Do you have some extra cash sitting in your savings account? Do you need easy access to your money but want to earn better returns? An Overnight Fund could be the perfect choice for you. This blog explains what is an Overnight Fund in very simple language. You will also learn how to invest easily using the Sanchaay Karo app.
What is an Overnight Fund? (Very Simple Definition)
An Overnight Fund is a type of debt mutual fund that invests only in securities that mature in one day. According to SEBI rules, an Overnight Fund is an open-ended debt scheme that invests in overnight securities having maturity of 1 day. These securities are bought at the start of the day and mature by the next business day. The entire AUM (Assets Under Management) is in cash at the beginning of each day, and then it is used to purchase overnight bonds. In India, overnight funds became a popular alternative to liquid funds after SEBI tightened credit quality norms for liquid fund portfolios in 2019.
Think of it like this: Your savings account gives you around 3% interest. A Liquid Fund gives around 6.5-7% but is best for a few weeks to a month. An Overnight Fund is the safest of them all. It is designed for money you need tomorrow or in the next few days. You earn slightly more than a savings account, but your money is never locked. You can take it out anytime with no penalty.
SEBI’s 2026 reclassification kept Overnight Funds as the first and safest category under the new debt mutual fund classification framework. It is the lowest-risk category in the entire mutual fund universe.
How Does an Overnight Fund Work? (Step-by-Step)
Overnight Funds pool money from many investors. A professional fund manager then invests that money in overnight securities that mature in one business day. The entire portfolio is reinvested every single day. This daily cycle is what makes Overnight Funds so safe.
Here is a simple step-by-step explanation:
Step 1: Start of the Business Day
At the start of each business day, the fund’s assets are essentially in cash. The fund manager takes that cash and prepares to invest.
Step 2: Purchasing Overnight Securities
The fund manager uses the cash to buy debt securities that will mature by the next business day. These include:
- Tri-party Repo (TREPS) – secured overnight lending
- Reverse Repo – lending to RBI
- CBLOs (Collateralised Borrowing and Lending Obligations)
- Treasury Bills (T-Bills) with 1-day maturity
- Other money market instruments
Step 3: Securities Mature
The next morning, those securities mature. The money comes back with interest.
Step 4: Daily Reinvestment Cycle
The fund manager reinvests the proceeds into fresh overnight securities. This cycle happens every single day.
Step 5: Interest Income Generation
The return the fund generates comes entirely from the interest earned on these overnight instruments. That return is closely tied to prevailing short-term interest rates in the economy, which are influenced by the RBI’s repo rate.
Consequence of this structure: Every security in the portfolio matures within 24 hours. There is almost no possibility of a default going unnoticed, and there is no meaningful exposure to interest rate movements. A one-day security cannot fluctuate much in price because it barely exists long enough to fluctuate. This makes the credit risk and interest rate risk in an Overnight Fund as close to zero as anything in the mutual fund universe gets.
Overnight funds do not charge an exit load even if you redeem your investment in a single day. This feature matters enormously for investors who need genuine flexibility. You are not penalised for changing your mind tomorrow.
Key Features of Overnight Funds
| Feature | What It Means |
|---|---|
| SEBI Mandate of 1 Day Maturity | Invests only in securities with maturity of 1 day. May deploy up to 5% in G-secs/T-bills up to 30 days for margin/collateral |
| Open-ended | You can buy or sell units on any business day |
| Extremely Low Risk | Low interest rate risk and low credit risk due to very short maturity. Virtually zero risk of default |
| High Liquidity | You can redeem your money anytime. Money typically reaches your bank account the next business day (T+1) |
| No Exit Load | Most Overnight Funds have nil exit load, even if you redeem in a single day |
| No Lock-in Period | You are not forced to stay invested for a fixed period |
| Low Expense Ratio | Expense ratio is very low (often 0.05–0.30%) because funds are not actively managed |
| Short Investment Horizon | Ideal investment horizon is 1 day to 1 week |
| Professional Management | Expert fund managers handle all decisions |
| Minimum Investment | You can start with as little as ₹500 |
Benefits of Investing in Overnight Funds
Here are the main benefits of adding an Overnight Fund to your mutual fund portfolio:
| Benefit | Why It Matters |
|---|---|
| Capital Safety | Since the securities mature within 24 hours, the risk of default is extremely low. Your principal is very safe |
| Unaffected by Market Volatility | The short investment horizon protects Overnight Funds from interest rate fluctuations, credit risks, and uncertainty against liquidity |
