Hong Kong Exchanges and Clearing

Corporate brand

Operator of Hong Kong's securities, derivatives and clearing-market infrastructure, with additional ownership of the London Metal Exchange.

Last updated August 31, 2026

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Overview

Hong Kong Exchanges and Clearing Limited, commonly known as HKEX, is the listed market-infrastructure group that operates Hong Kong's principal securities and derivatives venues and their associated clearing, settlement, depository and market-data businesses. Its core exchange subsidiaries are The Stock Exchange of Hong Kong Limited, usually called the Hong Kong Stock Exchange or SEHK, and Hong Kong Futures Exchange Limited. The group also owns the London Metal Exchange, a major international venue for base-metals trading. HKEX's business is broader than operating an order book. Its Hong Kong clearing businesses include Hong Kong Securities Clearing Company, Hong Kong Futures Exchange Clearing Corporation, SEHK Options Clearing House and OTC Clearing Hong Kong. These entities provide central counterparty clearing, settlement, securities depository, nominee and related post-trade services. HKEX Information Services distributes market data, while the group also supports listing, trading, risk-management and connectivity functions for issuers, investors, brokers, market makers and clearing participants. The modern group emerged from the consolidation of Hong Kong's fragmented exchange structure. Securities trading in Hong Kong developed during the nineteenth century, with a formal stockbrokers' association established in 1891. After several competing exchanges appeared in the late 1960s and early 1970s, regulatory and market pressure led to the creation of the unified Stock Exchange of Hong Kong in 1980 and the start of its computer-assisted trading operation in 1986. Hong Kong Securities Clearing Company was incorporated in 1989 and introduced the Central Clearing and Automated Settlement System in 1992. HKEX was formed in 2000 through the merger of the unified stock exchange, the futures exchange and their clearing operations. The company has positioned Hong Kong as an international gateway between global capital and mainland Chinese issuers and investors. Its listing and trading ecosystem includes ordinary shares, H shares, depositary receipts, debt securities, exchange-traded funds, real-estate investment trusts, unit trusts, structured products, equity derivatives, index futures and options, interest-rate products, fixed-income derivatives, gold futures and over-the-counter clearing services. The Stock Connect arrangements with mainland exchanges have further strengthened the relationship between Hong Kong and China's domestic capital markets. HKEX has repeatedly modernized its trading infrastructure. Its electronic systems evolved from the 1986 computer-assisted platform to the Automatic Order Matching and Execution System, then to AMS/3 in 2000 and the Orion Trading Platform for the securities market in 2018. The group also introduced a closing auction mechanism in stages during 2016 and 2017 and volatility-control mechanisms for securities and derivatives markets. These changes were intended to improve price discovery, orderly trading and resilience during periods of market stress. The government of Hong Kong is the group's largest shareholder and has the right to appoint six of thirteen directors, giving HKEX a distinctive public-policy dimension alongside its commercial status as a listed company. This ownership structure has generated debate about exchange independence, market regulation and the government's dual role as shareholder and policymaker. HKEX has also faced scrutiny over listing policy, governance rules and senior executives' previous employment relationships. Despite these controversies, it remains a central institution in Hong Kong's financial system and an important international exchange operator.

