Question #168703

Q3. Jamie Wong is considering building an investment portfolio containing two stocks, L and M. Stock L will represent 40% of the dollar value of the portfolio, and stock M will account for the other 60%. The expected returns over the next 6 years, 2013–2018, for each of these stocks are shown in the following table.


a. Calculate the expected portfolio return, rp, for each of the 6 years.

 b. Calculate the expected value of portfolio returns, , over the 6-year period.

 c. Calculate the standard deviation of expected portfolio returns, over the 6-year period.

 d. How would you characterize the correlation of returns of the two stocks L and M?

e. Discuss any benefits of diversification achieved by Jamie through creation of the portfolio.  


1
Expert's answer
2021-03-04T10:36:21-0500


Let the expected returns be as follows

1 2 3 4 5 6

L 5 6 7 2 2 8

M 4 8 5 7 3 6

a.

expected return on each share:

L=5+6+7+2+2+86=5L=\frac{5+6+7+2+2+8}{6}=5

M=4+8+5+7+3+66=5.5M=\frac{4+8+5+7+3+6}{6}=5.5

b.

 expected value of portfolio returns

EVp=0.4×5+0.6×5.5=5.30EVp=0.4\times5+0.6\times5.5=5.30

c.

the standard deviation is the square root of the variance

σ=(w1×w2×covLM)0.5σ=(w1\times w2\times covLM)^{0.5}

covLM=(riri~)(rjrj~)n1=(55)(45.5)61=1.2covLM=\frac{\sum_{(ri-\tilde{ri})(rj-\tilde{rj})}}{n-1}=\frac{\sum_{(5-{5})(4-5.5)}}{6-1}=1.2


σ=(w1×w2×covLM)0.5=(0.4×0.6×1.20)0.5=0.54σ=(w1\times w2\times covLM)^{0.5}=(0.4\times 0.6\times 1.20)^{0.5}=0.54

d. 5.55=1.1\frac{5.5}{5}=1.1

the yield M is greater than the yield L

e.

the yield of M is greater than the yield of L, so the portfolio needs to include more securities of M


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