What is XIRR in Mutual Funds: Calculations, Formula and Applications

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XIRR in Mutual Funds

When it comes to investing in mutual funds, understanding the performance of your investments is crucial. One of the most accurate ways to measure this is through XIRR, or Extended Internal Rate of Return. This article will delve into what XIRR is, how it works in mutual funds, its importance, and more.

What Is XIRR?

XIRR stands for Extended Internal Rate of Return. It is a method used to calculate the annualized return on investments that have multiple cash flows occurring at irregular intervals. Unlike the traditional Internal Rate of Return (IRR), which assumes that all cash flows occur at regular intervals, XIRR can handle investments where cash flows are sporadic, making it particularly useful for mutual fund investments, where contributions and withdrawals can happen at any time.

Understand How XIRR Is Accurate With an Example

Consider you invested in a mutual fund on January 1, 2020, with an initial investment of ₹1,00,000. Over the next two years, you made additional investments of ₹50,000 on July 1, 2020, and ₹50,000 on January 1, 2021. On January 1, 2022, the value of your investment grew to ₹2,30,000.

To accurately measure the performance of your investment considering the irregular intervals, XIRR is used. XIRR calculates the rate of return that will make the net present value (NPV) of your cash flows zero, taking into account the specific dates of each cash flow.

How XIRR Works in Mutual Funds

XIRR works by calculating the rate of return that equates the present value of all cash inflows and outflows to the initial investment. This makes it possible to account for the varying amounts and timings of investments and withdrawals. For mutual funds, where investors might make systematic investment plans (SIPs), lump sum investments, and occasional redemptions, XIRR provides a comprehensive view of the investment’s performance.

Why Is XIRR or Extended Internal Rate of Return Important?

XIRR is crucial because it offers a precise measure of investment returns over time, accounting for the exact dates of each transaction. This is important for investors who:

  • Make irregular investments.
  • Withdraw funds at different times.
  • Want to compare the performance of different investments or funds.

What Is a Good XIRR in Mutual Funds?

A "good" XIRR in mutual funds depends on market conditions, the fund's performance, and the investor's goals. Generally, an XIRR higher than the average market return or beating inflation is considered good. For example, if the average market return is 8% and your XIRR is 12%, it indicates strong performance.

XIRR Formula

The formula for calculating XIRR is:

XIRR = (NPV(Cash Flows, r) / Initial Investment) * 100

Where NPV is the net present value, r is the rate of return, and cash flows are the series of investments and withdrawals over time.

How to Calculate XIRR in Mutual Funds?

To calculate XIRR in mutual funds, follow these steps:

  1. List all cash flows (both inflows and outflows) with their respective dates.
  2. Use an XIRR calculator or Excel's XIRR function.
  3. Input the cash flows and their dates into the tool.
  4. The XIRR function will compute the rate of return.

What Are the Benefits of Calculating XIRR in a Mutual Fund?

Calculating XIRR offers several benefits:

  • Accurate measurement of returns considering timing.
  • Better comparison between different investments.
  • Clear understanding of the impact of irregular cash flows.

What Is XIRR in NPS?

In the National Pension System (NPS), XIRR is used to measure the return on contributions made at various times. Like mutual funds, NPS involves multiple cash flows at irregular intervals, making XIRR a suitable measure.

What Is the Difference Between XIRR and CAGR?

The main difference between XIRR and CAGR (Compound Annual Growth Rate) is that XIRR accounts for multiple cash flows at irregular intervals, whereas CAGR assumes a single investment and measures the growth rate over a period.

Limitations of XIRR

Despite its advantages, XIRR has limitations:

  • It can be complex to calculate manually.
  • Results can vary significantly with different cash flow timings.
  • It requires accurate date and amount records for all transactions.


XIRR is an essential metric for evaluating the performance of mutual fund investments with irregular cash flows. It provides a realistic annualized return, helping investors make informed decisions. Whether you're investing in mutual funds or NPS, understanding and calculating XIRR can significantly enhance your investment strategy.

  • What is XIRR?

  • What is the full form of XIRR in mutual funds?

  • How to calculate XIRR in Excel?

  • How is XIRR different from CAGR?

  • Is XIRR annualized?