My ETF Journey

What is Annualized Return? (Plain English Definition)

Definition: Annualized return is the average rate of return per year over a given time period, accounting for compounding.

Annualized Return Explained Simply

Annualized return converts the total return of an investment over any time period into an equivalent yearly rate. This makes it easy to compare investments held for different lengths of time. For example, if an ETF gained 50% over 5 years, the annualized return is not simply 10% per year -- it is actually about 8.45% because of compounding.

The formula accounts for the fact that returns build on each other. Earning 8.45% on a growing balance each year produces a higher total gain than earning a flat 8.45% on the original amount. This is why annualized returns provide a more accurate picture than simply dividing total return by the number of years.

Annualized returns are the standard way the investment industry reports long-term performance. When you see that an ETF has returned 9% per year over the past decade, that is an annualized figure. It does not mean the fund earned exactly 9% every single year -- some years may have been up 25% and others down 15% -- but the compounded average works out to 9% annually.

Annualized Return Example

If you invested $10,000 in an ETF and it grew to $16,000 over 5 years, your total return is 60%. The annualized return is about 9.86% per year. This means that if you had earned exactly 9.86% each year compounded, you would end up with the same $16,000. Compare this to another ETF that grew $10,000 to $14,000 over 3 years -- its annualized return is about 11.87%, which is actually a faster pace despite a smaller total gain.

Why Annualized Return Matters for ETF Investors

Annualized returns are essential for comparing ETFs fairly. Without annualizing, you might think a fund that gained 80% over 10 years is better than one that gained 40% over 4 years. But when you annualize them, the first returns 6.05% per year while the second returns 8.78% per year -- the second fund actually grew wealth faster. For ETF investors building long-term portfolios, annualized returns help set realistic expectations. The S&P 500 has historically delivered about 10% annualized returns over long periods. Understanding this helps you project future portfolio growth and plan for financial goals like retirement.

Annualized Return vs Total Return

Annualized ReturnTotal Return
Annualized return is the average rate of return per year over a given time period, accounting for compounding.See full definition of Total Return

While annualized return and total return are related concepts, they serve different purposes in the world of ETF investing. Understanding both terms helps you make more informed decisions about which funds to include in your portfolio and how to evaluate their performance.

Read our full explanation of Total Return

Related Terms

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