A Nifty 50 ETF and a Nifty 50 index fund can look almost identical at first. Both aim to follow the Nifty 50. The difference becomes clearer once you actually invest: an ETF is bought and sold on a stock exchange, while an index fund follows the mutual fund route and transactions take place at the applicable NAV.
That changes how you invest, how prices are determined, what costs you may pay and how easily you can set up regular investments. So, a Nifty 50 ETF vs index fund comparison is less about finding one universally better option and more about understanding which format fits the way you want to invest.
Table of Contents
What is a Nifty 50 ETF?
A Nifty 50 ETF is an exchange-traded fund that aims to replicate the Nifty 50 index. Its portfolio broadly follows the same set of large cap stocks and weights as the benchmark.
ETFs are passive investment products that track an index rather than relying on active stock selection. They are listed on stock exchanges, which means units can be bought and sold during market hours at prevailing market prices.
Key Takeaways
- A Nifty 50 ETF and Nifty 50 index fund can both track the Nifty 50, but the way you buy, sell and invest regularly is different.
- ETFs trade on the stock exchange during market hours, while index fund transactions are processed at the applicable NAV.
- ETF investing through the exchange requires a demat account and trading account, while a conventional index fund investment does not.
- Comparing costs means looking beyond the expense ratio because ETF transactions may also involve brokerage and bid-ask spreads.
- Neither structure inherently offers higher returns, so tracking error, tracking difference, costs and investment convenience are more useful comparison points.
Since ETFs are traded on exchanges, investors typically require a demat and trading account to transact. The traded price of an ETF may differ slightly from its underlying net asset value (NAV) due to factors such as demand-supply dynamics and bid-ask spreads.
As with other index-linked products, ETF returns may vary from the benchmark due to factors such as expenses and tracking error.
What is a Nifty 50 index fund?
A Nifty 50 index fund is an open-ended mutual fund scheme that seeks to track the Nifty 50. Instead of selecting stocks based on a fund manager’s view of which companies may perform better, the fund generally invests in the companies that make up the index in broadly similar proportions.
Investors buy or redeem units through the mutual fund route at the applicable NAV. A demat account is not required for conventional index fund investing, and SIP facilities are commonly available subject to the terms of the individual scheme.
The aim is to stay close to the benchmark rather than outperform it. Expenses and day-to-day portfolio movements can still create a small difference between the fund’s return and the return of the index it tracks. Bajaj Finserv Nifty 50 Index Fund, for example, is an open-ended scheme tracking the Nifty 50 and uses the Nifty 50 TRI as its benchmark.
Nifty 50 ETF vs index fund: detailed comparison
The easiest way to understand the ETF vs index fund difference is to look at what changes for you as an investor:
| Features | Nifty 50 ETF | Nifty 50 index fund |
| What it does | Seeks to track the Nifty 50 | Seeks to track the Nifty 50 |
| How you invest | Buy and sell units on a stock exchange | Invest through the AMC or a mutual fund platform |
| Pricing | Market price changes during trading hours | Transaction takes place at the applicable NAV |
| Demat account | Required for exchange-based transactions | Not required for the conventional mutual fund route |
| Trading account | Required for exchange transactions | Not required for conventional mutual fund transactions |
| Regular investing | Recurring ETF purchases may depend on the broker or platform | Conventional SIP facility is generally available, subject to scheme terms |
| Minimum investment | Depends largely on the market price of the tradable unit and applicable lot size | Determined by the individual scheme |
| Costs | Scheme expenses plus any applicable exchange transaction costs, brokerage and the bid-ask spread | Scheme expenses, which may vary by plan and scheme |
| Liquidity | Units can be bought or sold during market hours at available market prices | Units can generally be redeemed with the mutual fund on business days |
| Price and NAV | Market price can differ from the NAV | Transaction is processed at applicable NAV |
| Tracking | Tracking error and tracking difference can arise | Tracking error and tracking difference can arise |
SEBI’s investor material confirms that an ETF’s exchange price is determined by market demand and supply and may trade above or below its NAV.
What is tracking error in ETFs and index funds?
Two Nifty 50 funds can follow the same benchmark without producing exactly the same return. This is where tracking error and tracking difference become useful.
Tracking error looks at how consistently a fund stays close to its benchmark. Under SEBI’s current framework, it is measured using the annualised standard deviation of the difference between the daily returns of the underlying index and the scheme’s NAV.
