Compound Annual Growth Rate (CAGR) is used instead of a simple average because it accounts for compounding and smoothens out volatility, providing a more accurate, "real" rate of growth over time. While average returns can be misleadingly high due to massive up-and-down swings, CAGR reflects the actual, consistent annual rate required to grow from an initial to a final value.
Unlike average annual returns, which can be distorted by one strong or weak year, CAGR shows the true compounded growth of the investment. That's why it is considered more reliable when evaluating mutual funds over time.
While they're similar, AAGR and CAGR are different metrics. AAGR provides the numerical average of annual growth rates. On the other hand, CAGR is the average compounded growth rate for the set duration of time.
Facilitates Investment Comparison: CAGR provides a standardized way to compare the growth of different investments over the same time period such as mutual funds, stocks, and other assets. Enables Benchmarking: Investors can use CAGR to compare the performance of their investments against relevant market indices.
CAGR in mutual funds is advantageous because it accounts for the compounding effect and smooths out short-term fluctuations, providing a more accurate representation of the investment's performance. It is commonly used to compare investment opportunities and gauge long-term growth potential.
Limitations of CAGR
There are several differences between a compound annual growth rate and return on investment. Firstly, CAGR is used to find the growth rate of an investment of a company per year whereas ROI can be used for different time periods. This can make ROI more accurate than CAGR when calculating profit for an investment.
The IRR is also a rate of return (RoR) metric, but it is more flexible than CAGR. While CAGR simply uses the beginning and ending values, IRR considers multiple cash flows and periods—reflecting the fact that cash inflows and outflows often constantly occur when it comes to investments.
If you own a business, the CAGR can indicate a lot of factors that are otherwise overlooked. Unlike the concept of 'absolute returns', growth based on CAGR takes into account the element of time. It is thus a better indicator of growth over a period.
XIRR is more appropriate for investments with multiple cash flows occurring at different time intervals. While CAGR can be calculated manually, XIRR typically requires Excel or a financial calculator. Use CAGR if you invest once and hold. Use XIRR if you invest through SIPs or withdraw at different times.
While both measure growth, they convey very different insights. Absolute return shows the total percentage increase over time, whereas CAGR smooths that growth into an annualized rate, revealing consistency and true performance over multiple years.
A good return on investment is generally considered to be around 7% per year, based on the average historic return of the S&P 500 index, adjusted for inflation. The average return of the U.S. stock market is around 10% per year, adjusted for inflation, dating back to the late 1920s.
No, CAGR reflects past performance, not a guaranteed future return. It provides a reference point for evaluating a fund's consistency and potential but cannot predict market fluctuations.
Common Misconceptions About CAGR
It hides volatility. A 15% CAGR stock may have wild yearly swings. CAGR = average growth – Wrong again. Arithmetic averages mislead; CAGR shows compounding impact.
The "15-15 rule" primarily refers to treating low blood sugar (hypoglycemia) by consuming 15 grams of fast-acting carbohydrates, waiting 15 minutes, and then rechecking blood sugar; repeat if still low, then follow with a balanced snack. Less commonly, it can refer to an investment principle: investing ₹15,000 monthly in a mutual fund at a 15% return for 15 years to potentially become a crorepati (millionaire).
A favourable CAGR percentage for an investment is typically considered to be 7% to 10% or higher. A higher CAGR, such as above 10%, is often considered excellent, signaling strong, market-outperforming growth.
Limitations of CAGR
Ignores Short-Term Volatility: CAGR does not account for year-over-year volatility or risks, which can be important for certain types of investments. While it provides a long-term perspective, it may not capture short-term risks or dramatic shifts in performance.
CAGR is a useful metric because it accounts for the compounding effect, where earnings are reinvested to generate additional earnings over time. This makes it an effective tool for comparing the growth rates of different investments, regardless of the variability in their returns over the period being analysed.
The IRR doesn't consider the project's actual dollar value or irregular cash flows. If there are any irregular or uncommon forms of cash flow, the rule shouldn't be applied. If it is, it may result in flawed findings.
Types of Growth Rate
A 10% annualized total return might be considered good by some investors, while others would prefer to see a higher rate. It depends on your investing goals, timeframe, and strategy.
Investments: Investors use CAGR to evaluate historical returns and projected growth rates. One example is assessing a mutual fund's 10-year CAGR. Valuations: Analysts apply CAGR to companies and investments for business valuation purposes. Projecting revenue CAGR is key for creating DCF models.
If you want to invest $10,000 over 10 years, and you expect it will earn 5.00% in annual interest, your investment will have grown to become $16,288.95.