Geometric mean

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Revision as of 14:55, 22 November 2014 by imported>Doug Williamson (Updated entry. Source ACT Glossary of terms)
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Geometric mean returns are calculated by taking account of compounding.

(Contrasted with the arithmetic mean, which ignores compounding).

For example, the geometric mean return calculated from sample returns of 4%, 5% and 6% is given by:

(1.04 x 1.05 x 1.06)(1/3) -1

= 4.9968%.


See also