SIP vs Lump sum investment
The empirical evidence in India suggests that the returns from a SIP stabilize around the underlying asset's long term average return. I analyzed the Nifty50 data from 01 January 2001 to 01 November 2025. I assumed various investors invested a fixed amount at beginning of each month for a tenure of 299 months (25yrs), 240 months (20yrs), 180months (15yrs), 120 months (10yrs), 60 months (5yrs) and 36 months (3yrs). Actual Nifty50 data (closing price on first day of each month) was taken for the sake of convenience, assuming dividend yield cancelled the fund management charges and tracking error (for ETF investors) and brokerages and impact cost for direct equity investors. The analysis indicates that an SIP in Nifty50 started to outperform the Nifty50 index return only after 7 yrs. The outperformance peaked around 180 months (15yrs) and started to decline. For 20 yrs tenure, Nifty50 monthly SIP returns (CAGR) is almost same as the change in Nifty50. For 25 yrs tenure, SIP returns ou...