If a USD 89.83-strike European call on a non-dividend-paying stock with 0.74 years until expiration is trading at USD 1.64 in an economy where the continuously-compounded interest rate is 6.37%/year and an otherwise identical put is trading at USD 1.89, what is the price of the underlying stock in USD?
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As per put call parity
P+ S = present value of X + C
P= value of put option.
S= current price of share
X= strike price
C= value of call option.
Present value of X = X/e^rt
r = risk free rate. 6.37%
t= time period 0.74
Given:
P= value of put option = 1.89
S= current price of share=?
X= strike price = 89.83
Present value of X = 89.83/e^(6.37%×0.74)
C= value of call option = 1.64
1.89+ S = [89.83/e^(6.37%×0.74)]+ 1.64
S= $85.44
Value/Price of Stock =$85.44
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