An investor can design a risky portfolio based on two stocks, A and B. Stock A has an expected return of 15% and a standard deviation of return of 25%. Stock B has an expected return of 10% and a standard deviation of return of 20%. The correlation coefficient between the returns of A and B is 0.5. The risk-free rate of return in this economy is 4%. The investor wishes to construct an optimal risky Elr₂l-ri_). The portfolio (i.e. the portfolio with the highest Sharpe ratio = Jp proportion of the optimal risky portfolio that should be invested in stock A is 65.14% 82.25% 71.15% 74.36% 68.20%

Essentials Of Investments
11th Edition
ISBN:9781260013924
Author:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Publisher:Bodie, Zvi, Kane, Alex, MARCUS, Alan J.
Chapter1: Investments: Background And Issues
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An investor can design a risky portfolio based on two stocks, A and B. Stock A has
an expected return of 15% and a standard deviation of return of 25%. Stock B has
an expected return of 10% and a standard deviation of return of 20%. The
correlation coefficient between the returns of A and B is 0.5. The risk-free rate of
return in this economy is 4%. The investor wishes to construct an optimal risky
E[rp]-rf
portfolio (i.e. the portfolio with the highest Sharpe ratio =
-). The
proportion of the optimal risky portfolio that should be invested in stock A is
65.14%
82.25%
71.15%
74.36%
68.20%
Transcribed Image Text:An investor can design a risky portfolio based on two stocks, A and B. Stock A has an expected return of 15% and a standard deviation of return of 25%. Stock B has an expected return of 10% and a standard deviation of return of 20%. The correlation coefficient between the returns of A and B is 0.5. The risk-free rate of return in this economy is 4%. The investor wishes to construct an optimal risky E[rp]-rf portfolio (i.e. the portfolio with the highest Sharpe ratio = -). The proportion of the optimal risky portfolio that should be invested in stock A is 65.14% 82.25% 71.15% 74.36% 68.20%
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