Refer to the following example for part g) Suppose that you consider two stocks, X and Y with their probability distribution. Scenario Probability Stock X's return Stock Y's return Bull market 60% 15% 8% Bear market 40% -5% 2% Expected rate of return on Stock X = 0.6*15% + 0.4*(-5%) = 9% + (-2%) = 7% Expected rate of return on Stock Y = 0.6*8% + 0.4*2% = 4.8% + 0.8% = 5.6% %3D %3D %3D Variance of Stock X's returns = 0.6*(15% - 7%)2 + 0.4*(-5% - 7%)2 = 38.4 + 144 = 182.4 Standard deviation of Stock X = square root of 182.4 = 13.51% %3D %3D Variance of Stoc Y's returns = 0.6*(8% - 5.6%)2 + 0.4*(2% - 5.6%)2 = 3.46 + 5.18 = 8.64 Standard deviation of Stock Y = square root of 8.64 = 2.94% %3D Covariance between Stock X and Stock Y = 0.6*(15% - 7%)*(8% - 5.6%) + 0.4*(-5% - 7%)*(2% - 5.6%) = 28.8 Correlation between Stock X and Stock Y = 28.8/(13.51*2.94) = 0.73 g) Use the following two stocks. Scenario Probability Stock A Stock B Boom 30% 12% 20% Recession 70% 18% 5% i) Find the expected return on each stock. ii) Find the standard deviation of each stock. iii) Find the covariance between two stocks.

EBK CONTEMPORARY FINANCIAL MANAGEMENT
14th Edition
ISBN:9781337514835
Author:MOYER
Publisher:MOYER
Chapter8: Analysis Of Risk And Return
Section: Chapter Questions
Problem 25P
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Refer to the following example for part g)
Suppose that you consider two stocks, X and Y with their probability distribution.
Scenario Probability Stock X's return Stock Y's return
Bull market 60% 15% 8%
Bear market 40% -5% 2%
Expected rate of return on Stock X = 0.6*15% + 0.4*(-5%) = 9% + (-2%) = 7%
Expected rate of return on Stock Y = 0.6*8% + 0.4*2% = 4.8% + 0.8% = 5.6%
%3D
%3D
%3D
Variance of Stock X's returns = 0.6*(15% - 7%)2 + 0.4*(-5% - 7%)2 = 38.4 + 144 = 182.4
Standard deviation of Stock X = square root of 182.4 = 13.51%
%3D
%3D
Variance of Stoc Y's returns = 0.6*(8% - 5.6%)2 + 0.4*(2% - 5.6%)2 = 3.46 + 5.18 = 8.64
Standard deviation of Stock Y = square root of 8.64 = 2.94%
%3D
Covariance between Stock X and Stock Y = 0.6*(15% - 7%)*(8% - 5.6%) + 0.4*(-5% - 7%)*(2%
- 5.6%)
= 28.8
Correlation between Stock X and Stock Y = 28.8/(13.51*2.94) = 0.73
g) Use the following two stocks.
Scenario Probability Stock A Stock B
Boom 30% 12% 20%
Recession 70% 18% 5%
i) Find the expected return on each stock.
ii) Find the standard deviation of each stock.
iii) Find the covariance between two stocks.
Transcribed Image Text:Refer to the following example for part g) Suppose that you consider two stocks, X and Y with their probability distribution. Scenario Probability Stock X's return Stock Y's return Bull market 60% 15% 8% Bear market 40% -5% 2% Expected rate of return on Stock X = 0.6*15% + 0.4*(-5%) = 9% + (-2%) = 7% Expected rate of return on Stock Y = 0.6*8% + 0.4*2% = 4.8% + 0.8% = 5.6% %3D %3D %3D Variance of Stock X's returns = 0.6*(15% - 7%)2 + 0.4*(-5% - 7%)2 = 38.4 + 144 = 182.4 Standard deviation of Stock X = square root of 182.4 = 13.51% %3D %3D Variance of Stoc Y's returns = 0.6*(8% - 5.6%)2 + 0.4*(2% - 5.6%)2 = 3.46 + 5.18 = 8.64 Standard deviation of Stock Y = square root of 8.64 = 2.94% %3D Covariance between Stock X and Stock Y = 0.6*(15% - 7%)*(8% - 5.6%) + 0.4*(-5% - 7%)*(2% - 5.6%) = 28.8 Correlation between Stock X and Stock Y = 28.8/(13.51*2.94) = 0.73 g) Use the following two stocks. Scenario Probability Stock A Stock B Boom 30% 12% 20% Recession 70% 18% 5% i) Find the expected return on each stock. ii) Find the standard deviation of each stock. iii) Find the covariance between two stocks.
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