The main consumption index of CSI consists of the stocks of major consumer industries in the sample stocks of CSI 800 Index to reflect the overall performance of the stocks of companies in this industry. A cyclical fund refers to a fund that conforms to the economic cycle or industry cycle. General industries have four cycles of recovery, prosperity, stagflation and recession, and cyclical industries will fluctuate with the ups and downs of the cycle.

Established on August 25th, 2005, CSI Index Co., Ltd. is a company specialized in the development and service of securities indexes and index derivatives initiated by Shanghai Stock Exchange and Shenzhen Stock Exchange according to the spirit of the chairman's office meeting of China Securities Regulatory Commission. Its functions include integrating the existing index resources of Shanghai and Shenzhen Stock Exchanges, compiling a unified index with influence in the national and even overseas markets, and providing the underlying index for financial derivatives such as stock index futures.