A stock has annual returns of 7.4 percent, 15.8 percent, -16.4 percent, 12.1 percent, and 22.2 percent for the past five years. What is the geometric average return for the period is _____ percent. Show your answer to the nearest .01%, do not use the % sign in your answer. If the answer is negative, use the - sign.
Geometric average return (Geometric mean) can be calculated with help of below formula -
where,
r1 = return of 1st year
r2= return of 2nd year
rN = return of nth year
n = no. of years
Returns are shown in table below-
Year | Return (%) | 1 + r |
1 | 7.4 | 1.074 |
2 | 15.8 | 1.158 |
3 | -16.4 | 0.836 |
4 | 12.1 | 1.121 |
5 | 22.2 | 1.222 |
Taking 5th under root of 1.424281839, we get-
= 1.07329520054058 - 1
= 0.073295201
= 7.3295201 %
Geometric mean for the period = 7.33 percent (approx)
Hope it helps!
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