Tata Overnight Fund vs Union Overnight Fund
Direct Plan, Growth option · Data as on 30-10-2026
Tata Overnight Fund and Union Overnight Fund are both Overnight funds. In the 3 years to 30-10-2026, Tata Overnight Fund (Direct) returned 6.0% a year and Union Overnight Fund (Direct) returned 6.0% a year. Tata Overnight Fund charges 0.09% a year and Union Overnight Fund 0.14% (Direct plans). Their portfolios overlap 2.1%: they hold 2 of the same securities.
Union Overnight Fund
Overnight
- 3 year return
- 6.0%
- Expense ratio
- 0.14%
- NAV
- ₹1,460.72
Which is better, Tata Overnight or Union Overnight? Key differences
It depends on what you want from the fund. These are the differences in numbers, from the data on this page.
- Tata Overnight returned more over 5 years: 5.8% a year against 5.8%.
- Tata Overnight returned more over 3 years: 6.0% a year against 6.0%.
- Tata Overnight costs less: 0.09% a year against 0.14% (Direct plans).
- Tata Overnight swung less over 3 years: a standard deviation of 0.0% a year against 0.0%.
- Tata Overnight is the larger fund: ₹5,556 Cr against ₹657 Cr.
- Their portfolios overlap 2.1%: 2 of the same holdings.
Past returns do not promise future returns. This page is information, not investment advice.
Key facts
From each fund's scheme summary document and AMFI
| Fact | Tata Overnight Fund | Union Overnight Fund |
|---|---|---|
| Fund house | Tata Mutual Fund | Union Mutual Fund |
| Category | Overnight | Overnight |
| AUM | ₹5,556 Cr (30-09-2026) | ₹657 Cr (30-09-2026) |
| NAV | ₹1,465.12 (Direct) | ₹1,460.72 (Direct) |
| Expense ratio (Direct) | 0.09% | 0.14% |
| Expense ratio (Regular) | 0.21% | 0.24% |
| Riskometer | Low | Low |
| Benchmark | CRISIL Liquid Overnight Index (AI) | CRISIL Liquid Overnight Index ##CRISIL Benchmark Disclaimer: CRISIL Indices are the sole property of CRISIL Limited (CRI |
| Launch date | 26-03-2019 | 27-03-2019 |
| Minimum investment | ₹5,000 | ₹5,000 |
| Lock in | None | None |
| Fund managers | Jennifer Karkaria, Vijay Kerkar | Tarun Singh, Devesh Thacker |
| Exit load | NIL | Nil |
Tata Overnight vs Union Overnight: Returns Comparison
Returns as on 30-10-2026. Up to one year they are absolute returns. Longer periods are a rate per year.
| Fund | 1M | 3M | 6M | 1Y | 3Y | 5Y | 10Y |
|---|---|---|---|---|---|---|---|
| Tata Overnight Fund (Direct) | +0.45% | +1.30% | +2.62% | +5.30% | +6.05% | +5.79% | -- |
| Union Overnight Fund (Direct) | +0.45% | +1.29% | +2.60% | +5.26% | +6.02% | +5.77% | -- |
| Overnight average | +0.45% | +1.28% | +2.59% | +5.22% | +5.99% | +5.75% | -- |
Category average: the average of the 40 Overnight funds, same plan type.
Tata Overnight vs Union Overnight: Year-wise Returns
| Year | TataTata Overnight | UnionUnion Overnight |
|---|---|---|
| 2026to date | +4.35% | +4.33% |
| 2025 | +5.86% | +5.81% |
| 2024 | +6.74% | +6.73% |
| 2023 | +6.71% | +6.68% |
| 2022 | +4.70% | +4.70% |
| 2021 | +3.19% | +3.19% |
Tata Overnight vs Union Overnight: Rolling Returns
Every holding period of both funds
Rolling returns
Every 3-year holding period, 1,673 of them, one for each trading day from 28-03-2022 to 30-10-2026: the yearly return (CAGR) of each, plotted on the day it ended. One lucky or unlucky start day cannot flatter or hide a fund.
