A company has a portfolio of two investments. Information on the investments is given in the table.
Investment 1 |
Investment 2 |
|
Portfolio Weight |
0.46 |
0.54 |
Expected/Mean Return |
0.0485 |
0.0875 |
Variance |
0.000484 |
0.001089 |
Covariance |
0.0003267 |
What is the average portfolio return?
What is the standard deviation of the portfolio return?
i)
Weight of investment 1=w1=0.46
Weight of investment 2=w2=0.54
Return on investment 1=r1=0.0485
Return on investment 2=r2=0.0875
Average portfolio return=0.46*0.0485+0.54*0.0875=0.06956 or 6.96%
ii)
Standard deviation of investment 1==0.000484^0.5=0.022
Standard deviation of investment 2==0.001089^0.5=0.033
Covariance=0.0003267
Standard deviation of portfolio is given as
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