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^1 Use the returns data below for two stocks, construct a mean-variance efficient frontier. (1) Calculate the covariances of two assets (2) For each of
^1 Use the returns data below for two stocks, construct a mean-variance efficient frontier. (1) Calculate the covariances of two assets (2) For each of the following weights, compute the expected returns and standard deviation of the portfolios. (3) Plot them in a coordinate system with y-axis as expected return and x-axis as standard deviations. Returns of two assets Portfolio weights Stock 2 Stock 1 0.4 Stock 1 -0.2 Stock 2 1.2 -2.93 -9.61 -9.42 -0.1 1.1 -1.07 -2.83 0 1 2.92 0.9 6.67 3.97 2.15 0.1 0.2 3.56 0.8 2.47 0.3 0.7 0.13 0.4 -5.27 4.06 0.5 0.6 0.6 0.5 0.4 4.9 6.02 -3.22 0.37 -7.43 -1.43 0.7 0.3 1.42 0.8 0.2 12.83 0.9 0.1 3.83 1 0 1.38 0.85 2.21 7.07 0.6 1.1 -0.1 4.62 1.2 -0.2 ^1 Use the returns data below for two stocks, construct a mean-variance efficient frontier. (1) Calculate the covariances of two assets (2) For each of the following weights, compute the expected returns and standard deviation of the portfolios. (3) Plot them in a coordinate system with y-axis as expected return and x-axis as standard deviations. Returns of two assets Portfolio weights Stock 2 Stock 1 0.4 Stock 1 -0.2 Stock 2 1.2 -2.93 -9.61 -9.42 -0.1 1.1 -1.07 -2.83 0 1 2.92 0.9 6.67 3.97 2.15 0.1 0.2 3.56 0.8 2.47 0.3 0.7 0.13 0.4 -5.27 4.06 0.5 0.6 0.6 0.5 0.4 4.9 6.02 -3.22 0.37 -7.43 -1.43 0.7 0.3 1.42 0.8 0.2 12.83 0.9 0.1 3.83 1 0 1.38 0.85 2.21 7.07 0.6 1.1 -0.1 4.62 1.2 -0.2
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