The Danger of Averages
Math is a funny thing, especially when it comes to averages. Let me show you what I mean. Let’s assume you have $100,000. The first year it gains 10% and the second year it loses 10%. Your average return is 0%, right? We add 10, then subtract 10, then divide by 2 years. That’s an average of 0%. But, you’ve actually lost money in this scenario, and here’s how. Start with $100,000. Say you gain 10% the first year, so now you have $110,000. Then you lose 10% of the...
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