Tata Overnight Fund (Direct)
Union Overnight Fund (Direct)
to
Aug 2022May 2020
to
May 2023Mar 2021
to
Mar 2024Dec 2021
to
Dec 2024Sept 2022
to
Sept 2025Jun 2023
to
Jun 2026
How the periods spread
| Fund | Below 0% | 0-5% | 5-10% | 10-15% | 15-20% | 20-25% | Above 25% | Mean | Median | Lowest | Highest |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Tata Overnight | 0.0 | 40.9 | 59.1 | 0.0 | 0.0 | 0.0 | 0.0 | 5.2% | 5.5% | 3.7% | 6.5% |
| Union Overnight | 0.0 | 41.1 | 58.9 | 0.0 | 0.0 | 0.0 | 0.0 | 5.2% | 5.5% | 3.6% | 6.5% |
The table shows the % of periods in each return band; a darker cell holds more of them. Lumpsum: the yearly rate (CAGR) from a period's first NAV to its last. SIP: the XIRR of the monthly instalments. Every fund is measured over the days all of them have, from 28-03-2019. Past returns do not promise future returns.
Tata Overnight vs Union Overnight: SIP and Lumpsum Returns
What the same monthly or one-time investment would be worth in each fund today, from their own NAV history
Growth of an investment
₹10,000 on the first trading day of every month, from 28-03-2019 to 30-10-2026: 92 instalments, ₹9,20,000 in all.
| Investment | Invested | Value now | Gain | Return a year |
|---|---|---|---|---|
| Tata OvernightTata Overnight Fund (Direct) | ₹9,20,000 | ₹11,41,223 | ₹2,21,223 | 5.5% |
| Union OvernightUnion Overnight Fund (Direct) | ₹9,20,000 | ₹11,39,956 | ₹2,19,956 | 5.5% |
Tata OvernightTata Overnight Fund (Direct)
Union OvernightUnion Overnight Fund (Direct)
Amount invested
From each plan's published NAV (Growth option), over the same days. Return a year: XIRR for a SIP, CAGR for a lumpsum, shown for a year or more. It does not include exit load, stamp duty or tax. Past returns do not promise future returns.
Tata Overnight vs Union Overnight: Risk and Drawdowns
How much each fund swings, and the worst fall over the same days
Risk and return
| Measure | Tata Overnight Fund (Direct) | Union Overnight Fund (Direct) |
|---|---|---|
| Return (CAGR) | +5.30% | +5.26% |
| Standard deviation | 0.04% | 0.04% |
| Sharpe ratio | 1.26 | 0.41 |
| Sortino ratio | 4.98 | 1.42 |
| Maximum drawdown | 0.0% | 0.0% |
| Beta | -- | -- |
| Alpha | -- | -- |
From daily NAVs, 30-10-2025 to 30-10-2026. Standard deviation: how much the daily value swings, scaled to a year. Sharpe: return above the risk-free rate (NSE's overnight rate index) per unit of swing. Sortino: the same, counting only the falls. Beta and alpha compare each fund with its own benchmark's TRI.
| Measure | Tata Overnight Fund (Direct) | Union Overnight Fund (Direct) |
|---|---|---|
| Return (CAGR) | +6.05% | +6.02% |
| Standard deviation | 0.04% | 0.04% |
| Sharpe ratio | 0.64 | -0.16 |
| Sortino ratio | 1.02 | -0.24 |
| Maximum drawdown | 0.0% | 0.0% |
| Beta | -- | -- |
| Alpha | -- | -- |
From daily NAVs, 30-10-2023 to 30-10-2026. Standard deviation: how much the daily value swings, scaled to a year. Sharpe: return above the risk-free rate (NSE's overnight rate index) per unit of swing. Sortino: the same, counting only the falls. Beta and alpha compare each fund with its own benchmark's TRI.
