Question
Using the data in the following table, answer questions. Year Stock X Stock Y 2012 -11% -5% 2013 15% 25% 2014 10% 15% 2015 -5%
Using the data in the following table, answer questions.
Year | Stock X | Stock Y |
2012 | -11% | -5% |
2013 | 15% | 25% |
2014 | 10% | 15% |
2015 | -5% | -15% |
2016 | 5% | -5% |
2017 | 8% | -2% |
2018 | 7% | 10% |
2019 | 5% | 15% |
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Average return |
|
|
Standard deviation |
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Correlation between Stock X and Stock Y | 0.7567 |
1.Calculate the standard deviation of returns for Stocks X and Y.
2.For a portfolio that is 75% weighted in Stock X, and 25% weighted in Stock Y, calculate the expected return of the portfolio.
3.Calculate the standard deviation of your portfolio based on the weights of Stocks X and Y stated in part (2).
4.Suppose the correlation between Stocks X and Y has reduced to 0.35, does it increase or reduce the standard deviation of your portfolio based on the weights of Stocks X and Y stated in part (2). Explain your answer.
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