Question: Consider the following expected returns, volatilities, and correlations: Stock Expected Return Standard Deviation Correlation with IBM Correlation with Alphabet IMB 3% 5% 1.0 -1.0 Alphabet
Consider the following expected returns, volatilities, and correlations:
| Stock | Expected Return | Standard Deviation | Correlation with IBM | Correlation with Alphabet |
| IMB | 3% | 5% | 1.0 | -1.0 |
| Alphabet | 10% | 20% | -1.0 | 1.0 |
- Consider a portfolio consisting of only IBM and Alphabet. Calculate the percentage of your investment (portfolio weight) that you would place in IBM stock to achieve a risk-free investment. Show all your work.
- Based on your finding in Part (a), what is the expected return of your portfolio? What is the risk-free rate in this market, assuming the market is efficient and perfect?
- Consider a portfolio consisting of only IBM and Alphabet. Calculate the expected return and standard deviation on such a portfolio when the weight on IBM stock is 60%, 80%, and 100%.
- Based on your answer in Part (c), identify the efficient portfolios consisting of only IBM and Alphabet, when the weight on IBM stock is 60%, 80%, and 100%.
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SOLUTION a To achieve a riskfree investment we need to find the portfolio with zero standard deviation The formula for portfolio standard deviation is as follows Portfolio standard deviation sqrtw12 1... View full answer
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