What is CAGR (Compound Annual Growth Rate)? A Simple Guide
CAGR, or Compound Annual Growth Rate, is the constant annual rate at which an investment would have grown from its start value to its end value over a period. It smooths out year-to-year ups and downs into one steady rate, making it easy to compare investments.
CAGR turns a messy, up-and-down investment journey into one clean annual growth rate. It is the most common way to express long-term returns.
What follows is a no-nonsense guide for Indian mutual fund investors. You can explore mutual funds on Stockk.
Key Takeaways
- CAGR is the steady annual growth rate of an investment.
- It smooths out yearly ups and downs.
- It is ideal for a single lump-sum investment.
- It makes comparing investments easy.
- It does not show year-to-year volatility.
How is CAGR calculated?
CAGR = (End Value / Start Value)^(1/Years) minus 1
CAGR finds the single yearly rate that would take your start value to your end value over the period, as if it grew smoothly each year. Even though real returns bounce around, CAGR expresses them as one steady rate, which is far easier to compare across funds and time.
A simple CAGR example
Picture this: ₹1,00,000 grows to ₹2,00,000 over five years. The actual yearly returns may have varied widely, but the CAGR is the constant rate, about 15%, that links the start and end values smoothly over those five years.
CAGR vs other return measures
| Measure | Best use |
|---|---|
| CAGR | Lump-sum growth over time |
| Absolute return | Total gain, ignoring time |
| XIRR | Multiple cash flows like SIPs |
What CAGR does not show
CAGR hides the bumps along the way, so two funds with the same CAGR can have had very different volatility. It is excellent for comparing smooth, long-term growth, but pair it with a risk measure like standard deviation to understand the ride, not just the destination.
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Mutual fund investments are subject to market risks. Read all scheme related documents carefully. Past performance is not a guarantee of future returns, and this article is for learning only, not investment advice.
Frequently Asked Questions
What does CAGR tell me?
It tells you the steady annual rate at which an investment grew from start to end, smoothing out yearly ups and downs into one comparable figure.
How is CAGR different from absolute return?
CAGR is annualised and accounts for time, while absolute return is the total gain ignoring how long it took. CAGR is better for comparing periods.
When should I use CAGR?
For a single lump-sum investment over time. For multiple cash flows like SIPs, XIRR is the correct measure instead.
Does CAGR show volatility?
No, it hides year-to-year swings, so two funds with the same CAGR can differ in volatility. Pair it with a risk measure for the full picture.
Is a higher CAGR always better?
Higher CAGR means stronger smoothed growth, but consider the risk taken too.
Investments in securities market are subject to market risks. This article is for educational purposes only and does not constitute investment advice.
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