Geometric Average vs. Arithmetic Average: Which is Correct For Investment Returns?
Examples demonstrate that volatility lowers your investment returns. Arithmetic and geometric averages serve different purposes and only geometric averages will accurately reflect compounded investment returns.
Even small differences in investment returns can make huge differences in results over long periods of time. The consequence is investors need to put additional emphasis on the amount of volatility they are willing to accept. It may be that you can increase your long term investment returns by taking LESS risk!
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As founder of the Arbor Investment Planner my passion is to educate and empower the individual investors to manage their own investment portfolio.
The Arbor Investment Planner is a value investment portfolio management guide for those individual investors who choose to manage their own money. I focus on ideas and concepts important to the self directed investor; but put special emphasis on risk management, value investing strategies, and proper asset allocation and diversification.
- Ken Faulkenberry