All about CAGR: Meaning, Calculation, and Importance

When it comes to measuring the growth of an investment, there are various metrics that can be used. One of the most commonly used metrics is the Compound Annual Growth Rate (CAGR). In this article, we will dive into the meaning, calculation, and importance of CAGR, and how it differs from other metrics such as absolute returns.

What is CAGR?

CAGR Definition

Before we dive into the calculation and importance of CAGR, let’s first define what it is. CAGR stands for Compound Annual Growth Rate, and it is a measure of the annual growth rate of an investment over a specific period of time. It takes into account the compounding effect of returns, which means that it considers the growth of the investment over multiple periods, rather than just the overall return.

CAGR Formula

The formula for calculating CAGR is:

Formula of CAGR calulation

CAGR vs Absolute Returns

Now that we understand what CAGR is and how it is calculated, let’s compare it to another commonly used metric – absolute returns. Absolute returns simply measure the overall return of an investment, without taking into account the time period or the compounding effect.

For example, if an investment starts at  ₹100 and ends at ₹150 after 5 years, the absolute return would be 50%. However, the CAGR would take into account the compounding effect and the time period and may be a different number depending on the annual growth rate over those 5 years.

Importance of CAGR

Understanding Annual Growth

One of the main benefits of using CAGR is that it helps investors understand the annual growth rate of their investment. This is important because it allows investors to compare the growth of their investment to other investments or to the overall market.

For example, if an investment has a CAGR of 10%, it means that on average, the investment has grown by 10% each year. This can help investors determine if their investment is performing well or if it is underperforming compared to other options.

Factoring in the Compounding Effect

As mentioned earlier, CAGR takes into account the compounding effect of returns. This is important because it gives a more accurate representation of the growth of an investment over time. Without factoring in the compounding effect, the growth of an investment may appear higher than it actually is.

Comparing Investments with Different Time Periods

Another benefit of using CAGR is that it allows for easy comparison of investments with different time periods. For example, if one investment has a 5-year time period and another has a 10-year time period, it may be difficult to compare their growth using absolute returns. However, by using CAGR, the annual growth rate can be compared, making it easier to determine which investment has performed better.

Long-Term Investment Planning

CAGR is also useful for long-term investment planning. By understanding the annual growth rate of an investment, investors can make more informed decisions about their portfolio and make adjustments as needed. It also allows for more accurate projections and forecasting for future returns.

Impacts of share split

CAGR Calculation Example

Let’s look at an example to better understand how CAGR is calculated and how it differs from absolute returns.

Assume an investment starts at ₹100 and grows to ₹200 after 5 years. The absolute return would be 100%, as the investment has doubled in value. However, the CAGR would be calculated as follows:

In this example, the CAGR is 14.87%, which is lower than the absolute return of 100%. This is because the CAGR takes into account the compounding effect and the time period, giving a more accurate representation of the annual growth rate.

CAGR and Annual Growth

It’s important to note that CAGR is not the same as annual growth. Annual growth simply measures the growth of an investment over a single year, while CAGR takes into account the growth over multiple years. This means that the annual growth rate may fluctuate from year to year, while the CAGR will remain consistent over the entire time period.

Conclusion

CAGR is an important metric for measuring the growth of an investment. It takes into account the compounding effect and the time period, giving a more accurate representation of the annual growth rate. By understanding CAGR, investors can make more informed decisions about their portfolio and plan for long-term growth. So the next time you’re evaluating the performance of an investment, be sure to consider its CAGR.

Anupam Kundu
A professional blogger and an IT freak. The atypical combo of a Civil Service aspirant and a Tech enthusiast.