From 1990 to 20 10, Shanghai Stock Exchange (hereinafter referred to as "SSE") has developed from 8 stocks and 22 bonds into a company with 894 listed companies, 938 stocks, 18 trillion stocks, 199 national bonds and 284 companies.

In order to adapt to the development pattern of Shanghai securities market, the Shanghai index system, with Shanghai Composite Index, Shanghai 50 Index, Shanghai 180 Index, Shanghai 380 Index, Shanghai government bond index, Shanghai Corporate Bond Index and Shanghai Fund Index as its core, scientifically represents the market structure and changing characteristics of Shanghai securities market with rich levels, extensive industries and expanded varieties, which facilitates multi-dimensional analysis by market participants and enhances the popularity of sample enterprises. A large number of industry, theme, style and strategy indexes derived from the Shanghai Stock Exchange index system provide more and more professional trading varieties and investment methods for the market, and improve the liquidity and effectiveness of the market.