3.  A stock sells for $110.  A call option on the stock has an exercise price of $105 and expires in 43 days. If the interest rate is 0.11 and the standard deviation of the stock’s return is 0.25. a)    Calculate the call using the Black-Scholes model  b)    What would be the price of a put with an exercise price of $140 and the same time until expiration?

Intermediate Financial Management (MindTap Course List)
13th Edition
ISBN:9781337395083
Author:Eugene F. Brigham, Phillip R. Daves
Publisher:Eugene F. Brigham, Phillip R. Daves
Chapter5: Financial Options
Section: Chapter Questions
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3.  A stock sells for $110.  A call option on the stock has an exercise price of $105 and expires in 43 days. If the interest rate is 0.11 and the standard deviation of the stock’s return is 0.25.

a)    Calculate the call using the Black-Scholes model 

b)    What would be the price of a put with an exercise price of $140 and the same time until expiration?

c)    How does an increase in the volatility and interest rate changes affect the underlying stock’s return on an option’s value?  Explain. 

              

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