CAGR
CAGR (Compound Annual Growth Rate) is the rate at which an investment grows from its initial value to its final value over a specified period, expressed as an annual percentage, assuming the growth is compounded each year. It is the most widely used measure of long-term investment performance in India.
CAGR smooths out the year-to-year fluctuations in an investment's performance, presenting a single annualised growth rate that captures the overall trajectory from start to end. Unlike simple average returns (which can be misleading when returns vary significantly from year to year), CAGR accounts for compounding — the effect of earning returns on previous returns. A CAGR of 15% means that, regardless of interim fluctuations, your investment grew at the equivalent of 15% per year on a compounded basis from inception to the measurement date.
In the Indian context, CAGR is ubiquitous in financial communications. Mutual funds regularly quote 1-year, 3-year, 5-year, and 10-year CAGRs for their schemes as mandated by SEBI. The Nifty 50 delivered a CAGR of approximately 13–14% in rupee terms over the 20 years ending in 2024, a figure that benchmark-tracking index fund investors broadly replicated. Individual stocks like Bajaj Finance delivered extraordinary CAGRs of 30%+ over decade-long periods, compounding investor wealth many times over. Conversely, stocks of companies that stagnated or declined generated negative CAGRs, destroying capital.
For retail investors, CAGR is the single most important return metric to understand. It enables direct comparison between different investment options over the same period: a fixed deposit offering 7% vs an equity fund at 12% CAGR over 10 years results in dramatically different terminal values due to compounding. The CAGR calculator — which computes either the CAGR given start and end values, or the future value given a starting amount and a CAGR — is an indispensable tool for investment planning.
An important limitation of CAGR is that it says nothing about the volatility of the journey between start and end. Two investments may both show a 12% CAGR over 10 years, but one may have had a relatively smooth path while the other experienced a 60% drawdown mid-period before recovering. For investors who cannot hold through severe drawdowns, a lower-CAGR but smoother investment may be more suitable. CAGR should always be interpreted alongside maximum drawdown and Sharpe Ratio for a complete picture of investment quality.