CAS Exam 9 Spring 2017, Question 3
Study guide: Exam 9
Given the following statistics for three stocks, A, B, and C:
Expected Return and Standard Deviations of Returns
| Stock | A | B | C |
|---|---|---|---|
| Expected Return | r |
r |
r |
| Standard Deviation | \sigma_1 |
\sigma_1 |
\sigma_2 |
Note that \sigma_1 > \sigma_2 > 0.
Correlations of Returns
| Stock | A | B | C |
|---|---|---|---|
| A | \rho |
\rho |
|
| B | 0.1 \times \rho |
||
| C |
Note that \rho > 0.
Assume an investor wants to select a two-stock portfolio and will invest equally in the two.
Rank the three possible stock portfolios in order based on risk-return trade-off and explain the rationale for the ranking.
Part a (1.25 points)
No current syllabus covers this question; it is kept for the record.
Answer this question and see the worked solution