# Question

Consider the September 2012 IBM call and put options in Problem 3. Ignoring the negligible interest you might earn on T-bills over the remaining few days’ life of the options, show that there is no arbitrage opportunity using put-call parity for the options with a $205 strike price. Specifically:

a. What is your profit/loss if you buy a call and T-bills, and sell IBM stock and a put option?

b. What is your profit/loss if you buy IBM stock and a put option, and sell a call and T-bills?

c. Explain why your answers to (a) and (b) are not both zero.

a. What is your profit/loss if you buy a call and T-bills, and sell IBM stock and a put option?

b. What is your profit/loss if you buy IBM stock and a put option, and sell a call and T-bills?

c. Explain why your answers to (a) and (b) are not both zero.

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