PRIN.OF CORPORATE FINANCE
13th Edition
ISBN: 9781260013900
Author: BREALEY
Publisher: RENT MCG
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Textbook Question
Chapter 21, Problem 9PS
Option delta*
- a. Can the delta of a call option be greater than 1.0? Explain.
- b. Can it be less than zero?
- c. How does the delta of a call change if the stock price rises?
- d. How does it change if the risk of the stock increases?
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What impact does each of the followingparameters have on the value of a call option?(5) Variability of the stock price
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Chapter 21 Solutions
PRIN.OF CORPORATE FINANCE
Ch. 21 - Binomial model Over the coming year, Ragworts...Ch. 21 - Binomial model Imagine that Amazons stock price...Ch. 21 - Prob. 3PSCh. 21 - Binomial model Suppose a stock price can go up by...Ch. 21 - Prob. 6PSCh. 21 - Two-step binomial model Suppose that you have an...Ch. 21 - Prob. 8PSCh. 21 - Option delta a. Can the delta of a call option be...Ch. 21 - Option delta Suppose you construct an option hedge...Ch. 21 - BlackScholes model Use the BlackScholes formula to...
Ch. 21 - Option risk A call option is always riskier than...Ch. 21 - Option risk a. In Section 21-3, we calculated the...Ch. 21 - Prob. 16PSCh. 21 - Prob. 18PSCh. 21 - American options The price of Moria Mining stock...Ch. 21 - American options Suppose that you own an American...Ch. 21 - American options Recalculate the value of the...Ch. 21 - American options The current price of the stock of...Ch. 21 - American options Other things equal, which of...Ch. 21 - Option exercise Is it better to exercise a call...Ch. 21 - Option delta Use the put-call parity formula (see...Ch. 21 - Option delta Show how the option delta changes as...Ch. 21 - Dividends Your company has just awarded you a...Ch. 21 - Option risk Calculate and compare the risk (betas)...Ch. 21 - Option risk In Section 21-1, we used a simple...Ch. 21 - Prob. 30PS
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- Describe the effect of a change in each of the following factors on the value of a calloption:1. Stock price2. Exercise price3. Option life4. Risk-free ratearrow_forwardProblem 4d: State whether the following statements are true or false. In each case, provide a brief explanation. d. In a binomial world, if a stock is more likely to go up in price than to go down, an increase in volatility would increase the price of a call option and reduce the price of a put option. Note that a static position is a position that is chosen initially and not rebalanced through time.arrow_forwardIn the Black-Scholes option pricing model, the value of a call is inversely related to: a. the risk-free interest stock b. the volatility of the stock c. its time to expiration date d. its stock price e. its strike pricearrow_forward
- 1. An option is trading at $5.26, has a delta of .52, and a gamma of .11. what would the delta of the option be if the underlying increases by $.75? What would the delta of the option be if the underlying decreases by $1.05? Explain.arrow_forwardAssume the stock’s future prices of stock A and stock B as the following distribution State Future Price Stock A Future price Stock B 1 $10 $7 2 $8 $9 If the time 1 price of stock A is $6, and the time 1 price of stock B is $5. And C1 represents the time 1 price of claim on state 1, C2 represents the time 1 price of claim on state 2 Use the information about stock prices and payoffs to Find the time 1 price C1 and C2. Find the risk–free rate of return, obtained in this market.arrow_forwardHow do you find the market risk premium and market expected return given the expected return of stock, beta, and risk free rate? Example: The expected return of a stock with a beta of 1.2 is 16.2%. Calculate the market risk premium and the market expected return, given a risk-free rate of 3%.arrow_forward
- KF1. Which statement is false? a All else being equal, options of the same strike will increase in price depending on the volatility of the underlying. b According to put-call parity, if a stock is trading for a price that is at-the-money, the put and the call should be trading at the same, or very close to, the same price. c A short put option is functionally the same as a long call option (it results in the same thing). d All statements are true e All statements are falsearrow_forwardAn increase in the volatility of returns of the underlying stock (and holding everything else constant): A. Decreases both call and put option values B. Increases both call and put option values C. Increases put option values but not call option values D. Decreases call option values but not put option values E. Increases call option values but not put option valuesarrow_forwardA) What expected return should an investor expect from investments in common stock? You are given the following information: Risk free rate of return = 4%; market risk premium = 11%; Beta of the stock (assume CAPM holds) = 0.72. B) Stock A with beta of 0.8 offers a 11% return while stock B with a beta of 1.2 offers a 15% return. What is the risk-free rate? What is the common market return? Assume CAPM holds.arrow_forward
- When the required returns on all stocks are graphed against their corresponding betas, Question 16Answer a.we obtain the security market line b.No option is correct c.we obtain the beta d.we obtain the return linearrow_forwardThe value of an option is $3.16, its vega is 0.7. What will be the expected price of the option if the volatility of the underlying stock increases by $0.8?arrow_forwardWe showed in the text that the value of a call option increases with the volatility of the stock. Is this also true of put option values? Use the put-call parity theorem as well as a numerical example to prove your answer.arrow_forward
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