In: Finance
1. Consider an at-the-money European put option with a strike price of $30 and 6 months until
expiration.The underlying stock does not pay dividends and has a historical volatility of 35%. The risk-free rate is 3%.
a. (5 points) What is the options delta?
b. (5 points) What is the value of the option?
c. (5 points) If the stock price immediately changed to $24, what would be the estimated price of the option, using the delta approximation?
d .(5 points) Now consider the call option with the same information; compute its delta.
e. (5 points) If you purchase 10 of the put option and 5 of the call option, what is the delta of the resulting portfolio?
a,b and d) are answered above
c) If stock price changed to 24, put price will rise by 6*0.4269=2.5614 and it will become 2.7145+2.5614=5.2759
e) Delta of portfolio=10*(-0.4269)+5*0.5731=-1.4035