Question
Q2 (a)Suppose XYZ is a non-dividend-paying stock. Suppose S = $100, = 40%, = 0, and r = 0.06. (i)What is the price of a
Q2
(a)Suppose XYZ is a non-dividend-paying stock. Suppose S = $100, = 40%, = 0,
and r = 0.06.
(i)What is the price of a 105-strike European call option with 1 year to
expiration?
(ii)What is the price of a 105-strike European put option with 1 year to
expiration?
(iii)Verify the put-call parity.
(b)
Market maker is taking position in 1 million units of the following bull
spread: buy a 40- strike call and sell a 45-strike call. Suppose S = $40, =
0.30, r = 0.08, = 0, and T = 0.5.
(i)How does market maker hedge the bull spread position? How many shares to buy or
short sell? How much money to borrow or lend?
(ii)Suppose one day later, the stock price is $41. What is the overnight profit of
market maker's delta-hedged position?
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