The Hang Seng Index often appears in the news before Indian markets open. Its movement may reflect developments in China, changing interest-rate expectations, company results or a broader shift in sentiment across Asia.
The HSI tracks major companies listed in Hong Kong, including several well-known businesses with close links to mainland China. This makes it a Hong Kong market benchmark with wider regional relevance.
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Understanding what the Hang Seng Index is can make Asian market news easier to follow. It also gives Indian investors a useful reference point when comparing domestic and international indices. Since its companies and weights change over time, knowing how the index works can add valuable context to each market headline.
Key Takeaways
- The Hang Seng Index, or HSI, is the most widely quoted benchmark for the Hong Kong equity market.
- It uses free-float-adjusted market capitalisation, giving larger companies with more publicly tradable shares a greater influence.
- As of August 26, 2026, the HSI had 93 constituents, with two additions scheduled to take the number to 95 from September 7, 2026.
- The index includes Hong Kong businesses as well as several mainland China-linked companies listed in Hong Kong.
- Indian investors can use the HSI to understand Asian market sentiment and compare overseas equity exposure with familiar Indian benchmarks.
What is the Hang Seng Index?
The Hang Seng Index, commonly known as the HSI, measures the performance of major companies listed on the Main Board of the Hong Kong Stock Exchange. It is the most widely quoted indicator of Hong Kong’s equity market.
The index was publicly launched on November 24, 1969. It uses July 31, 1964 as its base date, with a starting value of 100 points. The HSI is compiled and maintained by Hang Seng Indexes Company Limited, a wholly owned subsidiary of Hang Seng Bank.
The HSI belongs to Hong Kong, a Special Administrative Region of China. However, it is not limited to businesses operating mainly within Hong Kong. Several constituents earn a large part of their revenue in mainland China or represent major Chinese industries.
Source: Hang Seng Index and sub-indexes, Hang Seng Indexes Company Limited.
How is the Hang Seng Index calculated?
The HSI is a free-float-adjusted market-capitalisation-weighted index. The calculation can be understood through three main elements:
- Market capitalisation: A company’s share price is considered along with the relevant number of issued shares.
- Free float: The calculation considers shares that are readily available for public trading. Certain strategic or controlling holdings are excluded.
- Weighting cap: An 8% cap is applied during index rebalancing to limit the influence of a single constituent. Its weight can later move above or below this level as share prices change.
A larger company with more publicly tradable shares will generally have a greater influence on the HSI. This means that a sizeable movement in a heavily weighted company may affect the index more than the same percentage movement in a smaller constituent.
The index is reviewed quarterly. Companies may enter or leave the HSI, while free-float factors and constituent weights may also be adjusted.
Source: Hang Seng Index factsheet, July 2026.
Price index and total return index
The HSI value commonly reported in market news is the price index. It captures changes in constituent share prices but does not assume that cash dividends are reinvested.
Hang Seng Indexes Company also calculates total return versions that account for both price movements and dividend payments. This distinction matters when comparing the index with a fund or ETF whose reported performance includes reinvested distributions.
Source: Hang Seng Total Return Index Series.
How many companies are in the Hang Seng Index?
The number of companies in the Hang Seng Index is not permanently fixed. As of August 26, 2026, the HSI had 93 constituent securities, while the addition of Hua Hong Semiconductor and Weichai Power from September 7, 2026, with no removals, is scheduled to increase the total to 95.
Top 10 constituents of the Hang Seng Index
The following were the ten largest companies in the Hang Seng Index by weight as of July 31, 2026:
| Rank | Constituent | Industry | Index weight |
| 1 | HSBC Holdings | Financials | 9.20% |
| 2 | Tencent Holdings | Information technology | 7.94% |
| 3 | Alibaba Group | Consumer discretionary | 7.20% |
| 4 | China Construction Bank | Financials | 5.23% |
| 5 | AIA Group | Financials | 4.92% |
| 6 | Industrial and Commercial Bank of China | Financials | 3.66% |
| 7 | Xiaomi | Information technology | 3.09% |
| 8 | China Mobile | Telecommunications | 3.08% |
| 9 | Meituan | Consumer discretionary | 3.04% |
| 10 | Hong Kong Exchanges and Clearing | Financials | 2.91% |
Together, these ten constituents accounted for 50.27% of the index. Their price movements can therefore have a noticeable influence on HSI performance. Constituent weights are as of July 31, 2026 and may change with share-price movements, corporate actions and index reviews.
