The XIRR (Extended Internal Rate of Return) Calculator is the gold standard for measuring the real-world performance of an investment portfolio in India. Unlike simple percentage growth or CAGR (Compound Annual Growth Rate), which assume a single one-time investment, XIRR is designed to handle multiple, staggered, and irregular cash flows.
Whether you are running a monthly SIP in mutual funds, occasionally withdrawing money via SWP, or receiving dividends from stocks, XIRR provides a single 'annualized' percentage that accounts for the exact timing and amount of every transaction. This is crucial because a Rupee invested today is worth more than a Rupee invested a year from now due to the Time Value of Money. Most modern investment apps like Zerodha, Groww, and Upstox use XIRR to show you the most honest reflection of your portfolio's earning power.
The Math: Why XIRR Beats CAGR/IRR
Regular 'Internal Rate of Return' (IRR) assumes that your cash flows occur at equal intervals (e.g., exactly on the 1st of every month). In reality, life isn't that precise. You might start an SIP on the 10th one month and the 25th the next.
- Newton-Raphson Method: Since XIRR cannot be solved using a simple linear formula, our calculator uses an iterative mathematical algorithm. It solves for the 'Discount Rate' that makes the **Net Present Value (NPV)** of all your historical inflows and outflows exactly equal to zero.
- Time Sensitivity: Every transaction in an XIRR calculation is weighted by its tenure. Money that stayed in the market for 3 years contributes more heavily to the final result than money invested only 2 months ago.
- Outflows as Income: Dividends, partial redemptions, and maturity proceeds are treated as positive inflows, helping you see the total 'Wealth Creation' rate of the asset.
Case Study: Irregular Mutual Fund SIP
Imagine you started an SIP with ₹5,000 in Jan 2024. In June, you received a bonus and added ₹50,000. In Dec, you withdrew ₹10,000 for a vacation. Today, your portfolio value is ₹60,000.
• Absolute Return: Very low (as your total invested is near 60k).
• CAGR: Misleading (as most money was only in for 6 months).
• XIRR Result: Provides the exact annualized rate (e.g., 18.4%) that accounts for the fact that roughly 80% of your capital was only deployed for half the year.
Frequently Asked Questions
⚠️ Disclaimer
The figures provided by this calculator are estimates based on the inputs you provide and standard financial formulas. STOCKCALC.IN does not offer investment advice. Please consult a qualified financial advisor before making any investment decisions.