Question: Three securities have the following expected returns and beta: Securities Return Beta A 10% 0.65 B 18% 1.37 C 25% 0.22 a) Calculate the expected
Three securities have the following expected returns and beta:
| Securities | Return | Beta |
| A | 10% | 0.65 |
| B | 18% | 1.37 |
| C | 25% | 0.22 |
a) Calculate the expected return of a portfolio if all the securities are held equally. b) Given the standard deviation for the securities A, B, and C is 12%, 14% and 18% while its covariance is 60, 20, and -30 respectively, estimate the standard deviation of this portfolio. c) Based on the risk-return relation, redesign the securities holding proportion in the manner that it rebalances the portfolio risk to maximize its return.
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