Total return vs annualized return: why both matter
If an investment grows from $10,000 to $15,000, the total return is a straightforward 50%. But that number alone hides an important detail: did it happen over 2 years or 20? Annualized return — also called CAGR, Compound Annual Growth Rate — answers that by expressing the gain as an equivalent constant yearly rate, making it possible to compare investments fairly regardless of how long each was held.
CAGR = (Final Value ÷ Initial Value)^(1 ÷ years) − 1
Why this matters for comparing investments
Two investments with identical total returns can have very different annualized returns if held for different lengths of time, and two investments with very different total returns can have surprisingly similar annualized returns if their holding periods differ enough. CAGR is the standard way investors normalize for this when comparing options.
What CAGR doesn't capture
CAGR smooths an investment's actual path into a single constant rate, which means it hides volatility entirely. An investment that grew steadily and one that dropped sharply then recovered can show the identical CAGR despite a very different — and very differently risky — experience along the way. It's a useful summary statistic, not a complete picture of an investment's risk profile.