You are given the following information: |
State of |
Return on |
Return on |
Bear |
.111 |
-.054 |
Normal |
.106 |
.157 |
Bull |
.082 |
.242 |
Assume each state of the economy is equally likely to happen. |
Calculate the expected return of each of the following stocks. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) |
Expected return |
|
Stock A |
% |
Stock B |
% |
Calculate the standard deviation of each of the following stocks. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) |
Standard deviation |
|
Stock A |
% |
Stock B |
% |
What is the covariance between the returns of the two stocks? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 6 decimal places, e.g., 32.161616. |
What is the correlation between the returns of the two stocks? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 4 decimal places, e.g., 32.1616.) |
Their are three events, so probability of each event = 1 / 3
Expected return
Expected return = sum of ( probability x return)
Stock A = 0.111 x 1 / 3 + 0.106 x 1 / 3 + 0.082 x 1 / 3 = 0.09966666 or 9.966666% or 9.97%
Stock B = -0.054 x 1 / 3 + 0.157 x 1 / 3 + 0.242 x 1 / 3 = 0.1149999 or 11.50%
Standard deviation (?)
or, ?A = 1.27%
or, ?A = 12.44%
Covariance
or, Covariance = (-)0.001298
Correlation (r)
r = Covariance / ( ?A x ?B )
or, r = (-)0.0012976666 / (0.0126578908 x 0.12443740) = (-)0.82385513623 or (-)0.8239
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