Published Jun 29, 2026 4 Min Read

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Introduction

When comparing SIP vs index funds, it is important to understand that they are not direct alternatives. An SIP is an investment method that allows you to invest a fixed amount regularly, whereas an index fund is a mutual fund scheme that aims to track the performance of a market index.

  • An SIP is an investment mode, not a mutual fund category.
  • An index fund is a passive mutual fund managed by the respective AMC that tracks a benchmark index.
  • You can invest in an index fund through either SIP or lumpsum.
  • On the Bajaj Broking website, investors can choose from 4,000+ mutual fund schemes across equity, debt, hybrid, ELSS and thematic categories.
  • SIP investments start from Rs. 100 per month for eligible schemes.
  • Always review the SEBI-mandated riskometer, which ranges from Low to Very High, before investing.

Start your mutual fund investment journey on the Bajaj Broking website by completing your mandatory KYC, comparing available schemes and investing through SIP or lumpsum.

What is an SIP (Systematic Investment Plan)?

A Systematic Investment Plan (SIP) is an investment method that allows you to invest a fixed amount into a chosen mutual fund scheme at regular intervals, such as monthly or quarterly.

When you invest through an SIP, you receive mutual fund units based on the applicable Net Asset Value (NAV). NAV is the price per unit of a mutual fund scheme and is calculated once every trading day after the market closes.

An SIP is not a separate type of mutual fund. It is simply one of the ways you can invest in mutual fund schemes.

What is an index fund?

An index fund is a passive mutual fund that aims to replicate the performance of a market index, such as the Nifty 50 or Sensex. Instead of selecting stocks actively, the fund invests in securities that form part of the benchmark index.

The fund is managed by the respective Asset Management Company (AMC) and follows the composition of the underlying index as closely as possible. Like all mutual funds, index funds allot units based on the applicable NAV.

SIP vs Index funds: Key differences

Although the terms are often compared, they refer to different aspects of investing.

FeatureSIPIndex Fund
MeaningInvestment methodType of mutual fund
PurposeInvest a fixed amount regularlyTrack the performance of a market index
Investment optionsCan be used with many mutual fund schemesCan be invested through SIP or lumpsum
ManagementNot applicableManaged passively by the respective AMC
Suitable forRegular investingInvestors seeking market-linked returns through passive investing

Understanding this difference helps you choose the right investment approach. In many cases, you do not need to choose between the two because you can invest in an index fund through an SIP.

What are the pros and cons of SIP vs index funds?

Both SIPs and index funds offer different benefits because one is an investment method and the other is a mutual fund category.

OptionProsCons
SIPEncourages disciplined investing, reduces the impact of market volatility through regular investments, and is available from Rs. 100 per month on the Bajaj Broking website.Does not guarantee returns because investments remain market-linked.
Index FundOffers diversified exposure to a market index, generally has lower portfolio turnover, and follows a passive investment strategy.Returns depend on the performance of the underlying index and cannot outperform it before expenses.

Which is better — SIP or index fund?

Choosing between an SIP and an index fund depends on what you are comparing. An SIP is an investment method, while an index fund is a type of mutual fund. In practice, you can combine both by investing in an index fund through an SIP.

If you want to...Suitable choice
Invest regularly every monthSIP
Track the performance of a market indexIndex fund
Build long-term wealth through regular investmentsIndex fund through SIP
Make a one-time investmentIndex fund through lumpsum
Reduce the impact of investing all your money at onceSIP

For many long-term investors, investing in an index fund through an SIP combines the benefits of disciplined investing with diversified market exposure. However, before investing, consider your financial goals, investment horizon and risk appetite. Also review the SEBI-mandated riskometer, which ranges from Low to Very High, as mutual fund returns are market-linked and not guaranteed.

Conclusion

The comparison of SIP vs index funds is often misunderstood because they serve different purposes. An SIP is an investment method that lets you invest a fixed amount regularly, while an index fund is a passive mutual fund that tracks a benchmark index.

If your goal is to invest regularly for the long term, you can invest in an index fund through an SIP. Before making your investment decision, evaluate your financial goals, investment horizon and risk tolerance. On the Bajaj Broking website, you can explore 4,000+ mutual fund schemes across equity, debt, hybrid, ELSS and thematic categories. After completing your mandatory KYC, you can invest through SIP from Rs. 100 per month or choose a lumpsum investment.

Frequently asked questions

Can I invest in index funds through SIP?

Yes. You can invest in most index funds through a Systematic Investment Plan (SIP). An SIP is an investment method that lets you invest a fixed amount at regular intervals into your chosen index fund. On the Bajaj Broking website, SIP investments start from Rs. 100 per month for eligible schemes after completing your mandatory KYC. Your investment is allotted mutual fund units based on the applicable Net Asset Value (NAV).


Which gives better returns: SIP or index fund?

This comparison is not direct because an SIP is an investment method, while an index fund is a type of mutual fund. Returns are generated by the index fund, not by the SIP itself. An SIP simply determines how you invest. Your returns depend on the performance of the underlying index fund and market conditions, and they are market-linked, not guaranteed.


Are index funds risky?

Yes. Index funds carry market risk because they invest in securities that track a market index such as the Nifty 50 or Sensex. The value of your investment can rise or fall depending on market movements. Before investing, always review the SEBI-mandated riskometer, which classifies schemes from Low to Very High risk. The Bajaj Broking website offers 4,000+ mutual fund schemes across different investment categories.


How often should I review my index fund SIP performance?

You should review your index fund SIP periodically to ensure it continues to match your financial goals and investment horizon. Frequent reviews based on short-term market movements are generally unnecessary for long-term investors. You can use the Dashboard, Portfolio, Orders and MF Profile on the Bajaj Broking website to monitor your mutual fund investments.


Are there exit loads on index funds invested via SIP?

Exit loads depend on the individual index fund scheme, not on the SIP. An exit load is a fee charged by the respective Asset Management Company (AMC) if you redeem your units before the specified holding period. The exit load, if applicable, is deducted from the redemption amount according to the scheme's terms. Always check the Scheme Information Document (SID) before investing.


Which is better — index fund SIP or mutual fund SIP — for a 10-year goal?

For a 10-year investment goal, both options can be suitable depending on your financial objectives and risk appetite. An index fund SIP invests regularly in a passive index fund, while a mutual fund SIP may invest in an actively managed or passive mutual fund scheme. Compare the investment objective, risk level shown on the SEBI-mandated riskometer, costs and long-term strategy before making your decision.

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