholes model when the number of steps of binomial increases. In essence, black scholes model has infinite number of binomial steps.


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