Sources: Hang Seng Index factsheet, July 2026 and Hang Seng Indexes Company media room.
Sectors represented in the Hang Seng Index
The Hang Seng Index sector allocation shows which parts of the Hong Kong-listed market have the greatest influence on its movements:
| Sector | Allocation |
| Financials | 34.03% |
| Consumer discretionary | 20.94% |
| Information technology | 16.57% |
| Healthcare | 5.17% |
| Energy | 4.78% |
| Properties and construction | 4.07% |
| Telecommunications | 3.80% |
| Industrials | 2.53% |
| Utilities | 2.52% |
| Materials | 2.13% |
| Consumer staples | 1.86% |
| Conglomerates | 1.60% |
| Total | 100.00% |
Financials were the largest sector, accounting for just over one-third of the index. Consumer discretionary and information technology followed with allocations of 20.94% and 16.57%, respectively. Together, these three sectors made up 71.54% of the HSI.
Hang Seng Indexes Company also groups constituents into four traditional sub-indexes: Finance, Utilities, Properties, and Commerce and Industry. These are broader than the detailed industry classifications shown above. Commerce and Industry, for example, brings together consumer businesses, technology, energy, healthcare and telecommunications.
Sector allocations are as of June 30, 2026 and may change with share-price movements, corporate actions and index reviews.
Please note that the reference to any industry/sector/stock is provided for illustrative purposes only. This should not be construed as a research report or a recommendation to buy or sell any security or sector.
Sources: Hang Seng Indexes Company insights and reports and Hang Seng Index and sub-indexes
Features of the Hang Seng Index
The main features of the Hang Seng Index explain how it selects, weights and tracks major companies listed in Hong Kong:
It represents major Hong Kong-listed companies
The HSI is designed to reflect the performance of prominent and actively traded securities listed in Hong Kong. Company size, trading activity and market representation are considered under its methodology.
It considers publicly tradable shares
The free-float adjustment focuses on the portion of a company’s shares available for public trading. This prevents locked-in or strategic holdings from carrying the same weight as shares that other market participants can trade.
It is reviewed regularly
Quarterly reviews help the index reflect new listings and changes in the Hong Kong market. The company list and industry balance can therefore change.
It covers several industries
The HSI includes banks, insurers, property companies, technology businesses, consumer brands, telecommunications providers and companies from several other industries.
It moves during Hong Kong trading hours
The index changes as its constituent securities trade on HKEX. According to the official factsheet, HSI values are disseminated every two seconds during the relevant calculation period.
Hang Seng Index vs Hang Seng TECH Index and HSCEI
The Hang Seng family contains several indices. Three commonly mentioned names serve different purposes:
| Index | What it represents | Main distinction |
| Hang Seng Index | Major companies listed in Hong Kong | A broad benchmark for the Hong Kong equity market |
| Hang Seng TECH Index | Major Hong Kong-listed companies connected to selected technology themes | Has a stronger technology focus |
| Hang Seng China Enterprises Index | Major mainland China companies listed in Hong Kong | Focuses on mainland China enterprises in the Hong Kong market |
A company may appear in more than one index if it meets the relevant rules. Their performance can still differ because each index has its own constituent list and company weights.
A movement affecting internet platforms or semiconductor businesses may be more visible in the Hang Seng TECH Index. Developments involving banks or insurers may have a larger influence on the broader HSI or HSCEI, depending on their current weights.
Source: Hang Seng family of indexes.
What movements in the Hang Seng Index can tell investors
If the HSI rises, the combined weighted value of its constituents has increased. If it falls, their combined weighted value has declined. This does not mean that every company moved in the same direction.
Investors commonly watch the index for clues about:
- Sentiment towards Hong Kong-listed shares.
- Expectations for mainland China’s economy.
