Overnight Fund

Money that comes back tomorrow

An overnight fund is the most conservative slot in SEBI's debt-fund classification. By definition it invests only in securities with a one-day maturity, so the money it lends today is repaid tomorrow, and then redeployed. Because the holdings reset daily, the fund carries almost no interest-rate risk and minimal credit risk.

The instruments are short-term and high-quality, such as reverse repos and other one-day money-market papers. That is what earns the fund its reputation as the lowest-risk debt category in India.

What you trade away

Safety has a price: returns. With virtually no duration and top-quality, ultra-short paper, an overnight fund earns close to the prevailing overnight money-market rate, which broadly tracks the RBI's policy corridor. When the RBI cuts the repo rate, overnight returns drift lower too, so these funds will not make you rich.

They are not built for return. They are built for capital preservation and liquidity, with redemptions typically processed quickly within trading hours.

Where it fits

Think of an overnight fund as a parking lot for cash, not a destination. It suits an emergency corpus, money awaiting deployment, or the safe leg of a Systematic Transfer Plan, where you park a lump sum and move it gradually into equity.

It is often compared with a liquid fund, which holds slightly longer paper and usually earns a touch more with marginally higher risk. For a typical investor the rule of thumb is straightforward: for very short horizons and absolute stability, an overnight fund is hard to beat; for slightly longer parking where you can accept a little more variability, a liquid fund may serve better. Returns here will rarely beat inflation, so it is a place to keep money safe, not to grow it.