The price of a non-dividend-paying stock is $100. Suppose that the continuously compounded risk-free rate is 1% per year, the market expected return is 7% (continuously compounded), the stock beta is 1.2, and the stock price volatility is 30% per year. Assume that the stock price follows the Geometric Brownian Motion. a) Solve for the expected stock return per year (0.01 + 1.2 0.07) + 0.3² 2 100 0.139+2 b) A derivative pays off $100 if the stock price is in the range between $90 and $110 in year two and 0 otherwise. Determine its current price. 0.139 = 75.73 c) What is the two-year 95% VaR if you short 100 shares of the stock today given that N¹(0.05) = -1.645? Note that the stock price follows a log normal distribution rather than a normal distribution

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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The price of a non-dividend-paying stock is $100. Suppose that the
contínuously compounded risk-free rate is 1% per year, the market expected return is 7%
(continuously compounded), the stock beta is 1.2, and the stock price volatility is 30%
per year. Assume that the stock price follows the Geometric Brownian Motion.
a) Solve for the expected stock return per year
0.32
(0.01 + 1.2 * 0.07) + = 0.139
b) A derivative pays off $100 if the stock price is in the range between $90 and $110 in
year two and 0 otherwise. Determine its current price.
100
0.1392
= 75.73
c) What is the two-year 95% VaR if you short 100 shares of the stock today given
that N (0.05) = -1.645? Note that the stock price follows a log normal distribution
rather than a normal distribution
Transcribed Image Text:The price of a non-dividend-paying stock is $100. Suppose that the contínuously compounded risk-free rate is 1% per year, the market expected return is 7% (continuously compounded), the stock beta is 1.2, and the stock price volatility is 30% per year. Assume that the stock price follows the Geometric Brownian Motion. a) Solve for the expected stock return per year 0.32 (0.01 + 1.2 * 0.07) + = 0.139 b) A derivative pays off $100 if the stock price is in the range between $90 and $110 in year two and 0 otherwise. Determine its current price. 100 0.1392 = 75.73 c) What is the two-year 95% VaR if you short 100 shares of the stock today given that N (0.05) = -1.645? Note that the stock price follows a log normal distribution rather than a normal distribution
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