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Please help me solve ( c ) to ( e ) A stock's current price is $ 5 2 . The annualized volatility is 1
Please help me solve c to eA stock's current price is $ The annualized volatility is The continuously compounded
riskfree rate is pa The stock does not pay dividends. Consider a European call option
that has a strike price of $ and expires in months.
a What is the call option premium based on BlackScholes formula?
b What is the premium of a put option that is otherwise identical?
c How many shares of the stock would you purchase today to dynamically replicate the
payoff of the call at expiration?
d If the stock price changes to $ immediately, what is the approximate change of the
call price based on delta?
e What is the approximate percentage change in the option premium for a change in
the stock, based on delta? Input the answer in percentage without the percent sign and
keep decimal places eg as
f If the Sharpe ratio of the stock is What is the Sharpe ratio of the call option?
g Suppose you are the broker that was forced to be the writer of the European call. You
use a replicating portfolio of stock and bond to deltahedge the change in the call's
price You construct such a replicating portfolio today and hold on to it for
clarity, you do not rebalance it after today, just leave it unattended After one week,
suppose the stock price changes to $ what is your total profit in one week?
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