Transform all the values to their logarithms. Using the same example as we did for the arithmetic mean the geometric mean calculation equals. This results in a -362 annual return.
Use the 2 decimal values to find the geometric mean.
Kirkwood points out in a letter to the editors of Biometric Kirkwood 1979 if data are lognormally distributed as LN m s then. Calculating arithmetic geometric and harmonic means in Stata and Excel Understanding arithmetic vs. But I can also calculate the Return of the composite Portfolio vertical aggregation for the month March. Use the 2 decimal values to find the geometric mean.