| High Liquidity | You can redeem your money on any business day. Funds are typically credited the next business day (T+1). This is almost as fast as a savings account |
| Better Returns than Savings Account | Overnight Funds typically offer slightly higher yields (5-6%) than a bank savings account (around 3%) while keeping your money easily accessible |
| No Penalty for Withdrawal | Unlike fixed deposits that charge a penalty for premature withdrawal, Overnight Funds have nil exit load. You can withdraw anytime without penalty |
| Low Expense Ratio | Overnight Funds come with an expense ratio of less than 1%. Since the investment is not managed actively, the costs involved are lower compared to other mutual funds |
| Helps in Emergencies | Considering their high liquidity, these funds can be liquidated immediately at times of emergencies. You can efficiently use Overnight Funds to back up your emergencies |
| Maximum Utilisation of Idle Cash | Idle cash does not bring you any profit but keeps you concerned about its safety if kept at home. You can invest it in Overnight Funds and rest assured it is safe and will provide you with higher returns than a savings account |
| Ideal for Systematic Transfer Plans (STPs) | Wealth managers believe investors can allocate spare money in their bank accounts to Overnight Funds to earn more than a savings account and then run a systematic transfer plan (STP) to invest in an equity fund |
| Low Minimum Investment | Start with as little as ₹500 – very accessible to all |
Note: According to AMFI data, there are 35 Overnight Fund schemes managing assets worth ₹96,490 crore with 863,000 folios. Over the last one year, investors have earned an average of 6.67% in such schemes. Over three years, they have earned 5.65%. This is higher than the 2.7-4.0% that they earn in a bank savings bank account or post office savings account.
Risks of Overnight Funds (Must Read)
Overnight Funds are the safest among debt mutual funds, but they are not 100% risk-free. Every investor must understand the risks of Overnight Funds:
| Risk | Explanation |
|---|---|
| Low Returns | Gains are modest compared to longer-term debt funds or equity funds. Overnight Funds are not meant to beat inflation but to provide safety and liquidity |
| Reinvestment Risk | Returns depend on daily reinvestment rates, which may vary. If interest rates fall, fresh investments earn lower returns |
| Not for Wealth Creation | Suitable only for short-term cash management, not for building long-term wealth. For goals beyond 1 year, equity funds are better |
| Liquidity Risk | In a stressed liquidity scenario, even overnight securities may face some issues, though this is extremely rare |
| Credit Risk | Although very low (close to zero), there is a theoretical risk that a counterparty in a repo transaction may default. However, securities are collateralised, reducing this risk significantly |
Note: The Potential Risk Class (PRC) matrix of PGIM India Overnight Fund is A-I, which means that the fund has relatively low interest rate risk and relatively low credit risk. This is the lowest risk classification possible for a debt fund.
Who Should Invest in Overnight Funds? (Ideal Investor Profile)
Overnight Funds are perfect for:
- Investors with extremely short-term horizon of 1 day to 1 week. Financial planners advise investors to use Overnight Funds for a time frame of between one day and one week
- Conservative investors seeking low-risk options with high liquidity
- People with idle cash in their savings account who want to earn better returns without sacrificing access to their money
- Investors looking for a safe place to park surplus funds temporarily
- Salaried individuals who want to park their bonus or surplus cash for a few days
- Corporates and institutions parking large sums temporarily for treasury management
- Investors who need immediate access to funds for emergencies
- Risk-averse individuals seeking safer alternatives to savings accounts
- Investors who want to run a Systematic Transfer Plan (STP) into equity funds
Who should AVOID Overnight Funds?
- Aggressive investors seeking very high returns (consider equity funds or long-term debt funds instead)
- Long-term investors with a horizon of over 1 year – equity funds or longer duration debt funds may offer better returns
- Investors who need guaranteed returns – FDs may be more suitable
- Investors who want to beat inflation – Overnight Funds may not achieve this
Overnight Fund vs Liquid Fund vs Money Market Fund (Simple Comparison)
Many investors get confused between these three categories. Here is a simple comparison based on SEBI rules:
| Fund Type | Investment Maturity | Return Potential | Risk Level | Best For |
|---|---|---|---|---|
| Overnight Fund | 1 day | 5-6% | Very Low | 1 day to 1 week |
| Liquid Fund | Up to 91 days | 6.5-7% | Low | 1 week to 1 month |
| Money Market Fund | Up to 1 year (365 days) | 7-7.5% | Low to Moderate | 3-12 months |
Key differences:
- Overnight Funds invest only in securities with maturity of 1 day, making them the safest among all debt funds. Liquid funds invest in debt & money market securities with maturity of up to 91 days and have slightly higher risk than Overnight Funds.
