PRIN.OF CORPORATE FINANCE
13th Edition
ISBN: 9781260013900
Author: BREALEY
Publisher: RENT MCG
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Textbook Question
Chapter 21, Problem 25PS
Option delta Use the put-call parity formula (see Section 20-2) and the one-period binomial model to show that the option delta for a put option is equal to the option delta for a call option minus 1.
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Compute for the:
1.) Put Option - Total Value
2.) Put Option - Intrinsic Value
3.) Put Option - Extrinsic Value
Define each of the following terms:c. Black-Scholes option pricing model
In binomial approach of option pricing model, fourth step is to create :
a. equalize domain of payoff
b. equalize ending price
c. riskless investment
d. high risky investment
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 five variables (Assets price, Strick price or Exercise Price, Risk- Free- Rate, Time to Expiration, Volatility) that Black-Scholes-Merton Formula uses to calculate the price of call and put options. Explain how the change in these variables (Assets price, Strick price or Exercise Price, Risk- Free- Rate, Time to Expiration, Volatility) affects the price of the option.arrow_forwardDefine each of the following terms: Option; call option; put option Exercise value; strike price Black-Scholes option pricing modelarrow_forwardOptions have a unique set of terminology. Define the following terms: (6) Option pricearrow_forward
- Define Black-Scholes option pricing modelarrow_forwardConsider a call and a put options with the same strike price and time to expiry. Given that the strike price is exactly equals to the forward price, then: A. Put and call have same premium B. The premium of the put is equal to the forward price C. The premium of the put is equal to the premium of the call plus the present value of the strike D. The premium of the call is equal to the forward pricearrow_forwardIn a binomial tree model of a put option, why is the value of the upper node always 0 and in a call option the lower node always 0? What role does delta = Vu - Vd/Su - Sd play in it?arrow_forward
- Use the put-call parity relationship to demonstrate that an at-the-money call option on a nondividend-paying stock must cost more than an at-the-money put option. Show that the prices of the put and call will be equal if So = (1 + r)^Tarrow_forwardExplain the call-put parity relation and how it is justified. Black-Scholes-Merton formula uses five variables to calculate the price of call and put options. Explain each of these variables incorporated in Black-Scholes-Merton formula. Show how the change in these variables affects the price of option. Show how these variables are grouped to show put-call parity relationship and suggest the condition in which there is an arbitrage opportunity. (Explain each of the things in detail with an appropriate examples)arrow_forwardIdentify the key parameters that influence option price. Discuss the impact of a rise and fall in the value of each parameter on the prices of put and call options.arrow_forward
- Define each of the following terms:a. Option; call option; put optionarrow_forwardDetermine the ff. 1. Call Option - Total Value2. Call Option - Intrinsic Value3. Call Option - Extrinsic Valuearrow_forwardExplain in detail how you would extend the Cox-Ross-Rubinstein binomial tree model for pricing options if instead of considering two states of nature in each period you consider three states of nature (e.g. a good state, a middle state and a bad state). Focus on a tree with two periods (periods 0, 1 and 2) and draw the corresponging trinomial treearrow_forward
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