A stock will provide a rate of return of either −29% or 32%. |
a. | If both possibilities are equally likely, calculate the stock's expected return and standard deviation. (Do not round intermediate calculations. Enter your answers as a percent rounded to 1 decimal place.) |
Expected return | % |
Standard deviation | % |
b. |
If Treasury bills yield 1.5% and investors believe that the stock offers a satisfactory expected return, what must the market risk of the stock be? (Enter your answer as a whole percent.) |
Market risk | % |
Given:
Rate of return = -29% or 32% with equal probability
Expected rate of return = 0.5 * -29% + 0.5 * 32%
Expected rate of return = -0.1450 + 0.160
Expected rate of return = 0.0150
Expected rate of return = 1.5%
Standard deviation
Variance of the stock = weight1 * (return1 - expected rate of return)2 + weight2 * ( return2 - expected rate of return)2
Variance of the stock = 0.5 * ( -29% - 1.50%)2 + 0.5 * ( 32% - 1.50%)2
Variance of the stock = 0.5 * 0.093025 + 0.5 * 0.093025
Variance of the stock = 0.046513 + 0.046513
Variance of the stock = 0.093025
Standard deviation = sqrt( variance)
Standard deviation = sqrt ( 0.093025)
Standard deviation = 30.5%
b) Given T yield Rf= 1.5%
Expected return = 1.5%
market risk of the stock = Rms
E(R) = Rf + Rms
1.5% - 1.5% = Rms
Market risk = 0%
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