Most index funds follow the market based on size. A Nifty 50 fund holds the fifty companies. A Nifty 500 fund holds the five hundred largest. The weighting is based on market capitalisation and the funds performance follows the markets.
Low volatility index funds do things differently. They pick stocks based on how much their prices change not how big the companies are. The result is a portfolio that acts differently from the market during corrections.
what low volatility actually means
Volatility is a way to measure how much a stocks price moves over time. A stock that moves between ₹100 and ₹140 in a year is more volatile than one that stays between ₹100 and ₹112.
The low volatility factor uses this measure to create an index. The starting group is usually the Nifty 100 or the Nifty 500. From that group the stocks with the volatility scores from the past year are chosen. The Nifty 100 Low Volatility 30 index picks the 30 stocks from the Nifty 100. The Nifty 500 Volatility 50 index picks the 50 calmest from the Nifty 500.
The weighting is also different. Of just using market cap the index uses a mix of low volatility score and free-float market capitalisation. No single stock can be than 5% or five times its free-float market cap weight.
The index rebalances every six months in June and December. If a stock that was once calm becomes volatile it can be removed. A new calm stock can be added. This keeps the portfolio focused on the volatility goal over time.
what the portfolio looks like
Because the rules focus on stability of size the resulting portfolio leans toward less cyclical sectors.
The Nifty 100 Low Volatility 30 index has 21% in financial services 16% in healthcare and 15% in FMCG as of April 2026. The Nifty 500 Volatility 50 index is even more defensive with healthcare at around 22% consumer discretionary at 18% and financial services at 13%.
Cyclical sectors like metals, capital goods and high-beta financials are mostly left out. The stocks that make the cut are often big established companies with earnings: HDFC Bank, ICICI Bank, Nestle India, Britannia, Asian Paints, Pidilite and Cipla are typical holdings.
This sector balance is why the fund behaves the way it does. The defensive tilt is what gives the protection but it also causes it to do worse during bull markets.
the benefits
Downside protection. The main advantage is how these funds act during market corrections. During the 2008 financial crisis the Nifty 50 fell 56.2% while the Nifty 100 Low Volatility 30 index fell 46.2%. During the 2020 COVID crash the Nifty 50 lost 37.23% in a month compared with a 29.4% drop for the volatility index.
Recently during the March 2026 correction funds tracking the Nifty 100 Low Volatility 30 index fell around 10% compared with the Nifty 50s drop of more than 11%. Over a six-month period ending May 2026 the low volatility funds fell an over 4.5% compared with a more than 7% drop in the Nifty 50.
Lower beta. The Nifty 100 Low Volatility 30 index has a beta of 0.87 against the Nifty 50 over one year and 0.76 since it started. A beta under 1 means the index moves less than the market in both directions.
Cost efficiency. Since these are funds the fees are low. The Kotak Nifty 100 Volatility 30 ETF has a fee of 0.09% and the HDFC Nifty 100 Low Volatility 30 ETF has a fee of 0.30%. For an investor used to paying 1% or more for a fund the cost difference is important over long periods.
the risks
Underperformance during bull markets. This is the trade-off. When markets rise quickly beta and cyclical stocks often lead. By leaving those out the low volatility index falls behind. During bull phases the gap can be big.
The beta of 0.76 since the start works both ways. It means the fund drops less during corrections. It also means it rises less during recoveries.
Market downturns do not always protect volatility stocks. The idea that low volatility automatically means protection is not always right. During some market downturns even low volatility stocks can take hits. The 2008 and 2020 crashes showed drops than the broader market but the drops were still big.
Sector concentration. The defensive tilt also brings concentration risk. The Nifty 100 Low Volatility 30 index has over 50% in services, healthcare and FMCG combined. If one of those sectors faces a downturn due to regulations changing preferences or economic factors the concentrated exposure can hurt more.
Short track record. The category is still new. Most low volatility passive funds in India have than five years of history. The ICICI Pru Nifty 100 Volatility 30 ETF started in July 2017 and the UTI BSE Low Volatility Index Fund started in March 2022. There is not data on how these funds perform across different market cycles.
performance in context
The results have been mixed. The ICICI Pru Nifty 100 Volatility 30 ETF gave 11.64% annualised over three years while the average for index funds was 14.91%. The UTI BSE Low Volatility Index Fund returned 9.64% over three years against an average for the category.
The picture changes depending on the time. In the six months ending May 2026 the low volatility funds did better than the Nifty 50. Over three years they did worse than the broader index fund category. The performance depends on the market environment.
who should invest
Low volatility index funds are not the part of a portfolio. They are a holding.
They suit an investor who:
Does not like market changes and wants a smoother equity experience
Wants to reduce overall volatility in an equity portfolio without moving to debt completely
Has a main holding in a Nifty 50 or Nifty 500 index fund and wants to add a defensive tilt
Is willing to take lower returns during bull markets in exchange for smaller losses during corrections
They do not suit an investor who:
Wants to get the most returns in every market phase
Feels comfortable with volatility and does not need a smoother ride
Wants one fund to be the entire equity allocation
As Kavitha Menon of Probitus Wealth said, low volatility strategies do well when markets are volatile or flat. In strong bull markets they can fall behind. That is why experts suggest using them along with, not of, broader equity exposure.
what retail investors should take from this
A volatility index fund is a different way to own Indian equity. It owns the stocks, not the largest and the portfolio leans toward defensives like healthcare, FMCG and big financials.
The benefit is a ride. The cost is returns during strong rallies. The fund does not remove equity risk. It changes how the risk looks.
For an investor who already has an index fund a low volatility fund can act as a second holding. It is not a replacement for a Nifty 50 or Nifty 500 fund. It is an extra.
The category is still new. The history is short.. The behavior during the 2008 and 2020 crashes matches the design. These funds dropped less. They also recovered differently.
FAQs
1. What is a low volatility index fund?
A fund that follows an index that selects stocks based on how their prices have moved over the past year. The Nifty 100 Low Volatility 30 and Nifty 500 Low Volatility 50 are the benchmarks. It is a strategy based on factors, not market cap.
2. How do low volatility funds act differently from a Nifty 50 fund?
They fall less during corrections. During the 2008 crash the Nifty 50 fell 56.2% while the Nifty 100 Low Volatility 30 index fell 46.2%. During the 2020 crash the Nifty 50 fell 37.23% in a month while the low volatility index fell 29.4%. They also fall behind during rallies because they leave out high-beta and cyclical stocks.
3. What are the risks of volatility index funds?
The main risk is falling behind during bull markets. The defensive tilt that helps during corrections also limits gains during rallies. Other risks include being too focused on sectors like FMCG, healthcare and financials and the short history of the category in India.
4. What are the fees for volatility index funds?
They are funds so the fees are low. The Kotak Nifty 100 Volatility 30 ETF has a fee of 0.09% and the HDFC Nifty 100 Low Volatility 30 ETF has a fee of 0.30%. The UTI BSE Low Volatility Index Fund has a fee of 0.5%.
5. Who should invest in volatility index funds?
An investor who wants an equity experience is not comfortable with sharp swings and already has a main index fund. It works best as a holding not as a replacement, for a Nifty 50 or Nifty 500 fund.
