Question 793 option, hedging, delta hedging, gamma hedging, gamma, Black-Scholes-Merton option pricing
A bank buys 1000 European put options on a $10 non-dividend paying stock at a strike of $12. The bank wishes to hedge this exposure. The bank can trade the underlying stocks and European call options with a strike price of 7 on the same stock with the same maturity. Details of the call and put options are given in the table below. Each call and put option is on a single stock.
European Options on a Non-dividend Paying Stock | |||
Description | Symbol | Put Values | Call Values |
Spot price ($) | ##S_0## | 10 | 10 |
Strike price ($) | ##K_T## | 12 | 7 |
Risk free cont. comp. rate (pa) | ##r## | 0.05 | 0.05 |
Standard deviation of the stock's cont. comp. returns (pa) | ##\sigma## | 0.4 | 0.4 |
Option maturity (years) | ##T## | 1 | 1 |
Option price ($) | ##p_0## or ##c_0## | 2.495350486 | 3.601466138 |
##N[d_1]## | ##\partial c/\partial S## | 0.888138405 | |
##N[d_2]## | ##N[d_2]## | 0.792946442 | |
##-N[-d_1]## | ##\partial p/\partial S## | -0.552034778 | |
##N[-d_2]## | ##N[-d_2]## | 0.207053558 | |
Gamma | ##\Gamma = \partial^2 c/\partial S^2## or ##\partial^2 p/\partial S^2## | 0.098885989 | 0.047577422 |
Theta | ##\Theta = \partial c/\partial T## or ##\partial p/\partial T## | 0.348152078 | 0.672379961 |
Which of the following statements is NOT correct?
Question 794 option, Black-Scholes-Merton option pricing, option delta, no explanation
Which of the following quantities from the Black-Scholes-Merton option pricing formula gives the Delta of a European call option?
Where:
###d_1=\dfrac{\ln[S_0/K]+(r+\sigma^2/2).T)}{\sigma.\sqrt{T}}### ###d_2=d_1-\sigma.\sqrt{T}=\dfrac{\ln[S_0/K]+(r-\sigma^2/2).T)}{\sigma.\sqrt{T}}###Question 795 option, Black-Scholes-Merton option pricing, option delta, no explanation
Which of the following quantities from the Black-Scholes-Merton option pricing formula gives the Delta of a European put option?
Question 796 option, Black-Scholes-Merton option pricing, option delta, no explanation
Which of the following quantities from the Black-Scholes-Merton option pricing formula gives the risk-neutral probability that a European call option will be exercised?
Question 797 option, Black-Scholes-Merton option pricing, option delta, no explanation
Which of the following quantities from the Black-Scholes-Merton option pricing formula gives the risk-neutral probability that a European put option will be exercised?
A 12 month European-style call option with a strike price of $11 is written on a dividend paying stock currently trading at $10. The dividend is paid annually and the next dividend is expected to be $0.40, paid in 9 months. The risk-free interest rate is 5% pa continuously compounded and the standard deviation of the stock’s continuously compounded returns is 30 percentage points pa. The stock's continuously compounded returns are normally distributed. Using the Black-Scholes-Merton option valuation model, determine which of the following statements is NOT correct.
Question 834 option, delta, theta, gamma, standard deviation, Black-Scholes-Merton option pricing
Which of the following statements about an option (either a call or put) and its underlying stock is NOT correct?
European Call Option | ||
on a non-dividend paying stock | ||
Description | Symbol | Quantity |
Spot price ($) | ##S_0## | 20 |
Strike price ($) | ##K_T## | 18 |
Risk free cont. comp. rate (pa) | ##r## | 0.05 |
Standard deviation of the stock's cont. comp. returns (pa) | ##\sigma## | 0.3 |
Option maturity (years) | ##T## | 1 |
Call option price ($) | ##c_0## | 3.939488 |
Delta | ##\Delta = N[d_1]## | 0.747891 |
##N[d_2]## | ##N[d_2]## | 0.643514 |
Gamma | ##\Gamma## | 0.053199 |
Theta ($/year) | ##\Theta = \partial c / \partial T## | 1.566433 |
A one year European-style call option has a strike price of $4.
The option's underlying stock currently trades at $5, pays no dividends and its standard deviation of continuously compounded returns is 47% pa.
The risk-free interest rate is 10% pa continuously compounded.
Use the Black-Scholes-Merton formula to calculate the option price. The call option price now is:
A one year European-style put option has a strike price of $4.
The option's underlying stock currently trades at $5, pays no dividends and its standard deviation of continuously compounded returns is 47% pa.
The risk-free interest rate is 10% pa continuously compounded.
Use the Black-Scholes-Merton formula to calculate the option price. The put option price now is: