Capped Indices

Capped indices limit the maximum weight any one stock can have regardless of its size in the market. Investors do this to promote variety among sectors and stocks, which reduces the danger of investing too much in a few giant companies.  

Market benchmarks are by prudent risk management because they clarify the market’s success. Capped indices may be the most excellent alternative for investors who seek a steady and diverse strategy to invest amid market volatility due to their usage. 

What are capped indices? 

Capped indices are a type of equity index designed to limit the influence of any single stock within the index. Some indices include a cap or maximum proportion to which a single company may contribute. Even if a company is large and has a high market price, it can only have a set index weight, which applies even if the company is highly valued.  

 Capped indexes provide a fair and diversified representation of all companies’ indexes. Capitalised indexes are important in marketplaces with diverse enterprises, which reduces the danger of overconcentration in a few vast companies, creating a healthy and varied financial environment.  

Understanding capped Indices 

Capped indices operate by imposing a limit on the maximum weight any single stock can hold within the index. If the cap is 10%, no stock can make up more than 10% of the index value, regardless of its stock market valuation, because the limit is the maximum. This strategy will not affect the score for even the most influential companies.  

This cap’s primary aim is to diversify the index and minimise the influence of the largest companies to offer a more accurate representation of all index stocks, which reduces the hazards of focusing too much on a few vast companies.  

Some indices restrict the weight of the most prominent companies to disperse influence more fairly across all the group’s members, and this new investment choice is safer. A more realistic market picture may help investors reduce risk and receive more predictable outcomes.   

Benefits of capped indices 

  • Enhanced diversification 

Capped indices disperse money among more stock investments, increasing diversity. Investors ensured that this strategy would prevent one company from dominating the score. Thus, the financial plan is fairer, with advantages and losses shared among numerous sectors and industries. 

  • Reduced risk 

Limiting the weight of each company in capped indices reduces the danger of significant price movements in one company. A risk management strategy stabilises index performance because one colossal company has less influence when its prices vary too much; capped indexes are less affected due to the index’s stock count.  

  • More accurate market representation 

Capped indices offer a more accurate reflection of the market because they don’t allow any stock to dominate, give a better view of the market, and don’t favour any stock. The indices accurately reflect stock market trends, and investors can better grasp market conditions and behaviours, which helps them compare their investments to the market more accurately. 

  • Improved stability 

Lowering the weight of larger companies makes the index more stable. By eliminating the risk that any company will have too much impact, the index is less likely to be influenced by large stock price swings. Smaller companies may offset volatility and maintain a steady performance due to their significant impact. It provides long-term investors who prefer consistent growth over dramatic value movements an advantage over other investors.  

Types of capped indices 

  • Fixed cap indices 

Some indices are known as fixed cap indices because their percentage cap doesn’t fluctuate. If the limit is 5%, the stock can only make 5% of the index value if it approaches the limit. The weight of each stock is continually restricted in this index, keeping any company’s impact under control. Fixed cap value indices may suit investors who wish to know what will happen with their money.  

  • Dynamic cap indices 

Dynamic cap indices modify their caps depending on specific circumstances like market conditions and stock performance. While maintaining risk, dynamic cap indices may be adjusted to market situations due to their flexibility. These tactics operate well in stable and unstable markets, making them a good choice for investors. 

  • Sector capped indices 

Sector-capped indices limit the weight of entire sectors within the index, ensuring that no company controls most of the indices’ value. These policies foster diversity across various companies, prevent overcrowding by limiting specific sectors, and work effectively for marketplaces with smaller, less significant locations.  

  • Composite capped indices 

The combination of multiple indices results in the same capping restrictions as a composite capped index, which balances risk across more market scenarios. These indexes prevent one sector from dominating by combining market sectors, geographical locations, or asset classes and setting limits on the final index.  