- The performance of large banks, insurers, technology companies and consumer businesses.
- Interest in Asian and emerging-market equities.
- Market reactions to company results and policy announcements.
The index is a useful market signal, but it is not a complete scorecard for the Hong Kong or Chinese economy. Smaller listed companies, private businesses and industries with limited HSI representation may be moving differently.
Historical performance of the Hang Seng Index
The historical performance of the Hang Seng Index includes periods of rapid growth, market declines and recovery. Its milestones and latest rolling returns provide a useful view of that journey.
Major milestones and market cycles
The Hang Seng Index history reflects major market milestones as well as periods shaped by regional and global events:
| Year or period | HSI milestone or movement | Market context |
| 1964 | Base value set at 100 | The index was backdated to July 31, 1964 |
| 1969 | Publicly launched on November 24 | The HSI became a benchmark for the Hong Kong equity market |
| 1987 | Calendar-year return of -10.34% | Global stock markets experienced the Black Monday crash |
| 1993 | First close above 10,000 points; calendar-year return of 115.67% | The HSI closed at 11,888.39 at year-end |
| 1997 | Calendar-year return of -20.29% | The Asian financial crisis affected markets across the region |
| 2000 to 2002 | Annual returns of -11.00%, -24.50% and -18.21% | The index declined for three consecutive calendar years during the global technology downturn |
| 2003 | Calendar-year return of 34.92% | The market recovered during a year also marked by the SARS outbreak |
| 2006 | First close above 20,000 points | The HSI closed at 20,001.91 on December 28 |
| 2007 | First close above 30,000 points; calendar-year return of 39.31% | The HSI closed at 30,405.22 on October 26 |
| 2008 | Calendar-year return of -48.27% | The global financial crisis led to one of the index’s steepest annual declines |
| 2009 | Calendar-year return of 52.02% | The index recovered sharply after the 2008 decline |
| 2018 | Record close of 33,154.12 on January 26 | This remains the HSI’s highest closing level |
| 2021 to 2023 | Annual returns of -14.08%, -15.46% and -13.82% | The index recorded three consecutive negative calendar years |
| 2024 | Calendar-year return of 17.67% | The HSI returned to a positive calendar-year performance |
| 2025 | Calendar-year return of 27.77% | The HSI recorded its strongest calendar year since 2017 |
Latest rolling performance
The latest Hang Seng Index performance shows how price movements and reinvested dividends influenced returns across different periods:
| Period | HSI price return | HSI total return |
| 1 month | 13.13% | 13.46% |
| 3 months | 0.42% | 2.01% |
| 6 months | -5.49% | -3.64% |
| 1 year | 4.49% | 7.73% |
| 3 years, annualised | 8.83% | 12.96% |
| 5 years, annualised | -0.06% | 3.59% |
| Year to date | 0.99% | 2.99% |
As of July 31, 2026, the HSI stood at 25,884.43. Its five-year annualised price return was -0.06%, while the HSI Total Return Index delivered 3.59% after accounting for dividends.
Rolling performance data is as of July 31, 2026. Three- and five-year returns are annualised. Calendar-year figures refer to the HSI price index and do not include reinvested dividends.
Past performance may or may not be sustained in future.
Sources: Hang Seng Index factsheet, July 2026, Hang Seng Index history and milestones and HKEX monthly market highlights.
What affects the Hang Seng Index?
Several economic, company-specific and global factors can influence Hang Seng Index performance, often at the same time:
Mainland China’s economy
Many HSI constituents conduct a large part of their business in mainland China. Consumer spending, industrial activity, property demand, lending conditions and economic growth can therefore influence their earnings.
Company results
Large companies have a greater influence on a market-cap-weighted index. A notable result from a major bank, insurer or internet company may affect the HSI more than a similar movement in a smaller constituent.
Interest rates
The Hong Kong dollar operates under a linked exchange-rate system with the US dollar. Hong Kong’s interest-rate environment is therefore influenced by US monetary policy as well as local liquidity conditions.
Changes in borrowing costs can affect banks, property companies, consumers and the valuations placed on future company earnings.
