New Delhi, Aug. 24 -- For investors planning to start a monthly systematic investment plan (SIP), waiting for the best-performing day may seem like a way to earn higher returns.

But an analysis by WhiteOak Capital Mutual Fund shows that the difference between investing on the best day, the worst day, or a fixed date each month has been relatively narrow over the long term.

The analysis covers 30 years, from August 1996 to July 2026. The returns are measured using XIRR (Extended Internal Rate of Return), which calculates the annualised return on SIP investments while accounting for the timing of each monthly investment.

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