- Overnight Funds have no exit load, while Liquid Funds may have a nominal graded exit load up to 6 days.
- Money Market Funds are suitable if you wish to have dominant exposure to money market instruments and have an investment time horizon of up to a year.
Overnight Fund vs Bank FD – Which is Better?
| Aspect | Overnight Fund | Bank FD |
|---|---|---|
| Liquidity | High – redeem anytime, money credited T+1 | Low – lock-in period; premature withdrawal penalty |
| Returns | Not fixed (5-6% currently), linked to repo rate | Fixed, predetermined interest rate |
| Risk | Very low – insulated from interest rate fluctuations and credit defaults | Very low – deposits up to ₹5 lakh insured by DICGC |
| Lock-in | No lock-in period | Fixed lock-in period |
| Exit Load/Penalty | Nil exit load | Penalty for early withdrawal |
| Minimum Investment | Low (₹500) | Varies (often ₹1,000-₹10,000) |
| Returns Guarantee | No guarantee – market-linked | Yes – guaranteed returns |
| Taxation | Taxed at slab rate | Taxed at slab rate with TDS |
Which is better? An Overnight Fund is a good choice if you need high liquidity for an emergency fund or a temporary cash surplus. However, if capital preservation and assured returns are your priority, a Fixed Deposit (FD) is a better option. An FD is also a good choice if you have a specific sum of money that you can set aside for a fixed period.
Top Overnight Funds in India (2026)
Here are some of the best Overnight Funds in India based on AUM and performance (as of 2026):
| Fund Name | AUM (₹ Crore) | 1-Year Return (%) | Expense Ratio (Direct) | Exit Load | Modified Duration (Days) | Yield to Maturity (%) |
|---|---|---|---|---|---|---|
| Axis Overnight Fund | 7,849 | 5.5% | ~0.09% | Nil | 2 days | 5.04% |
| SBI Overnight Fund | ~2,973 | 5.4% | ~0.08% | Nil | — | — |
| HDFC Overnight Fund | ~19,000 | 5.6% | ~0.08% | Nil | — | — |
| ICICI Prudential Overnight Fund | ~18,000 | 5.6% | ~0.08% | Nil | — | — |
| Nippon India Overnight Fund | ~8,381 | 5.6% | ~0.08% | Nil | — | — |
| Kotak Overnight Fund | ~15,000 | 5.6% | ~0.08% | Nil | — | — |
| UTI Overnight Fund | ~2,973 | 5.4% | ~0.08% | Nil | — | — |
| Invesco India Overnight Fund | 332 | 5.3% | 0.12% | Nil | 1.0 day | 5.01% |
| Franklin India Overnight Fund | 758 | 5.8% | 0.11% | Nil | — | — |
| Bajaj Finserv Overnight Fund | 1,257 | 5.5% | 0.08% | Nil | — | — |
Data sources: FundsIndia, Axis Mutual Fund, UTI Mutual Fund
Note: Axis Overnight Fund has a modified duration of just 2 days and an average maturity of 2 days, keeping volatility extremely low. Invesco India Overnight Fund has a modified duration of 1 day, the lowest possible.
Disclaimer: Past performance does not guarantee future returns. Please consult your financial advisor before investing.
When Should You Invest in Overnight Funds? (Timing Matters)
| Market Scenario | Interest Rate Trend | Expected Impact | Investor Action |
|---|---|---|---|
| Falling Interest Rates | Downward | Returns may decrease as new investments earn lower interest | Still suitable for short-term parking |
| Rising Interest Rates | Upward | Returns increase as new investments earn higher interest | Good time to invest |
| Stable Interest Rates | Steady | Stable, predictable returns | Suitable for short-term parking |
| 1 Day to 1 Week Horizon | Any | Overnight Funds offer high liquidity and safety | Ideal investment horizon |
Overnight Funds are not meant for timing the market. They are designed for short-term parking of cash. The best time to invest is whenever you have idle cash that you do not need for a few days but want to keep accessible.
