Question
1) Expected Return and Standard deviation This problem will give you some practice calculating measures of prospective portfolio performance There are two assets and three
1) Expected Return and Standard deviation This problem will give you some practice calculating measures of prospective portfolio performance There are two assets and three states of the economy:
State of Probability of Rate of Return if State Occurs
Economy State of Economy Stock A Stock B
Recession. 20 -.15 .20
Normal. 50 .20 .30
Boom. 30 .60 .40
What are the expected returns and standard deviation for these two stocks?
2
Portfolio risk and and return
Using the information in the previous problem, suppose you have the $20,000 total. If you put $15,000 into Stock A and the remainder in Stock B, what will be the expected return, and standard deviation of your portfolio?
3
Risk and return suppose you observe the following situation:
Security Beta Expected Return
Cooley, Inc 1.8% 22%
Moyer Co. 1.6% 20.44
If the risk-free rate is 7 percent , are the securities correctly priced? What would the risk-free rate have to be if they are correctly priced?
I am having trouble with the questions 2 and 3 but this is what I have for question 1
Total Investments = $20,000
Investment in Stock A = $15,000
Investment in Stock B = $5,000
Calculation of Weights of Portfolio
Weight of Stock A in portfolio = $15,000 / $20,000 = 0.75
Weight of Stock B in portfolio = $5,000 / $20,000 = 0.25
Calculation of Covariance of Stock A & Stock B
RA & RB = Return of Stock A & Stock B respectively in different economic scenario
ER(A) & ER(B) = Expected Return of Stock A & Stock B respectively
COV(A,B) = 0.20 * (-0.15 - 0.25)(0.20 - 0.31) + 0.50 * (0.20 - 0.25)(0.30 - 0.31) + 0.30 * (0.60 - 0.25)(0.40 - 0.31)
COV(A,B) = 0.0088 + 0.00025 + 0.00945
COV(A,B) = 0.0185
a) Calculation of Expected Return of portfolio
where, ER(A) & ER(B) = Expected Return of Stock A & Stock B respectively
WA & WB = Weight of Stock A & Stock B respectively
ERp = 0.25*0.75 +0.31*0.25
ERp = 0.265 or 26.5%
b) Calculation of Standard Deviation of portfolio
where, = Standard Deviation of Stock A & Stock B
WA & WB = Weight of Stock A & Stock B
COV(A,B) = Covariance of Stock A & Stock B
0.2159138 or 21.59%
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