Copper futures are futures varieties with copper as the subject matter, which are listed on the Shanghai Stock Exchange.
CSI 500 is one of the indexes developed by CSI Index Co., Ltd., and the stocks in its sample space are the top 300 stocks after deducting the sample stocks of CSI 300 Index and the average daily market value in the latest year. The rest of the stocks are ranked from high to low according to the average daily turnover in the last year (since the listing of new shares), and the last 20% stocks are excluded. Then the remaining stocks are sorted according to the daily average market value from high to low, and the top 500 stocks are selected as the CSI 500. The CSI 500 Index comprehensively reflects the overall situation of small-cap companies in Shanghai and Shenzhen stock markets.
Stock index futures, abbreviated as SPIF in English, are full-name stock price index futures, which can also be called stock price index futures and futures index. It refers to the standardized futures contract with the stock price index as the subject matter. Both parties agree that at a future date, they can buy and sell the underlying index according to the size of the stock price index determined in advance, and settle the difference in cash after the expiration.