Taxation on Overnight Funds (Simple Rules for FY 2026-27)
Overnight Funds are treated as debt mutual funds for taxation purposes. The tax rules changed significantly from April 1, 2023.
| Purchase Date | Holding Period | Tax Treatment |
|---|---|---|
| On or after April 1, 2023 | Any period | Gains added to your income and taxed as per your income tax slab rate |
| Before April 1, 2023 | Less than 3 years | STCG added to your income and taxed as per your slab rate |
| Before April 1, 2023 | 3 years or more | LTCG taxed at 20% after indexation benefit |
Key tax rules for FY 2026-27:
- Finance Minister Nirmala Sitharaman’s Budget 2026 kept income tax slabs unchanged, retaining the structure of the new regime where a zero tax rate applies up to ₹4 lakh, and the top marginal rate is 30% above ₹24 lakh
- Debt mutual funds purchased after April 1, 2023 are taxed at slab rates regardless of the holding period, reducing their tax efficiency for long-term investors
- Dividends (IDCW) are added to your income and taxed as per your slab rate
- The fund house deducts 10% TDS under Section 194K if your dividend exceeds ₹5,000 in a financial year
- For NRIs investing in Overnight Funds, the TDS rates are similar: 20% for STCG and 12.5% for LTCG (or as per applicable slab rate)
Example: If you fall in the 30% tax bracket and earn a capital gain of ₹10,000 from an Overnight Fund purchased after April 1, 2023, you will pay ₹3,000 as tax (30% of ₹10,000), regardless of how long you held the investment.
Note: Overnight Funds do not provide tax deductions or exemptions like some other investments. For investments made after April 1, 2023, the indexation benefit for LTCG on debt funds, including Overnight Funds, has been removed, reducing the tax advantage.
How to Invest in Overnight Funds Using Sanchaay Karo App
Now that you understand what an Overnight Fund is, the next step is investing. The easiest way is through the Sanchaay Karo app.
Sanchaay Karo is a simple, trusted, and SEBI-registered mutual fund investment platform. It helps you invest in top Overnight Funds and hundreds of other funds with just a few taps.
Why Choose Sanchaay Karo App for Overnight Fund Investment?
- Smart Goal-Based Investing: Tell the app your goal (emergency fund, short-term savings, or parking idle cash). It suggests the right Overnight Fund based on your risk profile and investment horizon
- Simple Dashboard: See all your investments in one place – no confusion or clutter. Track NAV, returns, and portfolio in real time
- Quick KYC: Complete your KYC online using Aadhaar and PAN in just 5 minutes. Paperless KYC is fully supported
- Start SIP from ₹500: You don’t need a lot of money. Start small with a Systematic Investment Plan (SIP) . You can do monthly SIP, weekly SIP, or daily SIP
- Track Performance: Get regular updates on how your Overnight Fund is performing against its benchmark (Nifty 1D Rate Index)
- No Hidden Charges: Transparent and low-cost. You can choose between regular plan and direct plan options. Direct plans have lower expense ratios
- Stay On Track: Get timely reminders so your SIPs never stop
- Access to All AMCs: Invest in Axis Overnight Fund, SBI Overnight Fund, HDFC Overnight Fund, ICICI Prudential Overnight Fund, Nippon India Overnight Fund, Kotak Overnight Fund, UTI Overnight Fund, Invesco India Overnight Fund, Franklin India Overnight Fund, Bajaj Finserv Overnight Fund, and many more
Steps to Invest in Overnight Funds (Very Easy)
- Download the Sanchaay Karo app from Google Play Store or Apple App Store
- Sign up using your mobile number and email
- Complete KYC – upload PAN card and Aadhaar (fully paperless). You can also do video KYC if needed
- Search for “Overnight Fund” or let the app recommend one based on your financial goals
- Compare different Overnight Funds based on returns, expense ratio, exit load, modified duration, yield to maturity (YTM) , and fund manager track record
- Choose between lumpsum (one-time) or SIP investment. For Overnight Funds, lumpsum is common for short-term parking
- Pay using UPI, net banking, or debit card
- Done! Your investment starts growing. You will receive regular statements
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Important Tips Before Investing in Overnight Funds
Before you invest in an Overnight Fund, keep these points in mind:
- Understand the Investment Horizon: Overnight Funds are best for 1 day to 1 week. For longer durations (1-3 months), Liquid Funds may offer better returns
- Check Modified Duration: Modified duration shows how sensitive the fund is to interest rate changes. Lower duration means more stability. Overnight Funds typically have duration of 1-2 days
- Check Credit Quality: Ensure the fund invests in highly rated instruments with P1+ rating for lower credit risk. T-Bills are the safest (sovereign-backed)
- Check Exit Load: Most Overnight Funds have nil exit load. But always check the Scheme Information Document (SID) before investing
- Compare Expense Ratios: Direct plans have much lower expense ratios (often 0.05-0.15%) than regular plans (often 0.50-1.00%). Over time, this difference matters
- Do Not Use for Long-Term Goals: Overnight Funds are not suitable for long-term wealth creation (over 1 year). Equity funds have historically given much higher returns over the long term
- Use for Emergency Funds: Overnight Funds are ideal for emergency funds because they offer high liquidity, low risk, and better returns than a savings account
- Monitor Interest Rate Movements: When interest rates are rising, Overnight Funds benefit. When rates fall, returns may decrease. However, this impact is minimal due to the short duration
- Avoid Chasing Returns: Overnight Funds are not for chasing high returns. They are for safety and liquidity. Do not expect double-digit returns
- Check Minimum Investment: Most Overnight Funds accept lumpsum investments as low as ₹500. Some funds have a minimum SIP of ₹100-₹1000
Frequently Asked Questions (FAQs) About Overnight Funds
Q1: Are Overnight Funds safe?
