Question: Security A Security B Expected return 15% 10% Standard Deviation 0.25 0.17 Beta 1.3 1.1 Correlation coefficient between A and B 0.5 Suppose you invest
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| Security A | Security B |
| Expected return | 15% | 10% |
| Standard Deviation | 0.25 | 0.17 |
| Beta | 1.3 | 1.1 |
| Correlation coefficient between A and B | 0.5 | |
Suppose you invest 30% of your money in Security A and the rest in Security B
a) What is the expected return of the portfolio? (20 points)
b) What is the portfolio beta? (20 points)
c) What is the portfolio variance? Compare it with A and B variances. Is the portfolio variance larger or smaller than either A or B variances and why?
(40 points)
d) What percentage of your portfolio variance comes from the interaction component of total risk? (20 points)
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