The CSI 500 Index and the CSI 1000 Index are both indexes developed by CSI Index Co., Ltd. The main difference between the two lies in the different constituent stocks: the constituent stocks of the CSI 1000 Index are in addition to the sample stocks of the CSI 800 Index.

It consists of 1,000 stocks with small scale and good liquidity, which complements the CSI 300 and CSI 500 indexes and can better comprehensively reflect the overall status of small-capitalization companies in the Shanghai and Shenzhen securities markets.

The selection of constituent stocks of CSI 500 is to select the 500 stocks with the highest total market capitalization after excluding the constituent stocks of the CSI 300 Index in A-shares, which can reflect the stock price performance of some small and medium-sized companies.

Since the underlying stocks are different, the increases between the two are also different, but they mainly reflect the trends of small and mid-cap stocks. If you buy a small- and mid-cap index fund, these two index funds are good choices.

But if you want to buy funds for large-cap stocks, you can buy SSE 50 funds and CSI 300 index funds.

The index name is CSI 500 Index, also known as CSI Smallcap 500 index, referred to as CSI 500. The Shanghai market code is 000905 and the Shenzhen market code is 399905.

The base point of CSI 500, CSI 700 and CSI 800 is December 31, 2004, and the base point is 1,000.