Track 300 constituent stocks in Shanghai and Shenzhen; The Shanghai and Shenzhen 300 Index is a "barometer" reflecting the overall trend of the Shanghai and Shenzhen markets. The index sample is selected from Shanghai and Shenzhen stock markets, covering most of the circulating market value. Component stocks are mainstream investment stocks with good market representation, high liquidity and active market transactions, which can reflect the income of mainstream investment in the market.

Similarly, there are 180 index, 50 index and 100 index.

There will be different index funds to track.