July 04, 2026
4 mins read
Overnight funds invest in securities that mature in one day, making them one of the more liquid options in the mutual fund category. They carry minimal credit and interest rate risk due to the short maturity of the underlying instruments. This article covers how overnight funds work, how returns compare to a savings account, who they suit, the tax treatment, and what to keep in mind before parking short-term funds in this category.
Overnight funds are debt mutual funds that invest in securities that mature in just one day. Every single day the money gets reinvested into fresh securities. There is no lock-in period, no exit load, and you can take your money out whenever you need it.
What makes overnight funds stand out is how simple and low-risk they are. Most people leave spare money in a savings account without realising there is a better option sitting right there.
Whether you are waiting to make a bigger investment decision or just want your idle cash to do something useful, overnight funds are one of the most practical short-term options available to any investor.
An overnight fund is a type of debt mutual fund that puts your money into securities that mature in one day. Every morning the fund invests in these short-term instruments, and by the next day those investments mature and the money comes back.
The fund then reinvests it all over again the very next day. This cycle repeats every single working day. Because the investments only last one day at a time, there is almost no credit risk or interest rate risk involved.
The fund does not hold anything for longer than overnight. This makes overnight funds one of the safest categories in the entire mutual fund universe.
They are not designed to give you high returns. They are designed to keep your money safe, accessible, and working slightly harder than it would sitting in a savings account.
The meaning of overnight funds is simple: a safe, short-term home for your money that you can access any time you need it.
Here is what makes overnight funds different from other mutual fund categories:
The investment horizon is just one day at a time. Every night the portfolio matures and every morning it is rebuilt with fresh securities
The risk level is extremely low because there are no long-term holdings that can be affected by market movements or credit issues
There is no lock-in period. You can put money in and take it out on any working day without any restriction
There is no exit load, which means you do not pay any penalty when you redeem your investment
The fund invests mainly in government-backed or highly rated overnight securities, which keeps the quality of the portfolio very high
A professional fund manager handles everything so you do not need to track anything or make any decisions after investing
Liquidity is very high. Your redemption request is typically processed the next working day
The working of an overnight fund is actually quite simple once you understand the daily cycle.
When you invest money into an overnight fund, it gets pooled together with money from other investors. The fund manager takes this pooled money and invests it every day into overnight securities.
These are short-term borrowing instruments where the borrower, usually a bank or financial institution, takes the money for one night and pays it back the next morning with a small amount of interest.
The next morning all those investments mature. The money comes back to the fund along with the interest earned. The fund manager then takes all of that money and reinvests it again into fresh overnight securities for that day. This keeps happening every single working day.
The interest earned each day gets added to the Net Asset Value (NAV) of the fund, which is why you see the NAV of overnight funds going up very slightly but very consistently every single day.
When you decide to take your money out of the fund, simply redeem your units at the current NAV and send the money back to your bank account.
Here is why overnight funds make a lot of sense for certain investors and certain situations:
Your idle money earns something instead of sitting in a savings account doing very little. Even a small difference in returns adds up over time
The risk of losing money is extremely low because the fund never holds any investment for more than one day at a time
Because the investments mature daily, there is no exposure to the kind of volatility that affects longer-term debt funds when interest rates change
You can take your money out on any working day without paying any exit load or facing any restrictions
The fund invests in high-quality overnight instruments, which means the chance of any credit-related loss is very small
It is a much safer option than liquid funds or ultra-short duration funds for investors who want the lowest possible risk
It works very well as a temporary home for large amounts of money while you decide where to invest them permanently
Here are some of the well-known overnight funds available in India:
Groww Overnight Fund
PGIM India Overnight Fund
Axis Overnight Fund
Quant Overnight Fund
ICICI Prudential Overnight Fund
SBI Overnight Fund
Bajaj Finserv Overnight Fund
Mirae Asset Overnight Fund
Before choosing any of these, compare their expense ratios and past returns over one month, three months, and one year.
Since overnight funds all invest in very similar instruments, the expense ratio is often the main factor that separates one fund from another. A lower expense ratio generally means better net returns for you.
Overnight funds are classified as debt funds for tax purposes. Here is how the tax works:
All gains from overnight funds are added to your total income and taxed at your applicable income tax slab rate, regardless of how long you have held the investment
This rule applies whether you hold the fund for one month or three years. The holding period does not change the tax treatment for debt funds after the April 2023 tax rule changes
Dividends received from overnight funds are also added to your income and taxed at your slab rate
For investors in lower income tax brackets, this tax treatment may not make a significant difference
For investors in higher income tax brackets, the returns from overnight funds after tax may be comparable to or slightly better than a savings account, depending on the current interest rate environment
It is worth calculating your post-tax returns and comparing them with other short-term options before deciding how much to park in overnight funds
Investments are subject to market risks. Please read all scheme-related documents carefully before investing.
Overnight funds are not for everyone, but they are a very good fit for specific situations and types of investors. Here is who benefits most:
Conservative investors who cannot afford to lose even a small portion of their money will find overnight funds very comfortable. The near-zero risk makes them suitable for people who prioritise capital safety over returns.
Anyone who needs to park money for a very short period of time, whether it is a few days, a few weeks, or a couple of months, will find overnight funds more useful than putting the money in a savings account.
People who have received a large lump sum, whether from selling a property, receiving a bonus, or getting an inheritance, and have not yet decided where to invest it permanently, can keep the money in an overnight fund while they plan.
Senior citizens or retirees who keep a portion of their savings for immediate expenses can use overnight funds as a safe and slightly more rewarding alternative to a savings account.
Businesses and corporates that need to manage short-term cash flows can also use overnight funds to put their surplus money to work without taking on any meaningful risk.
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Overnight funds are debt mutual funds that invest in securities maturing in one day. The portfolio is rebuilt fresh every single day, making it one of the safest mutual fund categories available.
They carry an extremely low risk. Since investments mature daily there is no interest rate risk or credit risk to worry about. They are among the safest options in the entire mutual fund space.
Conservative investors, people parking money for a short period, those waiting to decide on a long-term investment, and anyone who wants better returns than a savings account with very low risk.
Low risk, high liquidity, no exit load, no lock-in period, better returns than a savings account, and a safe place to park idle money while earning consistent daily returns.
Not entirely. Fixed deposits are better for longer holding periods and give more predictable returns. Overnight funds are better for short-term parking, where you need full flexibility to access your money anytime.
All gains are added to your income and taxed at your applicable slab rate. This applies regardless of how long you stay invested, since overnight funds are classified as debt funds for tax purposes.
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