Hong Kong Exchanges and Clearing Limited , also 香港交易所 or 港交所; abbreviated as HKEx; ) is the holding company

Holding company

A holding company is a company or firm that owns other companies' outstanding stock. It usually refers to a company which does not produce goods or services itself; rather, its purpose is to own shares of other companies. Holding companies allow the reduction of risk for the owners and can allow...

 for The Stock Exchange of Hong Kong Limited (SEHK), Hong Kong Futures Exchange

Hong Kong Futures Exchange

Hong Kong Futures Exchange was a futures exchange in Hong Kong. Established in 1976, it offered a variety of options and futures contracts, linked to stock market indices, stocks, short term interest rates, and foreign exchange.-History:...

 Limited (HKFE) and Hong Kong Securities Clearing Company Limited. With a total market capitalisation of over US$2.124 trillion as of 12 July 2007, the HKEx ranked fifth in the world at the time by market capitalisation of listed companies (see List of stock exchanges for complete rankings).