Question

A bank has written a call option on one stock and a put option on another stock. For the first option the stock price is 50, the strike price is 51, the volatility is 28% per annum, and the time to maturity is nine months. For the second option the stock price is 20, the strike price is 19, the volatility is 25% per annum, and the time to maturity is one year. Neither stock pays a dividend, the risk-free rate is 6% per annum, and the correlation between stock price returns is 0.4. Calculate a 10-day 99% VaR using only deltas.

Answer #1

A bank has written a call option on one stock and a put option
on another stock. For the first option the stock price is 50, the
strike price is 51, the volatility is 28% per annum, and the time
to maturity is nine months. For the second option the stock price
is 20, the strike price is 19, the volatility is 25% per annum, and
the time to maturity is one year. Neither stock pays a dividend,
the risk-free...

Consider a call option on a stock, the stock price is $29, the
strike price is $30, the continuously risk-free interest rate is 5%
per annum, the volatility is 20% per annum and the time to maturity
is 0.25.
(i) What is the price of the option? (6 points)
(ii) What is the price of the option if it is a put? (6
points)
(iii) What is the price of the call option if a dividend of $2
is expected...

Suppose that a 6-month European call A option on a stock with a
strike price of $75 costs $5 and is held until maturity, and
6-month European call B option on a stock with a strike price of
$80 costs $3 and is held until maturity. The underlying stock price
is $73 with a volatility of 15%. Risk-free interest rates (all
maturities) are 10% per annum with continuous compounding.
Use put-call parity to explain how would you construct a
European...

3) For a call option on a non dividend paying stock the stock
price is $30, the strike price is $20, the risk free rate is 6% per
annum, the volatility is 20% per annum and the time to
maturity is 3 months. Use the Binomial model to
find:
a) The price of the call option?
Please show work

3) For a call option on a non dividend paying stock the stock
price is $30, the strike price is $20, the risk free rate is 6% per
annum, the volatility is 20% per annum and the time to
maturity is 3 months. Use the Binomial model to
find:
a) The price of the call option?
Can you show the binomial model please

What is the price of a European put option on a
non-dividend-paying stock when the stock price is $70, the strike
price is $75, the risk-free interest rate is 10% per annum, the
volatility is 25% per annum, and the time to maturity is six
months?

What is the price of a European put option on a
non-dividend-paying stock when the stock price is $100, the strike
price is $100, the risk-free interest rate is 8% per annum, the
volatility is 25% per annum, and the time to maturity is 1 month?
(Use the Black-Scholes formula.)

For a European call option and a European put option on the same
stock, with the same strike price and time to maturity, which of
the following is true?
A) Before expiration, only in-the-money options can have
positive time premium.
B) If you have a portfolio of protected put, you can replicate
that portfolio by long a call and hold certain amount of risk-free
bond.
C) Since both the call and the put are risky assets, the
risk-free interest rate...

For a European call option and a European put option on the same
stock, with the same strike price and time to maturity, which of
the following is true?
A) When the call option is in-the-money and the put option is
out-of-the-money, the stock price must be lower than the strike
price.
B) The buyer of the call option receives the same premium as the
writer of the put option.
C) Since both the call and the put are risky...

A
European call option and put option on a stock both have a strike
price of $20 and an expiration date in three months. Both sell for
$2. The risk-free interest rate is 5% per annum, the current stock
price is $25, and a $1 dividend is expected in one month. Identify
the arbitrage opportunity open to a trader.

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