Question

In: Finance

You have $1M to invest. You want to maximize returns subject to a portfolio standard deviation...

You have $1M to invest. You want to maximize returns subject to a portfolio standard deviation of 11%. Assume the S&P500 index is the market portfolio (m), and that it has an expected return of 9% and a standard deviation of 15%. The risk free rate is 3%.

(a) Consider investing in a combination of m and rf. Given your willingness to accept a standard deviation of 11%, what is the expected return on your portfolio?

You are now contemplating a different portfolio. You have done some research and discovered an exciting investment opportunity – a hedge fund X which exploits new and non-standard data to gain an investment edge. Fund X has a beta of 0.4, standard deviation of 27%, and you expect that it will generate an alpha of 2.6%.

(b) Given your estimates of alpha and beta, what is the expected return on fund X?

Solutions

Expert Solution

Market Portfolio=Asset 1,Risk Free Investment=Asset 2
Return of asset1=R1=9%
Return of asset2=R2=3%
Standard deviation of asset 1=S1=15%
Standard deviation of asset 2=S2=0%
Covariance(1,2)=Corr(1,2)*S1*S2=0 67.32
w1=Investment in asset 1
w2=Investment in asset 2
Portfolio Return
w1*R1+w2*R2=w1*9+w2*3 ……..Equation (1)
Vp=Portfolio Variance=(w1^2)*(S1^2)+(w2^2)*(S2^2)+2*w1*w2*Cov(1,2)
Portfolio Variance=(w1^2)*(15^2)+(w2^2)*(0^2)+2*w1*w2*0
Vp=Portfolio Variance=(w1^2)*225……………Equation (2)
Portfolio Standard Deviation=Square root of Variance
If Portfolio standard deviation is 11%
Expected Portfolio Return 7.40%
Weight of Market Portfolio= 73.40%
b Beta of Fund X 0.4
Alpha of Fund X 2.60%
Expected return of fund X=
Risk Free Rate+Beta*(9-Risk free rate)+Alpha
Expected Return of Fund x 8.00% (3+0.4*(9-3)+2.6

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