Examples of capped indices 

An example of a capped index is the S&P 500 Equal Weight Index, which contrasts the traditional market-cap-weighted S&P 500.  In the S&P 500, market values determine stock weights and the Equal Weight Index keeps each company’s weight equal.  

However, the S&P 500 weights its members by market capitalisation, so larger companies have more impact. Suppose the S&P 500 Equal Weight Index has 500 stocks and a market value of US$ 10 trillion.  

If this happens, each stock may be worth 0.2% of the index’s value (100% divided by 500). This means that regardless of a company’s size, its impact on the index’s performance is limited to this percentage. 

Frequently Asked Questions

Capped indexes are crucial for portfolio diversification and risk management, as these regulations limit the actions of significant companies to offer a full stock representation. This approach gives investors a more dependable investment alternative. Investors may reduce market volatility, and capital should be distributed among several sectors and companies to increase variety.  

Capped indices require a defined cap figure, such as 5% or 10%, which may be determined if a single stock in the index is assigned more weight at this cap level. However, this rating is altered to prevent companies from exceeding the limit, and the equities market value determines their initial weight. Capped indices offer investors a clear and organised manner in which to spend their money and ensure fairness and acceptable representation

Capped indices prevent a few large companies from dominating an index, and these averages promote variety between companies and sectors by restricting stock prices. Bad performance has less impact on the index since so many companies exist because variation lowers risk. In marketplaces where company sizes vary greatly, capped indices ensure that smaller enterprises contribute to the index’s performance.  

The key difference between capped indices and traditional market-cap weighted indices lies in how they assign weights to constituent stocks. Traditional market-cap weighted indices weigh companies based on their market value, which implies that larger companies have a more significant impact on the index’s performance. Capped indices restrict stock weight, which prevents any one company or sector from dominating. Due to restricted company weights, these capping weights present a more accurate market picture than those distorted by the largest companies.  

 

Rebalancing capped indices ensures that stock weights comply with regulatory constraints, and regular portfolio rebalancing ensures that stock weights match market value changes. With restricted indices, no stock may exceed its limit, which will maintain the index’s risk management and diversification strategy. This stringent procedure ensures that the index prevents any stock from unfairly affecting its performance.  

    Read the Latest Market Journal

    Recognising Biases in Investing and Tips to Avoid Them

    Published on Sep 4, 2025 33 

    Common biases like overconfidence, herd mentality, and loss aversion influence both risk assessment and decision-making....

    What is Money Dysmorphia and How to Overcome it?

    Published on Sep 4, 2025 14 

    Money dysmorphia happens when the way you feel about your finances doesn’t match the reality...

    The Employer’s Guide to Domestic Helper Insurance

    Published on Sep 2, 2025 63 

    Domestic Helper insurance may appear to be just another compliance task for employers in Singapore,...

    One Stock, Many Prices: Understanding US Markets

    Published on Aug 26, 2025 259 

    Why Isn’t My Order Filled at the Price I See? Have you ever set a...

    Why Every Investor Should Understand Put Selling

    Published on Aug 26, 2025 107 

    Introduction Options trading can seem complicated at first, but it offers investors flexible strategies to...

    Mastering Stop-Loss Placement: A Guide to Profitability in Forex Trading

    Published on Aug 19, 2025 127 

    Effective stop-loss placement is a cornerstone of prudent risk management in forex trading. It’s not...

    Boosting ETF Portfolio Efficiency: Reducing Tax Leakage Through Smarter ETF Selection

    Published on Aug 15, 2025 160 

    Introduction: Why Tax Efficiency Matters in Global ETF Investing Diversification is the foundation of a...

    How to Build a Diversified Global ETF Portfolio

    Published on Aug 15, 2025 106 

    Introduction: Why Diversification Is Essential in 2025 In our June edition article (https://www.poems.com.sg/market-journal/the-complete-etf-playbook-for-singapore-investors-from-beginner-to-advanced-strategies/), we introduced...

