10. The relationship between the prices of the underlying stock, a call option,

Question

10. The relationship between the prices of the underlying stock, a call option, a put option, and a riskless asset is referred to as a. put-call parity b. a balanced call. c. a protective call. d. a balanced put. e. a protective put. 11. The effect on an option's value of a small change in the value of the underlying asset is calld the option: a. theta. b. vega. c. rho. d. delta. e. gamma 12. The sensitivity of an option's value to a change in the standard deviation of the return on the underlying asset is measured by the option: vega. a theta c. rho. d. delta. 13. Which one of the following acts like an insurance policy should the price of a stock you own suddenly decrease in value? a sale of a European call option b. sale of an American put option e purchase of a protective put of a protective call d. e. either the sale or purchase of a put 14. A protective put strategy can be replicated by which one of the following? a. riskless investment and stock purchase b. stock purchase and call option e. call option and riskless investment d. riskless investment e. call option, stock purchase, and riskless investment 15. You can realize the same value as that derived from stock ownership if you: a. sell a put option and invest at the risk-free rate of return. b. buy a call option and write a put option on a stock and also lend out funds at the risk-free rate. ll a put and buy a call on a stock as well as invest at the risk-free rate of returr. d. lend out funds at the risk-free rate of return and sell a put option on the stock. e. borrow funds at the risk-free rate of return and invest the proceeds in equivalent amounts of e. se put and call options. formula, Níd) is the probability that a standardized 16. In the Black-Scholes option pricing normally distributed random variable is: a less than or equal to N(d.). b. less than one. c. equal to one. d. equal to di. e. less than or equal to di.

Explanation / Answer

10) said relationship is put-call parity so a

11) definition of delta so d

12) definition of vega so b

13) purchsae of protective put protects against a fall in price so c

14) put call parity involves put, call, riskless investment and stock so three of these will be required to replicate the remaining one, hence e

15) as per put call parity to replicate a stock, one must buy a call, sell a put and invest in riskless asset, hence c

16) option e, since cumulative distribution function defined thus

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