Question
Stock ABC has a current price of 80 and in each of the next 3 month periods will either increase by 50% or fall by
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Stock ABC has a current price of 80 and in each of the next 3 month periods will either increase by 50% or fall by 10%. Stock ABC will not pay any dividends over the next year and the risk-free rate is 2% for each 3 month period.
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(i) Use the risk-neutral method to calculate the no arbitrage price of a European call option on Stock ABC with 6 months to maturity that has an exercise price of 85. [6 marks]
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(ii) What is the replicating portfolio of the European call option at the initial node i.e. today? [6 marks]
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(iii) How does the price of the call option change if its an American option? [3 marks]
Stock ABC has a current price of 80 and in each of the next 3 month periods will either increase by 50% or fall by 10%. Stock ABC will not pay any dividends over the next year and the risk-free rate is 2% for each 3 month period.
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(i) Use the risk-neutral method to calculate the no arbitrage price of a European call option on Stock ABC with 6 months to maturity that has an exercise price of 85. [6 marks]
-
(ii) What is the replicating portfolio of the European call option at the initial node i.e. today? [6 marks]
-
(iii) How does the price of the call option change if its an American option? [3 marks]
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