Why Calculate Sip When Mutual Fund Returns Diverge?

Generic user silhouette icon Anupama VM - 0 min read

Last Updated: 23rd September 2026 - 03:38 pm

The Nifty 500 stayed below its September 26, 2024 peak for much of the period covered by a recent Business Today report, while several active mutual funds recorded positive returns. The practical answer is not to chase the highest figure in a short table. Before you calculate SIP commitments, use a sip calculator to test affordability, time horizon and different market-linked outcomes. 

The report is useful because it shows how category, asset allocation, portfolio construction and fund-management decisions can produce different results in the same market. It does not establish what any scheme may deliver next. 

What the Nifty 500 comparison reveals about mutual fund returns?

The Business Today report compared returns from September 26, 2024, to September 22, 2026. It covered multi-asset allocation, smallcap, multicap, midcap, large and midcap, value and flexicap categories. The subdued period of Nifty 500 occurred alongside positive returns for several schemes in the study. 

Figures mentioned are based on the cited report and are indicative of the stated period; they may vary with the valuation date, NAV data, plan option, expenses and calculation method. 

Among the three multi-asset allocation funds listed, reported returns ranged from 24.51% to 27.16%. This category can spread exposure across more than one asset class, but diversification may also limit participation when one particular segment rises sharply. Its actual risk depends on the portfolio’s allocation and the instruments held. 

The three smallcap funds listed recorded returns ranging from 19.59% to 25.78%. Smallcap exposure can be more sensitive to economic conditions, liquidity and valuation changes. A positive period therefore does not remove the possibility of substantial interim declines. 

Variation was also visible elsewhere. The three listed multicap funds ranged from 9.58% to 21.32%, midcap funds from 16.75% to 18.93%, and flexicap funds from 7.10% to 9.86%. 

These percentages are historical figures reported for a specific comparison period, not forecasts or comparable outcomes for every fund in a category. 

How to calculate SIP without turning a calculator into a forecast?

Calculating a SIP is primarily a cash-flow and goal-planning exercise. A calculator generally uses the contribution amount, investment duration and an assumed annual rate to illustrate a possible future value. Since mutual-fund returns are market-linked, the assumed rate is only an input and cannot describe the actual path of returns. 

Use a four-part check 

1. Affordability: check whether the contribution can continue alongside essential spending, emergency savings and existing obligations. 

2. Time horizon: relate the investment period to the date when the money may be required. Equity-oriented funds can experience extended periods of weak performance. 

3. Scenario range: test more than one return assumption rather than relying on the most attractive illustration. 

4. Exit conditions: consider what could happen if contributions stop, the goal is delayed or withdrawals are needed during a market decline. 

Any amount or outcome shown by a calculator is illustrative and may vary with contributions, timing, market performance, expenses, taxation and withdrawals. 

A mutual fund calculator can help compare contribution levels and durations, but it cannot assess whether a scheme matches an investor’s objectives, risk tolerance or financial position. A swp calculator may be relevant when planning regular withdrawals, although its output also depends on portfolio returns, withdrawal size, timing, taxes and costs. 

Why a two-year ranking should not decide a fund choice?

A two-year return table can identify useful questions, but it captures only one market phase. Results may reflect interest rates, earnings, valuations, sector exposure, asset allocation, portfolio turnover or the timing of individual holdings. These conditions may not repeat. 

Before comparing funds, examine the investment objective, portfolio concentration, market-cap exposure, riskometer, expense ratio, exit load, plan type and longer-period performance. Review how a mutual fund behaved during both rising and falling markets. Past performance does not indicate future performance. 

Category names also need context. A multi-asset fund may hold equity, debt and other permitted assets, while a smallcap fund generally has greater exposure to smaller companies. A flexicap fund can move across market-cap segments, but its actual allocation may change with the fund manager’s decisions and market conditions. 

Search intent can also be misleading. Someone typing “hdfc amc” is looking for information about a listed company, whereas someone searching for “sbi mutual fund” may be looking for scheme or fund-house information. Neither search substitutes for reviewing a particular mutual fund’s scheme documents, portfolio, costs and risk profile. 

A SIP changes the timing of purchases because each instalment is made at the applicable NAV. This can create different purchase prices across instalments, but it does not remove market risk or ensure a positive result. It also creates an ongoing cash-flow commitment that should be reviewed if income or financial priorities change. 

A practical mutual fund review checklist 

  • Define the goal: distinguish between a long-term objective, a near-term requirement and general investing. 
  • Assess downside capacity: consider how you might respond if the portfolio falls and remains weak for an extended period. 
  • Read the portfolio: look beyond the category label and examine sectors, market-cap segments, asset classes and concentration. 
  • Check costs and conditions: review the expense ratio, exit load, plan option and applicable tax considerations. These can affect the amount received. 
  • Compare consistently: use the same valuation date, plan type, option and return period when comparing schemes. 
  • Review with discipline: assess the fund against its stated objective and your circumstances instead of reacting to every ranking. 

For any mutual fund category, suitability depends on the investor’s objectives, time horizon, financial situation and risk tolerance. A fund that performed positively during the period in the report may still be unsuitable for a goal requiring low volatility or near-term access to money. 

Key takeaways from the Nifty 500 and mutual fund comparison 

  • An index can have a subdued phase while some active funds record positive returns. 
  • Returns can differ materially between schemes in the same category. 
  • A short comparison period does not establish suitability or future performance. 
  • Use a SIP calculation to test contributions and goals, not to select a fund from a headline number. 
  • Portfolio construction, risk, expenses, exit load and taxation require review alongside returns. 

Mutual fund investments are subject to market risks, read scheme documents carefully, including the riskometer, investment objective, expenses, exit-load provisions and other applicable terms. Where a decision concerns a significant financial goal, a suitably qualified professional may help assess the relevant risks and constraints. 

Conclusion: treat performance news as a prompt for analysis 

The gap between Nifty 500 performance and the results reported for several active funds shows why index headlines and scheme-level returns should not be treated as interchangeable. The more useful response is to understand why outcomes differed, test a contribution plan under varied assumptions and assess whether a fund’s structure fits the intended goal. 

Readers can continue by reviewing scheme documents, comparing like-for-like information and using calculators as planning tools rather than performance predictors. 

Frequently Asked Questions

Why did some mutual funds gain while the Nifty 500 was below its earlier peak?  

Can a two-year mutual fund return predict future performance?  

What details are needed to calculate SIP investments? 

Does a SIP remove the risk of mutual fund investing?  

What should I check before comparing mutual funds?  

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