Portfolio standard deviation for a two-asset portfolio is given by the following formula:

|
Bonds (A) |
Stocks (B) |
|
|
Return |
7% |
12% |
|
Standard deviation |
10% |
25% |
Weight of A = 25%
Weight of B = 75%
Correlation coefficient between returns of A & B is 0.50
Variance = (0.25)2(0.10) 2 + (0.75) 2 (0.25) 2 + 2(0.25)(0.75)(0.10)(0.25)(0.50)
=0.040
Portfolio standard deviation is the square root of variance
= Square root (0.040)
= 0.20
Portfolio standard deviation is 0.20
Question 27 2 pts Bonds have an expected return of 7% and an annual standard deviation...
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Stock A has an expected return of 7%, a
standard deviation of expected returns of 35%, a correlation
coefficient with the market of -0.3, and a beta coefficient of
-0.5. Stock B has an expected return of 12% a standard deviation of
returns of 10%, a 0.7 correlation with the market, and a beta
coefficient of 1.0. Which security is riskier? Why?
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