Mainland investment through Stock Connect
Southbound Stock Connect allows eligible mainland investors to buy selected securities listed in Hong Kong. Changes in these investment flows can influence trading activity and sentiment.
Global trade and international developments
Several HSI companies operate across countries. Changes in trade conditions, tariffs or international relations may affect their costs, sales or market valuations.
Sector and company weights
The HSI covers several industries, but they do not have equal influence. A few large companies or heavily weighted sectors can shape the index’s direction on a given day.
Sources: Hong Kong Monetary Authority, Linked Exchange Rate System and HKEX Stock Connect.
Why the Hang Seng Index matters to Indian investors
An Indian investor does not need to invest in the HSI for the index to be useful. It can provide context for market developments taking place before Indian trading begins.
It offers an early view of Asian market sentiment
Hong Kong’s regular market session begins before the Indian market opens. The HSI can indicate how investors are responding to developments in Asia, although Indian indices may move differently.
It represents businesses not found in Indian indices
The HSI includes Chinese internet platforms, banks, insurers, telecommunications providers and consumer businesses. Studying its composition can show how an overseas index differs from the Nifty 50 and other domestic benchmarks.
It provides context for international funds
An international fund may refer to Hong Kong, China or Asia in its name while tracking a benchmark that differs from the HSI. Understanding the index makes it easier to see what exposure a product actually provides.
It highlights the role of currency
The HSI is reported in index points, while its constituent securities primarily trade in Hong Kong dollars. The rupee return from an HSI-linked product may also be affected by exchange-rate movements and the currency in which the product is priced.
Hang Seng Index trading hours in India
The Hang Seng Index trading hours in India fall largely before and during the opening hours of the Indian equity market:
| HKEX session | Hong Kong time | Indian Standard Time |
| Pre-opening session | 9:00 a.m. to 9:30 a.m. | 5:30 a.m. to 6:00 a.m. |
| Morning continuous trading session | 9:30 a.m. to noon | 6:00 a.m. to 8:30 a.m. |
| Afternoon continuous trading session | 1:00 p.m. to 4:00 p.m. | 9:30 a.m. to 12:30 p.m. |
| Closing-auction session | 4:00 p.m. to a random close between 4:08 p.m. and 4:10 p.m. | 12:30 p.m. to a random close between 12:38 p.m. and 12:40 p.m. |
Trading normally takes place from Monday to Friday, excluding Hong Kong public holidays. The morning session finishes before Indian equities begin regular trading, while the afternoon session starts at the same time as the Indian market.
These timings refer to the Hong Kong securities market. An overseas ETF, derivative or trading platform linked to the HSI may follow different dealing hours.
Source: HKEX securities market trading hours.
How Indian investors can access Hang Seng-linked investments
An index is a calculated market measure, so it cannot be purchased directly. Exposure requires a financial product linked to the index. Depending on availability and applicable regulations, an Indian investor may come across:
- An overseas ETF designed to track the HSI.
- An Indian mutual fund or fund of funds investing in an overseas HSI-linked product.
- An international investment platform providing access to eligible overseas-listed ETFs.
- Futures or options linked to the HSI.
A product tracking the Hang Seng TECH Index or a broader China index should not be treated as an HSI fund. Checking the product name, underlying benchmark and scheme documents helps clarify the exposure.
Resident individuals using an overseas investment route must follow the Reserve Bank of India’s Liberalised Remittance Scheme and other prevailing rules. The LRS framework permits resident individuals to remit up to USD 250,000 in a financial year for permitted current and capital account transactions, subject to applicable conditions.
Futures and options use contracts, expiry dates and, in many cases, leverage. Their structure is different from a conventional index fund or ETF and requires a clear understanding of how the product works.
Source: RBI guidance on the Liberalised Remittance Scheme and Hang Seng Index-linked products.
What Bajaj AMC offers Indian investors
Understanding an overseas benchmark can make domestic index investing easier to place in context. Indian investors can compare the HSI with familiar benchmarks and see how indices differ in their companies, sectors and economic drivers.