Tracking difference, on the other hand, looks at the annualised difference between the returns of the index and the NAV of the ETF or index fund.
| Measure | What it helps you understand |
| Tracking error | How consistently the scheme has followed its benchmark |
| Tracking difference | How much the scheme’s return has differed from its benchmark |
Scheme expenses, cash holdings, portfolio rebalancing and the timing of transactions can contribute to these differences.
For passive funds, the expense ratio is only one part of the comparison. Tracking error and tracking difference provide additional context on how closely a scheme has followed its stated benchmark.
Source: SEBI; tracking error and tracking difference definitions are based on the prevailing mutual fund framework, as on August 28, 2026.
Expense ratio: ETF vs index fund, which is cheaper?
ETFs are often associated with low expense ratios, but the ETF vs index fund cost comparison is not quite as simple as checking which percentage is smaller.
An ETF investor may have exchange-related costs such as brokerage, while the bid-ask spread can also influence the price at which units are bought or sold. Because the ETF trades on an exchange, its market price can be slightly above or below its NAV.
With an index fund, transactions take place at the applicable NAV rather than through an exchange order book. Its expense ratio will depend on the scheme and plan selected.
SEBI’s 2026 mutual fund framework also distinguishes the Base Expense Ratio (BER) from the broader Total Expense Ratio framework, which includes permitted brokerage and applicable regulatory and statutory levies. For investors, that makes the latest scheme-level expense disclosures more useful than a blanket assumption that every ETF will always be cheaper than every index fund.
So, compare the total cost of investing, not just one expense-ratio number.
Do Nifty 50 ETFs or index funds offer higher returns?
Neither structure automatically produces higher returns.
If a Nifty 50 ETF and a Nifty 50 index fund track the same benchmark, their underlying market exposure is broadly similar. Differences in Nifty 50 ETF returns and index fund returns can arise from scheme expenses, portfolio rebalancing, cash holdings and how closely each scheme tracks the index.
For an ETF investor, the actual buying and selling price can add another small difference because ETF units trade at market prices rather than directly at NAV.
This is why comparing two schemes over the same period is more useful than assuming that an ETF or index fund will perform better purely because of its structure. Look at the stated benchmark, current costs, tracking error and tracking difference together.
Where the benchmark is Nifty 50 TRI, remember that the Total Returns Index accounts for both price movements and dividends from index constituents.
Source: NSE Indices; Nifty 50 TRI accounts for both constituent price movements and dividends, as on August 28, 2026.
Liquidity and trading flexibility: ETF vs index fund
ETFs offer trading flexibility, as units can be bought or sold on stock exchanges during market hours. This gives investors access to intra-day pricing, which some may prefer when timing their transactions.
Index funds, on the other hand, follow a different process. Transactions are executed at the applicable end-of-day net asset value (NAV), rather than at real-time market prices. For investors who are less focused on intra-day movements and more focused on long-term accumulation, this approach may feel easier to manage.
SIP investing: Can you start an SIP in a Nifty 50 ETF?
A Nifty 50 index fund fits naturally into the conventional mutual fund SIP process. You choose an amount and frequency, and investments are made according to the SIP mandate, subject to the scheme’s terms.
A Nifty 50 ETF works differently because units are traded on an exchange. Some brokers or investment platforms may provide recurring purchase features for ETFs, but these are exchange-based transactions and the units are bought at the market price available when the order is executed.
That distinction matters if your priority is automated monthly investing. An index fund provides the familiar mutual fund SIP route, while an ETF gives you exchange-based trading flexibility.
Tax treatment: ETF vs index fund
For a Nifty 50 ETF and Nifty 50 index fund that qualify as equity-oriented funds, the capital gains tax treatment is broadly similar.
Units of an equity-oriented fund held for 12 months or less are treated as short-term capital assets. If the conditions of Section 111A are met, short-term capital gains on transfers taking place on or after 23 July 2024 are taxed at 20%.
Units held for more than 12 months qualify as long-term capital assets. Under Section 112A, qualifying long-term capital gains above the aggregate threshold of ₹1.25 lakh in a financial year are taxed at 12.5%, subject to the applicable conditions.
Who should choose an ETF and who should choose an index fund?
