A collar is established by buying a share for 50, buying a 6-month put option with exercise price 45, and writing a call option with exercise price 55. On the basis of the volatility of the stock, you calculate that at a strike price of 45 and expiration of 6 months, N(d1) =0.6 whereas for the exercise price of 55, N(d1) = 0.35 What will be the gain or loss on the collar if the stock price increases by 1? What happens to the delta of the portfolio if the stock price becomes very large?
A collar is established by buying a share for 50, buying a 6-month put option with exercise price 45, and writing a call option with exercise price 55. On the basis of the volatility of the stock, you calculate that at a strike price of 45 and expiration of 6 months, N(d1) =0.6 whereas for the exercise price of 55, N(d1) = 0.35 What will be the gain or loss on the collar if the stock price increases by 1? What happens to the delta of the portfolio if the stock price becomes very large?
Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
Section: Chapter Questions
Problem 1PS
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A collar is established by buying a share for 50, buying a 6-month put option with exercise price 45, and writing a call option with exercise price 55. On the basis of the volatility of the stock, you calculate that at a strike price of 45 and expiration of 6 months, N(d1) =0.6 whereas for the exercise price of 55, N(d1) = 0.35
- What will be the gain or loss on the collar if the stock price increases by 1?
- What happens to the delta of the portfolio if the stock price becomes very large?
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