Bajaj AMC offers index-based options linked to Indian benchmarks:
- Bajaj Finserv Nifty 50 Index Fund: Designed to follow the Nifty 50, subject to tracking error, and provide exposure to 50 large and liquid Indian companies.
- Bajaj Finserv Nifty Next 50 Index Fund: Designed to follow the Nifty Next 50, subject to tracking error, and provide exposure to companies immediately after the Nifty 50 within the eligible large cap universe.
- Bajaj Finserv Nifty 50 ETF: An exchange-traded route to the Nifty 50, subject to tracking error.
- Bajaj Finserv Nifty Bank ETF: An exchange-traded fund designed to follow the Nifty Bank Index, subject to tracking error.
These schemes follow their respective Indian benchmarks rather than the Hang Seng Index. They can give Indian investors a familiar starting point for understanding index selection, constituent weights and tracking difference.
Bajaj AMC also offers actively managed equity, hybrid and debt schemes. Investors can select a route based on their financial goals, investment horizon and risk appetite.
Before investing, investors can review the scheme’s objective, benchmark, Riskometer, portfolio, total expense ratio and official scheme documents on the Bajaj AMC website.
Source: Bajaj AMC mutual fund scheme catalogue.
What to consider before investing
Before investing in a Hang Seng Index-linked product, consider how the exposure fits your portfolio and what may influence your actual returns:
Start with the purpose of the allocation
An investor may be looking for geographical diversification, access to different businesses or reduced dependence on one domestic market. Defining that purpose makes it easier to assess whether the product fits.
Check the actual benchmark
A product associated with Hong Kong, China or Asia may not track the HSI. It could follow the Hang Seng TECH Index, the Hang Seng China Enterprises Index or another regional benchmark.
Understand the product structure
Check whether the product is an index fund, ETF, fund of funds or derivative. Costs, liquidity, account requirements and tracking difference can vary across these structures.
Account for currency movements
The underlying index and an Indian investor’s rupee return may not move by the same percentage. Currency movements, product expenses and tracking difference can alter the final result.
Look at the complete portfolio
International exposure should be considered alongside existing domestic and overseas holdings. This can show whether the portfolio already has exposure to similar regions, companies or industries.
Match the investment horizon
Equity indices can experience periods of gains, declines or limited movement. The selected allocation should fit the investor’s goal, time horizon and comfort with market fluctuations.
Conclusion
The Hang Seng Index meaning becomes easier to understand when it is viewed as a changing collection of major Hong Kong-listed companies rather than just a number in the market news.
The index includes businesses from several industries, including many companies closely connected to mainland China. This makes it useful for following Hong Kong’s equity market and understanding wider developments across Asia.
For Indian investors, the HSI can serve as a helpful comparison point for domestic benchmarks such as the Nifty 50. Before selecting an index-linked product, check which benchmark it follows, what it holds and how it fits into the wider portfolio.
FAQs
What is the difference between the Hang Seng Index and the Hong Kong Stock Exchange?
The Hong Kong Stock Exchange is the marketplace where securities are listed and traded. The Hang Seng Index is a benchmark that measures the weighted performance of selected major companies listed on that exchange.
Is the Hang Seng Index the same as the Chinese stock market?
No. The Hang Seng Index tracks major companies listed in Hong Kong, including several mainland China-linked businesses. It does not represent every company listed on the Shanghai, Shenzhen or Beijing stock exchanges.
What does one point in the Hang Seng Index represent?
An HSI point is a unit used to express the calculated value of the index. It does not represent a fixed amount in Hong Kong dollars, Indian rupees or the price of one share.
What is the ticker symbol for the Hang Seng Index?
The ticker symbol commonly used for the Hang Seng Index is HSI. Bloomberg uses HSI, while other data platforms may display the symbol with a provider-specific prefix or suffix.
What happens when a company is added to or removed from the Hang Seng Index?
Funds and ETFs tracking the HSI generally adjust their portfolios to reflect the revised constituent list. The change takes effect on the date announced by Hang Seng Indexes Company.
How often is the Hang Seng Index reviewed?
The Hang Seng Index is reviewed quarterly. These reviews may result in changes to its constituents, free-float factors and company weights.
