Question
Part A The standard deviations of shares A, B and C are 20%, 15% and 30%, respectively. You want to make a portfolio combining
Part A The standard deviations of shares A, B and C are 20%, 15% and 30%, respectively. You want to make a portfolio combining these three shares. The correlation matrix of these three shares is as follows: Share You have SI million to invest in these three shares in the following proportions: Share Weights 0.20 0.30 0.50 using the above data, answer the following questions: Calculate the covariance matrix for the three shares Estimate the contribution of each share to the portfolio variance Calculate the percentage contribution from each share to the portfolio variance If you wantto reduce the portfolio variance which share would you replace with a share that has a lower contribution.
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