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Consider a derivative security whose payoff is at maturity is max {25,ST/4}, where ST is the price of the underlying stock at maturity (say, 1
Consider a derivative security whose payoff is at maturity is max {25,ST/4}, where ST is the price of the underlying stock at maturity (say, 1 year). Suppose the current stock price is 95 , its expected return is 10% p.a., the stock volatility is 30% p.a., and the risk-free rate is 6%p.a. (a) (3 points) What should be the price of this derivative under the Black-Scholes framework? (b) (2 points) Assuming that the price of the underlying stock follows a geometric Brownian motion process, what is the risk-neutral probability that the payoff of this security will exceed $28 ? What about the real-world probability? Consider a derivative security whose payoff is at maturity is max {25,ST/4}, where ST is the price of the underlying stock at maturity (say, 1 year). Suppose the current stock price is 95 , its expected return is 10% p.a., the stock volatility is 30% p.a., and the risk-free rate is 6%p.a. (a) (3 points) What should be the price of this derivative under the Black-Scholes framework? (b) (2 points) Assuming that the price of the underlying stock follows a geometric Brownian motion process, what is the risk-neutral probability that the payoff of this security will exceed $28 ? What about the real-world probability
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