Weight of stock I in the portfolio = wI = 0.62
Weight of stock J in the portfolio = wJ = 1-0.62 = 0.38
Standard Deviation of stock I = σI = 14%
Standard deviation of stock J = σJ = 26%
Variance of the portfolio is calculated using the formula:
Variance of portfolio = σP2 = wI2*σI2 + wJ2*σJ2 + 2*ρ*wI*wJ*σI*σJ
where ρ is the correlation between returns of stock I and stock J
Part a
Correlation between the return is 1
ρ = 1
σP2 = (0.62)2*(14%)2 + (0.38)2*(26%)2 + 2*1*0.62*0.38*14%*26% = 0.00753424+0.00976144+0.01715168 = 0.03444736
Answer a -> Portfolio variance when ρ is 1 = 0.0344
Part b
Correlation between the return is 0.4
ρ = 0.4
σP2 = (0.62)2*(14%)2 + (0.38)2*(26%)2 + 2*0.4*0.62*0.38*14%*26% = 0.00753424+0.00976144+0.006860672 = 0.024156352
Answer b -> Portfolio variance when ρ is 0.4 = 0.0242
Part c
Correlation between the return is 0
ρ = 0
σP2 = (0.62)2*(14%)2 + (0.38)2*(26%)2 + 2*0*0.62*0.38*14%*26% = 0.00753424+0.00976144+0 = 0.01729568
Answer c -> Portfolio variance when ρ is 1 = 0.0173
Hyacinth Macaw invests 62% of her funds in stock and the balance in stock J. The...
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A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 8%. The probability distribution of the risky fund is as follows: Expected Return 16% 12 Standard Deviation 35% 15 Stock fund (5) Bond fund (B) The correlation between the fund returns is 0.13. a-1. What are the investment proportions in the...
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 8%. The probability distribution of the risky funds is as follows: Expected Return 203 Standard Deviation 356 15 Stock fund (S) Bond fund (B) The correlation between the fund returns is 0.09. ces a-1. What are the investment proportions in the...
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 8%. The probability distribution of the risky funds is as follows: Expected Standard Deviation Return Stock fund (S) Bond fund (B) 17% 30% 22 11 The correlation between the fund returns is 0.10 a-1. What are the investment proportions in the...
A pension fund manager is considering three mutual funds. The first is a stock fund, the second is a long-term government and corporate bond fund, and the third is a T-bill money market fund that yields a rate of 8%. The probability distribution of the risky funds is as follows: Expected Return Standard Deviation Stock fund (S) 21 % 36 % Bond fund (B) 13 22 The correlation between the fund returns is 0.13. a-1. What are the investment proportions...