Exam 21: Macroeconomic and Industry Analysis

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The Black-Scholes formula assumes that I.the risk-free interest rateis constant over the life of the option. II.the stock price volatility is constant over the life of the option. III.the expected rate of return on the stock is constant over the life of the option. IV.there will be no sudden extreme jumps in stock prices.

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Delta neutral

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If the option has delta of .5,what is its elasticity?

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A hedge ratio for a call is always

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A hedge ratio of 0.85 implies that a hedged portfolio should consist of

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The elasticity of a stock call option is always

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If the hedge ratio for a stock call is 0.30,the hedge ratio for a put with the same expiration date and exercise price as the call would be ________.

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The price of a stock call option is __________ correlated with the stock price and __________ correlated with the striking price.

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Before expiration,the time value of an in the money call option is always

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A call option has an intrinsic value of zero if the option is

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Higher dividend payout policies have a __________ impact on the value of the call and a __________ impact on the value of the put compared to lower dividend payout policies.

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The price of a stock put option is __________ correlated with the stock price and __________ correlated with the striking price.

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If the hedge ratio for a stock call is 0.50,the hedge ratio for a put with the same expiration date and exercise price as the call would be ________.

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Which one of the following variables influence the value of call options? I.Level of interest rates. II.Time to expiration of the option. III.Dividend yield of underlying stock. IV.Stock price volatility.

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Other things equal,the price of a stock put option is positively correlated with the following factors

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Other things equal,the price of a stock put option is positively correlated with the following factors except

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At expiration,the time value of an in the money put option is always

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Other things equal,the price of a stock call option is positively correlated with the following factors

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If the stock price decreases,the price of a put option on that stock __________ and that of a call option __________.

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Rubinstein (1994)observed that the performance of the Black-Scholes model had deteriorated in recent years,and he attributed this to

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