Assume that you manage a $10 million mutual fund that has a beta of 1.05 and a 9.5% required return. The risk-free rate is 4.2%. You now receive another $5 million, which you invest in stocks with an average beta of 0.65. What is the required rate of return on the new portfolio? *
a) 8.83%
b) 9.05%
c) 9.27%
d) 9.51%
Ans) a) 8.83%
First of all let's calculate Market return
Required return = Risk free rate of return + Beta(Market return - Risk free rate of return)
9.5% = 4.2% + 1.05(Market return - 4.2%)
=5.3% = 1.05(Market return - 4.2%)
=5.0476% = (Market return - 4.2%)
=Thus market return = 5.0476% +4.2%
= 9.2476%
Now another $ 5 million worth aset has average beta of 0.65
Statement showing beta of portfolio
Amount |
Weight A |
Beta B |
Portfolio beta A x B |
10.00 | 0.67 | 1.05 | 0.70 |
5.00 | 0.33 | 0.65 | 0.22 |
Portfolio Beta | 0.9167 |
Thus new required return
= Required return = Risk free rate of return + Beta(Market return - Risk free rate of return)
= 4.2% + 0.9167(9.2476% -4.2%)
=4.2% + 0.9167(5.0476%)
=4.2% + 4.6271%
=8.83%
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