In: Finance
Consider a put option on a non-dividend-paying stock when the stock price is $30, the exercise price is $29, the risk-free rate is 5%, the volatility is 25% per annum, and the time to maturity is four months.
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| Standard deviation | 25.00% | ||||
| Time of each period (months) | 2 | ||||
| u= e^(Standard deviation)*( Time each period/12)0.5 | |||||
| u= | 1.1075 | ||||
| d=1/u= | 0.9030 | ||||
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