History

Securities trading in Hong Kong can be traced to the nineteenth century. The first formal securities-market organization, the Association of Stockbrokers in Hong Kong, was established in 1891 and was renamed the Hong Kong Stock Exchange in 1914. A second exchange appeared in 1921. The two organizations were later combined after the Second World War to rebuild a unified market. Hong Kong's rapid economic development produced additional exchanges: the Far East Exchange in 1969, the Kam Ngan Stock Exchange in 1971 and the Kowloon Stock Exchange in 1972. Fragmentation, uneven regulation and the need for more efficient supervision encouraged consolidation. The Stock Exchange of Hong Kong Limited was incorporated in 1980, and the four exchanges ended separate operations in March 1986. The unified exchange began computer-assisted trading in April of that year. Post-trade infrastructure developed in parallel. Hong Kong Securities Clearing Company was incorporated in 1989 and created the Central Clearing and Automated Settlement System, which began operating in 1992. CCASS became the central clearing and settlement platform for its participants, helping establish the institutional framework required for a modern securities market. HKEX was created in 2000 through the merger of the Stock Exchange of Hong Kong, Hong Kong Futures Exchange and associated clearing organizations. The group subsequently expanded its product range and technology. The Automatic Order Matching and Execution System was introduced in the 1990s and replaced by AMS/3 in 2000. In 2018, the Orion Trading Platform replaced AMS/3 for the securities market. HKEX also introduced a closing auction session in two stages during 2016 and 2017 and implemented volatility-control mechanisms for securities and derivatives markets. The group increasingly developed its role as a conduit between international capital and mainland China. Its ecosystem includes equity, debt, fund, structured-product, derivatives and commodities markets, as well as clearing and market-data businesses. HKEX's ownership of the London Metal Exchange, completed in 2012, added a globally recognized base-metals venue to the group. The company also pursued a proposed combination with London Stock Exchange Group in 2019, but the transaction was not completed. HKEX's governance has attracted recurring public attention because the Hong Kong Government is its largest shareholder and can appoint a substantial portion of its board. In 2007, the government's purchase of additional shares was criticized as possible interference with exchange independence. Other controversies included the 2002 penny-stock consultation, later reforms to directors' trading blackout periods and reporting about the previous employment activities of former chief executive Charles Li. These episodes illustrate the tension between HKEX's commercial role, its regulatory responsibilities and Hong Kong's broader financial-policy objectives.

2018
Orion Trading Platform introduced
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
The Orion Trading Platform replaced AMS/3 for securities trading, continuing HKEX's modernization of its electronic-market infrastructure.
2012
London Metal Exchange acquisition completed
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
HKEX completed its acquisition of the London Metal Exchange, adding a major international base-metals market to its portfolio.
2000
HKEX formed through exchange consolidation
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
Hong Kong's stock exchange, futures exchange and related clearing operations were combined into the HKEX group.
1992
CCASS begins operation
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
The Central Clearing and Automated Settlement System commenced operation and became a core clearing and settlement platform.
1989
Hong Kong Securities Clearing Company incorporated
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
The clearing company was established to build centralized post-trade infrastructure for Hong Kong securities transactions.
1986
Unified exchange begins electronic trading
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
The four previous exchanges ceased separate operations and the unified exchange commenced computer-assisted trading.
1980
Unified Stock Exchange of Hong Kong incorporated
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
The Stock Exchange of Hong Kong Limited was incorporated as part of a plan to consolidate the territory's competing exchanges.
1921
Second securities exchange incorporated
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
The Hong Kong Stockbrokers' Association was established, creating a second organized exchange in the territory.
1891
First formal stockbrokers' association established
[1]Hong Kong Exchanges and Clearingen.wikipedia.org
The Association of Stockbrokers in Hong Kong was formed, marking an early institutional stage in the development of Hong Kong's securities market.

Products and positioning

International financial-market infrastructure connecting Hong Kong and global investors with mainland Chinese capital markets

Securities exchange · 1986
The Stock Exchange of Hong Kong
HKEX's principal cash-equities venue lists and trades ordinary shares, H shares, depositary receipts, debt securities, exchange-traded funds, real-estate investment trusts, unit trusts and structured products. It is a major venue for companies from Hong Kong, mainland China and other international markets seeking access to Asian and global capital.
Derivatives exchange
Hong Kong Futures Exchange
The futures exchange offers index and stock futures and options together with interest-rate, fixed-income, currency-related and gold products. Its derivatives are used for hedging, portfolio management, market making and directional trading.
Commodities exchange · 1877
London Metal Exchange
The LME is HKEX's international base-metals exchange. It provides futures, options and related contracts used by producers, consumers, merchants, financial institutions and other participants to manage metal-price exposure and discover benchmark prices.
Post-trade infrastructure · 1989
Clearing and settlement services
HKEX operates several clearing houses covering securities, futures, options and over-the-counter derivatives. Services include central counterparty clearing, settlement, securities depository, nominee administration and clearing of interest-rate derivatives and non-deliverable forwards.
Financial information
HKEX market data
Through HKEX Information Services, the group disseminates real-time and historical market information relating to its securities, derivatives and other markets. Data services support professional trading, research, risk management, compliance and financial-media applications.

