Suppose you are given the following data: Risk-free interest rate is 6%, the stock price follows dSt

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Suppose you are given the following data: Risk-free interest rate is 6%, the stock price follows dSt = μStdt + σStdWt, volatility is 12% a year and the stock pays no dividends, and the current stock price is 100. Using these data, you are asked to approximate the current value of an American call option on the stock. The option has a strike price of 100 and a maturity of 200 days.
(a) Determining an appropriate time interval ∆, such that the binomial tree has four steps. What would be the implied U and D?
(b) What is the implied "up" probability?
(c) Determine the tree for the stock price St.
(d) Determine the tree for the call premium Ct.
(e) Now the important question: would this option ever be exercised early? Strike Price
In finance, the strike price of an option is the fixed price at which the owner of the option can buy, or sell, the underlying security or commodity.
Maturity
Maturity is the date on which the life of a transaction or financial instrument ends, after which it must either be renewed, or it will cease to exist. The term is commonly used for deposits, foreign exchange spot, and forward transactions, interest...
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