Consider a stock worth $40 that can go up or down by 10% per period. The risk-free
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Question:
Consider a stock worth $40 that can go up or down by 10% per period. The risk-free rate of interest is 6% pa, continuously compounded.
(i) Determine the intrinsic values at expiration of a one-year European call option
with an exercise price of $40. Show the binomial tree.
[10%]
- (ii)Using the risk neutral valuation, find the current value of the option.
- (iii)Construct a hedge by combining a position in stock with a position in the call. Show that the return on the hedge is the risk-free rate regardless of the outcome, assuming that the call sells for the value you obtained in part (ii).
- (iv)Determine the rate of return from a riskless hedge if the call is sold for $5
when the hedge is initiated.
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