Controversies

2015
Scrutiny of alleged princeling hiring connections
Reporting about former chief executive Charles Li's earlier JPMorgan China role examined alleged recommendations to hire relatives and associates of Chinese officials and clients. The matter was discussed against the background of U.S. regulatory investigations into JPMorgan's hiring practices.
Source
2002
Penny-stock delisting controversy
HKEX's proposal to consider delisting companies whose shares traded below a specified price for a sustained period caused major losses in affected penny stocks and criticism over the exchange's dual role as commercial operator and market-rule administrator.
Source

2019
Proposed combination with London Stock Exchange GroupM&A
Background
HKEX sought a larger international exchange combination involving complementary securities, derivatives, clearing and market-data businesses.
Action taken
HKEX proposed a cash-and-shares merger with London Stock Exchange Group.
Aftermath
The proposed transaction was not completed.
Indicative transaction value. Approximately GBP 29.6 billion, or about GBP 31.6 billion including debt (2019)
Source
2018
Securities trading platform upgradedGeneration change
Background
The existing AMS/3 platform had become part of an older generation of exchange technology.
Action taken
HKEX replaced AMS/3 with the Orion Trading Platform for the securities market.
Aftermath
The upgrade modernized the electronic trading environment and supported continued development of HKEX's market infrastructure.
Source
2016
Closing auction session introducedOther
Background
HKEX sought to improve closing-price formation and align its trading infrastructure with international market practices.
Action taken
The exchange introduced the first phase of a closing auction session, followed by a second phase in 2017.
Aftermath
Eligible securities gained a structured closing mechanism intended to improve end-of-day price discovery.
Source
2012
Acquisition of the London Metal ExchangeM&A
Background
HKEX sought international diversification and access to a globally important commodities market.
Action taken
HKEX acquired the London Metal Exchange.
Aftermath
The transaction expanded HKEX's business beyond Hong Kong securities and derivatives into international base-metals trading.
Cash offer value. GBP 1.388 billion offer (2012)
Source
2007
Government increases strategic shareholdingStrategy
Background
The Hong Kong Government had a policy interest in the development of the exchange while also holding a public-market portfolio through the Exchange Fund.
Action taken
The government disclosed that it had raised its HKEX stake, making it the largest shareholder.
Aftermath
The purchase triggered criticism about government intervention, exchange independence and the conflict between public policy and shareholder interests.
Source

Recent events

2019
HKEX proposes merger with London Stock Exchange Group[1]Hong Kong Exchanges and Clearingen.wikipedia.org
M&A
HKEX proposed a cash-and-shares combination with London Stock Exchange Group. The proposal did not proceed, amid opposition and strategic concerns surrounding the transaction.
2012
HKEX acquires the London Metal Exchange[1]Hong Kong Exchanges and Clearingen.wikipedia.org
M&A
HKEX announced and completed its acquisition of the London Metal Exchange, expanding the group from a primarily Asian market operator into a major international commodities-exchange owner.
2007
Hong Kong Government increases its HKEX stake[1]Hong Kong Exchanges and Clearingen.wikipedia.org
Other
The Hong Kong Government disclosed that it had raised its holding in HKEX through the Exchange Fund. The purchase prompted criticism concerning market independence and the government's simultaneous roles as shareholder, policymaker and market authority.
2002
Penny-stock delisting proposal triggers market controversy[1]Hong Kong Exchanges and Clearingen.wikipedia.org
Regulation · Other
A consultation proposal concerning companies trading below a specified share-price threshold caused sharp declines in numerous penny stocks and generated criticism about HKEX's conflicts as both market operator and rule-maker.

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