Question
a.) Assume that you manage a risky portfolio with an expected rate of return of 22% and a standard deviation of 35%. The T-bill rate
a.) Assume that you manage a risky portfolio with an expected rate of return of 22% and a standard deviation of 35%. The T-bill rate is 6%. Your client chooses to invest 75% of a portfolio in your fund and 25% in a T-bill money market fund.
What is the reward-to-volatility ratio (S) of your risky portfolio and your clients portfolio?
Your reward to volatility ratio______
Your clients reward to volatility ratio______
b.)Consider historical data showing that the average annual rate of return on the S&P 500 portfolio over the past 85 years has averaged roughly 8% more than the Treasury bill return and that the S&P 500 standard deviation has been about 21% per year. Assume these values are representative of investors' expectations for future performance and that the current T-bill rate is 4%.
Calculate the expected return and variance of portfolios invested in T-bills and the S&P 500 index with weights as follows: (Leave no cells blank - be certain to enter "0" wherever required. Do not enter your answer as a percentage but in a decimal format. Round "Expected Return" to 4 decimal places and the "Variance" to 4 decimal places.) |
WBills | WIndex | Expected Return | Variance | |
0.2 | 0.8 | 0.1040 | 0.0282 | Example |
0.4 | 0.6 | ? |
| ? |
0.0 | 1.0 | ? |
| ? |
0.8 | 0.2 | ? |
| ? |
1.0 | 0.0 | ? |
| ? |
0.6 | 0.4 | ? |
| ? |
c.)Assume that you manage a risky portfolio with an expected rate of return of 21% and a standard deviation of 33%. The T-bill rate is 7%. Your clients degree of risk aversion is A = 2.7, assuming a utility function U = E(r) - A.
-What proportion, y, of the total investment should be invested in your fund? (Do not round intermediate calculations. Round your answer to 2 decimal places. Omit the "%" sign in your response.)
-What is the expected value and standard deviation of the rate of return on your clients optimized portfolio? (Do not round intermediate calculations. Round your answers to 2 decimal places. Omit the "%" sign in your response.)
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