XIRR : The Definitive Guide to Tracking Real MF Returns
XIRR (Extended Internal Rate of Return) is the gold standard for measuring your actual Mutual Fund (MF) returns. Unlike simple returns or CAGR (Compound Annual Growth Rate), XIRR accounts for the exact timing and amount of multiple cash flows, making it the only accurate way to evaluate SIPs , lump sums with partial withdrawals, and irregular investments. Why CAGR Fails and XIRR Wins If you invest a single lump sum and touch it years later, CAGR works perfectly. But if you invest via a monthly SIP , CAGR treats the total amount as if it was invested on day one, drastically understating your actual performance. Return Metric Best Used For Handles Multiple Transactions? Absolute Return Short-term holds (< 1 year) ❌ No (Ignores time completely) CAGR Point-to-point lump sums ❌ No (Assumes single investment) XIRR SIPs, SWPs , & Irregular Steps Yes (Accounts for exact dates) Hidden Traps When Analyzing XIRR Short-Term Distortion : XIRR annualises returns. If your fund gains ...