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14#
发表于 2012-3-24 14:21
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The total active return over multiple periods is most accurately determined by: A)
| compounding the active return for each period. |
| B)
| taking the difference between the compounded portfolio and benchmark returns. |
| C)
| summing the active return for each period. |
|
Taking the difference between the compounded portfolio and benchmark returns will result in the true total active attribution analysis this can also be accomplished by taking each attribute’s contribution in the first period and compounding it at the benchmark rate of return over the second period and adding that to the attribute’s contribution in the second period which is compounded with the portfolio return from the first period. This process can be seen in the following formula:RA,2 = Ra,1(1 + Rb,2) + Ra,2(1 + Rp,1)
Where:
RA,2 = the two-period active return
Ra,1 = active return for period 1
Rb,2 = return of the benchmark in period 2
Ra,2 = active return for period 2
Rp,1 = return on the portfolio for period 1 |
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