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Question 865  option, Black-Scholes-Merton option pricing

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) $0.287263739

(b) $0.398141032

(c) $1.142227853

(d) $1.667914067

(e) $2.193600281

Question 866  option, Black-Scholes-Merton option pricing

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:

(a) $1.550849674

(b) $0.982509295

(c) $0.666414943

(d) $0.287263739

(e) $0.055037262

Question 903  option, Black-Scholes-Merton option pricing, option on stock index

A six month European-style call option on the S&P500 stock index has a strike price of 2800 points.

The underlying S&P500 stock index currently trades at 2700 points, has a continuously compounded dividend yield of 2% pa and a standard deviation of continuously compounded returns of 25% pa.

The risk-free interest rate is 5% pa continuously compounded.

Use the Black-Scholes-Merton formula to calculate the option price. The call option price now is:

(a) 162.83 points

(b) 220.56 points

(c) 226.43 points

(d) 230.91 points

(e) 317.45 points

Question 904  option, Black-Scholes-Merton option pricing, option on future on stock index

A six month European-style call option on six month S&P500 index futures has a strike price of 2800 points.

The six month futures price on the S&P500 index is currently at 2740.805274 points. The futures underlie the call option.

The S&P500 stock index currently trades at 2700 points. The stock index underlies the futures. The stock index's standard deviation of continuously compounded returns is 25% pa.

The risk-free interest rate is 5% pa continuously compounded.

Use the Black-Scholes-Merton formula to calculate the option price. The call option price now is:

(a) 226.43 points

(b) 220.56 points

(c) 176.21 points

(d) 162.83 points

(e) 128.92 points

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?

(a) $N[d_1]$

(b) $N[d_2]$

(c) $−N[−d_1]$

(d) $−N[−d_2]$

(e) $N[−d_2]$

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?

(a) $N[d_1]$

(b) $N[d_2]$

(c) $−N[−d_1]$

(d) $−N[−d_2]$

(e) $N[−d_2]$

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?

(a) $N[d_1]$

(b) $N[d_2]$

(c) $−N[−d_1]$

(d) $−N[−d_2]$

(e) $N[−d_2]$

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) $N[d_1]$

(b) $N[d_2]$

(c) $−N[−d_1]$

(d) $−N[−d_2]$

(e) $N[−d_2]$

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?

(a) If the underlying stock price suddenly rose by $0.01, the put option price would be expected to fall by less than $0.00552034777953178.

(b) If the underlying stock price suddenly fell by $0.01, the put option price would be expected to rise by more than $0.00552034777953178.

(c) If the underlying stock price suddenly rose by $0.01, the call option price would be expected to rise by more than $0.00888138404936379.

(d) To Delta hedge the 1000 long put options, long 552.0348 stocks.

(e) To Delta and Gamma hedge the 1000 long put options, long 2078.4226 call options and short 2397.9617 stocks.