A universe of securities includes a risky stock (X), a stock-index fund (M), and T-bills. The...

A universe of securities includes a risky stock (X), a stock-index fund (M), and T-bills. The data for the universe are:

	Expected Return	Standard Deviation
X	20%	60%
M	15%	25%
T-Bill	5%	0%

The correlation coefficient between X and M is -0.8

A. Draw the opportunity set of securities X and M

B. Find the optimal risky portfolio (O), its expected return, standard deviation, and Sharpe ratio. Compare with the Sharpe ratio of X and M

C. Find the slope of the CAL generated by T-bills and portfolio O.

D. Suppose an investor places 2/9 (i.e., 22.22%) of the complete portfolio in the risky portfolio O and the remainder in T-bills. Calculate the composition of the complete portfolio, its expected return, SD, and Sharpe ratio.

Expert Solution

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jeff jeffy answered 8 months ago

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