Spot price of the stock=26.64
Strike price=26.64
Monthly stock volatility=10.681%
No dividends
Maturity=3 years
Risk-free rate=2.28%
Solve the European call option price using BSM model. More specifically, how do you get the annualised stock volatility?
Annualized volatility= Period-wise volatility*Sq. root of t
Where t= number of period in a year.
Given,
Monthly volatility (Standard Deviation) = 10.681%
Annualized standard deviation= Monthly std. deviation*Square root of 12
Square root of 12= 12^(1/2) = 3.464101615
Therefore, annualized volatility= 10.681%*3.464101615= 37%
European Call Option price= 7.39
Calculation as below:
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