CSI Midstream is an index compilation rule formulated by China Securities Regulatory Commission, which covers the index classification of companies with medium market value. Medium-cap companies refer to companies whose market value ranks 11st to 3th among all A-shares. They are in the middle market position, have stable profit and growth potential, and are excellent choices for investors. The CSI Midstream Index concentrates on such companies, providing investors with a reliable investment target.

The CSI midstream index has the characteristics of large scale, good liquidity and high dispersion. Among them, the large scale means that the total market value of these medium-sized companies is relatively large, which is still at a high level, compared with the blue-chip companies in the market. Good liquidity means that these companies have a large trading volume and are convenient to buy and sell; A high degree of dispersion means that these companies come from different industries and sectors and have a certain degree of risk dispersion, which can reduce the overall investment risk.

CSI midstream index can be widely used in various asset management products and investment tools, such as quantitative investment, index funds and ETFs. Investors can obtain a sustained and stable return on investment by buying the corresponding investment products of the CSI midstream index. At the same time, CSI midstream index can also be used as an important reference standard for portfolio. Investors can make reasonable asset allocation and risk control according to the operation of CSI midstream index to improve investment efficiency.