    Contact us to Open an Account

    Need Assistance? Share your Details and we’ll get back to you

    IMPORTANT INFORMATION

    This material is provided by Phillip Capital Management (S) Ltd (“PCM”) for general information only and does not constitute a recommendation, an offer to sell, or a solicitation of any offer to invest in any of the exchange-traded fund (“ETF”) or the unit trust (“Products”) mentioned herein. It does not have any regard to your specific investment objectives, financial situation and any of your particular needs. You should read the Prospectus and the accompanying Product Highlights Sheet (“PHS”) for key features, key risks and other important information of the Products and obtain advice from a financial adviser (“FA“) pursuant to a separate engagement before making a commitment to invest in the Products. In the event that you choose not to obtain advice from a FA, you should assess whether the Products are suitable for you before proceeding to invest. A copy of the Prospectus and PHS are available from PCM, any of its Participating Dealers (“PDs“) for the ETF, or any of its authorised distributors for the unit trust managed by PCM.  

    An ETF is not like a typical unit trust as the units of the ETF (the “Units“) are to be listed and traded like any share on the Singapore Exchange Securities Trading Limited (“SGX-ST”). Listing on the SGX-ST does not guarantee a liquid market for the Units which may be traded at prices above or below its NAV or may be suspended or delisted. Investors may buy or sell the Units on SGX-ST when it is listed. Investors cannot create or redeem Units directly with PCM and have no rights to request PCM to redeem or purchase their Units. Creation and redemption of Units are through PDs if investors are clients of the PDs, who have no obligation to agree to create or redeem Units on behalf of any investor and may impose terms and conditions in connection with such creation or redemption orders. Please refer to the Prospectus of the ETF for more details.  

    Investments are subject to investment risks including the possible loss of the principal amount invested. The purchase of a unit in a fund is not the same as placing your money on deposit with a bank or deposit-taking company. There is no guarantee as to the amount of capital invested or return received. The value of the units and the income accruing to the units may fall or rise. Past performance is not necessarily indicative of the future or likely performance of the Products. There can be no assurance that investment objectives will be achieved.  

    Where applicable, fund(s) may invest in financial derivatives and/or participate in securities lending and repurchase transactions for the purpose of hedging and/or efficient portfolio management, subject to the relevant regulatory requirements. PCM reserves the discretion to determine if currency exposure should be hedged actively, passively or not at all, in the best interest of the Products.  

    The regular dividend distributions, out of either income and/or capital, are not guaranteed and subject to PCM’s discretion. Past payout yields and payments do not represent future payout yields and payments. Such dividend distributions will reduce the available capital for reinvestment and may result in an immediate decrease in the net asset value (“NAV”) of the Products. Please refer to <www.phillipfunds.com> for more information in relation to the dividend distributions.  

    The information provided herein may be obtained or compiled from public and/or third party sources that PCM has no reason to believe are unreliable. Any opinion or view herein is an expression of belief of the individual author or the indicated source (as applicable) only. PCM makes no representation or warranty that such information is accurate, complete, verified or should be relied upon as such. The information does not constitute, and should not be used as a substitute for tax, legal or investment advice.  

    The information herein are not for any person in any jurisdiction or country where such distribution or availability for use would contravene any applicable law or regulation or would subject PCM to any registration or licensing requirement in such jurisdiction or country. The Products is not offered to U.S. Persons. PhillipCapital Group of Companies, including PCM, their affiliates and/or their officers, directors and/or employees may own or have positions in the Products. Any member of the PhillipCapital Group of Companies may have acted upon or used the information, analyses and opinions herein before they have been published. 

    This advertisement has not been reviewed by the Monetary Authority of Singapore.  

     

    Phillip Capital Management (S) Ltd (Co. Reg. No. 199905233W)  
    250 North Bridge Road #06-00, Raffles City Tower ,Singapore 179101 
    Tel: (65) 6230 8133 Fax: (65) 65383066 www.phillipfunds.com