| Measure | Tata Overnight Fund (Direct) | Union Overnight Fund (Direct) |
|---|---|---|
| Return (CAGR) | +5.79% | +5.77% |
| Standard deviation | 0.06% | 0.06% |
| Sharpe ratio | -0.24 | -0.63 |
| Sortino ratio | -0.31 | -0.80 |
| Maximum drawdown | 0.0% | 0.0% |
| Beta | -- | -- |
| Alpha | -- | -- |
From daily NAVs, 30-10-2021 to 30-10-2026. Standard deviation: how much the daily value swings, scaled to a year. Sharpe: return above the risk-free rate (NSE's overnight rate index) per unit of swing. Sortino: the same, counting only the falls. Beta and alpha compare each fund with its own benchmark's TRI.
| Measure | Tata Overnight Fund (Direct) | Union Overnight Fund (Direct) |
|---|---|---|
| Return (CAGR) | +5.15% | +5.11% |
| Standard deviation | 0.07% | 0.07% |
| Sharpe ratio | -0.28 | -0.82 |
| Sortino ratio | -0.37 | -1.06 |
| Maximum drawdown | 0.0% | 0.0% |
| Beta | -- | -- |
| Alpha | -- | -- |
From daily NAVs, 28-03-2019 to 30-10-2026. Standard deviation: how much the daily value swings, scaled to a year. Sharpe: return above the risk-free rate (NSE's overnight rate index) per unit of swing. Sortino: the same, counting only the falls. Beta and alpha compare each fund with its own benchmark's TRI.
Drawdowns
How far below its previous high each one was on every day: the falls an investor had to sit through. 0% means it was at a new high.
Tata Overnight Fund (Direct)
Union Overnight Fund (Direct)
| Fund | Worst fall | High before it | Bottom | Back at the high | Time to climb back | Below its high today |
|---|---|---|---|---|---|---|
| Tata Overnight Fund (Direct) | 0.0% | -- | -- | -- | -- | 0.0% |
| Union Overnight Fund (Direct) | 0.0% | -- | -- | -- | -- | 0.0% |
From daily values since 28-03-2019, the first day every fund has.
Rolling standard deviation
Whether the swings have grown or calmed over time: the standard deviation of daily changes over every 1-year window, scaled to a year, plotted on the window's last day. Higher means a bumpier ride.
Tata Overnight Fund (Direct)
Union Overnight Fund (Direct)
Whether the swings have grown or calmed over time: the standard deviation of daily changes over every 3-year window, scaled to a year, plotted on the window's last day. Higher means a bumpier ride.
Tata Overnight Fund (Direct)
Union Overnight Fund (Direct)
Whether the swings have grown or calmed over time: the standard deviation of daily changes over every 5-year window, scaled to a year, plotted on the window's last day. Higher means a bumpier ride.
Tata Overnight Fund (Direct)
Union Overnight Fund (Direct)
Tata Overnight vs Union Overnight: Portfolio Overlap
From each fund's latest monthly portfolio: Tata Overnight Fund, September 2026; Union Overnight Fund, September 2026
Holdings in common
- Overlap
- 2.1%
- Held by both
- 2
- Only in Tata Overnight
- 1
- Only in Union Overnight
- 2
| Security | % of Tata Overnight | % of Union Overnight |
|---|---|---|
| ** TREASURY BILL 91 DAYS (01/10/2026) | 1.80% | 3.04% |
| ** TREASURY BILL 364 DAYS (08/10/2026) | 0.27% | 0.76% |
Overlap: for each holding both funds own, the smaller of its two weights, added up. 2.1% means 2.1% of each fund's money sits in positions the other also holds. Matched by ISIN. Cash and hedged positions are left out.
