Although the trade of securities began in the middle of the 19th c., Hong Kong Stock Exchange was established at the end of the century. In 2000, the Stock Exchange of Hong Kong Limited, Hong Kong Futures Exchange Limited together with Hong Kong Securities Clearing Company Limited merged under a single exchange HKEx. HKEx listed its shares on the stock exchange in June 2000.
The trading system of the Exchange is an order-driven system. HKEx securities market operates on two trading platforms - the Main Board and the Growth Enterprise Market (GEM). Each trading platform has a different set of requirements. The Main Board is the market for capital growth by established companies that meet profit requirements. Meanwhile, the Growth Enterprise Market provides a fund raising venue for 'high growth, high risk' companies. It promotes the development of technology industries and venture capital investments.
The HKSE has the leading index the Hang Seng for shares traded on the Hong Kong Stock Exchange that was introduced in 1969. The Hang Seng index consisting of the 33 largest companies traded on the exchange represent around 70% of the value of all stocks traded on the HKSE.
Naked options trading is very risky - many people lose money trading them. It is recommended contacting your broker or investment professional to find out about trading risk and margin requirements before getting involved into trading uncovered options.