A: Overnight Funds are considered the safest among debt mutual funds. They have very low interest rate risk and very low credit risk. However, they are not 100% risk-free. They are much safer than Liquid Funds or equity funds.
Q2: Can I lose money in Overnight Funds?
A: Yes, you can lose money, but the chance is extremely low. The securities mature within 24 hours, so there is almost no possibility of a default or price fluctuation. However, returns are not guaranteed.
Q3: What is the minimum SIP amount for Overnight Funds?
A: Most Overnight Funds allow SIP starting from ₹500 per month. Through the Sanchaay Karo app, you can start with as little as ₹500. Some funds have a minimum SIP of ₹100.
Q4: How much returns can I expect from Overnight Funds?
A: Historically, Overnight Funds have delivered 5-6% annual returns. Over the last one year, investors have earned an average of 6.67% in such schemes. Over three years, they have earned 5.65%. This is higher than a savings account (around 3%).
Q5: What is the difference between Overnight Funds and Liquid Funds?
A: Overnight Funds invest in securities with maturity of 1 day, while Liquid Funds invest in debt & money market securities with maturity up to 91 days. Overnight Funds have lower risk and lower returns than Liquid Funds.
Q6: How are Overnight Funds taxed?
A: For units purchased after April 1, 2023, all gains are added to your income and taxed as per your income tax slab rate, regardless of the holding period.
Q7: Can NRIs invest in Overnight Funds?
A: Yes, NRIs can invest in Overnight Funds through Sanchaay Karo app using their NRE/NRO account.
Q8: What is the expense ratio of Overnight Funds?
A: Expense ratios for direct plans typically range from 0.05% to 0.15%. Regular plans have higher expense ratios (often 0.50-1.00%). For example, Axis Overnight Fund has an expense ratio of 0.09% for the direct plan.
Q9: What is the exit load for Overnight Funds?
A: Most Overnight Funds have nil exit load. You can redeem your investment in a single day without any penalty. This is one of the biggest advantages of Overnight Funds.
Q10: What is the ideal holding period for Overnight Funds?
A: The ideal investment horizon for Overnight Funds is 1 day to 1 week. For longer periods (1-3 months), Liquid Funds may be more suitable. For 3-12 months, Money Market Funds may be better.
Final Words – Should You Invest in an Overnight Fund?
Yes, if you:
- Have idle cash that you do not need for 1 day to 1 week
- Are a conservative investor seeking the safest debt mutual fund option
- Want better returns than a savings account (5-6%) without sacrificing liquidity
- Need immediate access to your money with no penalty
- Are building an emergency fund and want it to grow while remaining easily accessible
- Want to diversify your portfolio with a low-risk, highly liquid debt allocation
- Are looking for a safe place to park surplus funds temporarily
- Want to run a Systematic Transfer Plan (STP) into equity funds
No, if you:
- Are an aggressive investor seeking very high returns (consider equity funds instead)
- Have a long-term horizon (over 1 year) – equity funds or long-term debt funds may be better
- Need guaranteed returns – FDs may be more suitable
- Want to beat inflation – Overnight Funds may not achieve this
- Cannot tolerate even the smallest amount of risk – savings accounts are safer
Overnight Funds offer an excellent balance of safety, liquidity, and modest returns for extremely short-term goals. They are the safest category in the entire mutual fund universe and are perfect for parking idle cash, building emergency funds, or holding money before moving it to other investments.
The golden rule for Overnight Fund investing: Use them for 1 day to 1 week, compare expense ratios, choose direct plans, and always check the exit load structure.
Start your investment journey today with the Sanchaay Karo app.
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Disclaimer: This blog is for educational purposes only. Mutual fund investments are subject to market risks. Overnight Funds carry low interest rate risk and low credit risk. Please read all scheme related documents carefully, including the Scheme Information Document (SID) and Statement of Additional Information (SAI) , and consult your financial advisor before investing. Past performance does not guarantee future returns. The Sanchaay Karo app is a platform for mutual fund investments; all investments are subject to market risk.