Largest holdings only in Tata Overnight Fund
| Security | % of fund |
|---|---|
| ** TREASURY BILL 91 DAYS (08/10/2026) | 0.90% |
Largest holdings only in Union Overnight Fund
| Security | % of fund |
|---|---|
| 91 Day Treasury Bills | 0.76% |
| 182 Day Treasury Bills | 0.76% |
Asset and sector split
Share of each fund, from its latest monthly portfolio
Asset allocation
| Asset | Tata Overnight | Union Overnight |
|---|---|---|
| Equity | 0.0% | 0.0% |
| Debt | 3.0% | 5.3% |
| Cash and others | 97.0% | 94.7% |
Tata Overnight vs Union Overnight: Expense Ratio
What each plan charges a year, from AMFI's expense ratio file
| Charge | Tata Overnight Fund | Union Overnight Fund |
|---|---|---|
| Total expense ratio (Direct) | 0.09% | 0.14% |
| Base expense ratio (Direct) | 0.05% | 0.06% |
| Total expense ratio (Regular) | 0.21% | 0.24% |
| Base expense ratio (Regular) | 0.16% | 0.15% |
The expense ratio comes out of the fund's assets every day, so every return on this page is already after it. Base expense ratio: the fund house's own fee. The total adds brokerage, transaction costs, and levies with GST.
More comparisons
Each fund against the others of its category
Compare Tata Overnight with
Tata Overnight Fund vs Union Overnight Fund: Frequently Asked Questions
What is the difference between Tata Overnight Fund and Union Overnight Fund?
Both are Overnight funds, run by Tata Mutual Fund and Union Mutual Fund. Their portfolios overlap 2.1%. Tata Overnight Fund charges 0.09% a year and Union Overnight Fund 0.14%.
Which has given higher returns, Tata Overnight Fund or Union Overnight Fund?
Over 1 year: Tata Overnight Fund +5.30%, Union Overnight Fund +5.26%. Over 3 years: Tata Overnight Fund +6.05% a year, Union Overnight Fund +6.02% a year. Over 5 years: Tata Overnight Fund +5.79% a year, Union Overnight Fund +5.77% a year. As on 30-10-2026. Past returns do not promise future returns.
Which has the lower expense ratio, Tata Overnight Fund or Union Overnight Fund?
Tata Overnight Fund charges less: 0.09% a year against 0.14%. These are the Direct plans' total expense ratios reported to AMFI.
How much do Tata Overnight Fund and Union Overnight Fund overlap?
2.1%. They hold 2 of the same securities, the largest shared ones being ** TREASURY BILL 91 DAYS (01/10/2026), ** TREASURY BILL 364 DAYS (08/10/2026). From each fund's latest monthly portfolio.
Which is riskier, Tata Overnight Fund or Union Overnight Fund?
On SEBI's riskometer, Tata Overnight Fund is rated Low and Union Overnight Fund Low. Over 3 years, the standard deviation of daily returns was 0.04% and 0.04% a year.
Which is better for SIP, Tata Overnight Fund or Union Overnight Fund?
Over the last 5 years, a monthly SIP of ₹10,000 from 01-10-2021 to 30-10-2026 grew to ₹7,10,315 in Tata Overnight Fund (XIRR 5.9% a year) and ₹7,09,763 in Union Overnight Fund (XIRR 5.9% a year). Both received 61 instalments. Past returns do not promise future returns.
Can I invest in both Tata Overnight Fund and Union Overnight Fund?
Yes. 2.1% of each fund's money sits in the same holdings, so the two hold mostly different investments.
Who manages Tata Overnight Fund and Union Overnight Fund?
Tata Overnight Fund: Jennifer Karkaria, Vijay Kerkar. Union Overnight Fund: Tarun Singh, Devesh Thacker.
Sources: NAV and expense ratio from AMFI. Holdings from each fund house's monthly portfolio statement. Fund facts from each scheme summary document.
This page is information, not investment advice. Mutual fund investments are subject to market risks; read all scheme related documents carefully. Past returns do not promise future returns. Figures come from AMFI, NSE, BSE and each fund house's own documents.