Both routes can give you Nifty 50 exposure. The difference is mostly about how you prefer to invest:
| A Nifty 50 ETF may suit you if… | A Nifty 50 index fund may suit you if… |
| You already use a demat and trading account | You prefer investing through the mutual fund route |
| You want to buy or sell during market hours | Intraday pricing is not important to you |
| You are comfortable placing exchange orders | You prefer transactions at the applicable NAV |
| You want control over the price at which you place an order | You want a conventional SIP for regular investing |
| You are comfortable comparing trading costs and bid-ask spreads | You do not want a demat account solely for this investment |
There isn’t a universal winner. If both schemes track the same Nifty 50 benchmark, the more useful decision is which investing process you are likely to find easier to use consistently.
Nifty 50 investment options from Bajaj AMC
Bajaj AMC offers both routes for investors who want exposure to the Nifty 50:
Bajaj Finserv Nifty 50 ETF
Bajaj Finserv Nifty 50 ETF is an open-ended exchange-traded fund that tracks the Nifty 50 Index, with Nifty 50 TRI as its benchmark. It was launched on 19 January 2024 and is listed on both NSE and BSE. Its NSE symbol is NIFTYBETF, while its BSE code is 544092.
For exchange transactions, investors can buy or sell the ETF in lots of one unit and multiples thereof during trading hours.
Bajaj Finserv Nifty 50 Index Fund
Bajaj Finserv Nifty 50 Index Fund is an open-ended index fund that seeks to replicate the Nifty 50 by investing in its constituents in broadly similar weightages. Its benchmark is Nifty 50 TRI, and the scheme was launched in May 2025.
The scheme also provides a conventional SIP facility, with SIP investments starting from ₹500, subject to the applicable scheme terms.
The underlying index exposure is similar, but the route is different. The ETF provides exchange-based investing and intraday prices, while the index fund provides NAV-based investing and the conventional mutual fund SIP experience.
Source: Bajaj AMC; Bajaj Finserv Nifty 50 ETF is listed on NSE and BSE, while Bajaj Finserv Nifty 50 Index Fund offers investments and SIPs starting at ₹500, as on August 28, 2026.
Conclusion
A Nifty 50 ETF vs index fund decision does not have to be complicated. Both can provide passive investing exposure to the Nifty 50. What changes is how you invest.
An ETF offers exchange trading and intraday pricing, while an index fund offers NAV-based transactions and a conventional SIP route. Comparing costs, tracking efficiency and the investing process can help you decide which structure better matches the way you prefer to invest.
FAQs
Is the Nifty 50 itself an ETF or an index fund?
Neither. The Nifty 50 is a market index representing 50 large and liquid companies listed on the NSE. ETFs and index funds are investment products that can be designed to track this index. Nifty Indices also maintains the Nifty 50 Total Returns Index, which incorporates dividends from index constituents.
Which is safer, a Nifty 50 ETF or a Nifty 50 index fund?
If both track the same Nifty 50 benchmark, their underlying equity-market exposure is broadly comparable. The main differences lie in how units are bought, sold and priced rather than one structure making the underlying Nifty 50 portfolio inherently safer.
Does investing in both a Nifty 50 ETF and a Nifty 50 index fund increase diversification?
Not significantly if both track the same Nifty 50 benchmark. Their portfolios are likely to have substantial overlap, so owning both mainly gives you two different investment structures rather than meaningfully different underlying equity exposure.
Can I make a lumpsum investment in both a Nifty 50 ETF and a Nifty 50 index fund?
Yes. ETF units can be purchased on the exchange at the prevailing market price, while a one-time investment in an index fund is processed at the applicable NAV, subject to the scheme’s minimum investment requirements.
Are all Nifty 50 ETFs equally liquid?
No. ETFs tracking the same index can have different levels of trading activity and different bid-ask spreads. Before placing an ETF order, investors can compare the available market price with the indicative NAV and look at the prices available to buy and sell units. SEBI notes that an ETF’s traded price can differ from its NAV because of market demand and supply.
Can I switch directly from a Nifty 50 index fund to a Nifty 50 ETF?
They are separate investment structures, so moving from an index fund to an ETF is generally not the same as switching between schemes within a mutual fund folio. An investor would typically redeem the index fund units and separately purchase ETF units through the exchange, with the resulting transaction subject to applicable tax and transaction rules.
