Current price of a non-dividend paying stock is $50. Use a two-step tree to value an AMERICAN PUT option on the stock with a strike price of $52 that expires in 6 months. Each step is 3 months and in each step the stock price either moves up by 10% or moves down by 10%. Suppose that the risk-free rate is 7% per annum continuous compounding. What should be this American put option price?
$4.64 |
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$6.10 |
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$3.42 |
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$7.43 |
Note:
R = Rate of Interest
d = Fall in Price
u = Increase in price
qu = Probability of Increase in Price
Cup = Payoff of Increase in Price
Cd = Payoff of fall in Price
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