The full name of stock index futures (SPIF) is stock index futures, which can also be called stock index futures and futures index. It refers to the standardized futures contract with the stock price index as the subject matter. The two parties agree to buy and sell the underlying index according to the size of the stock price index determined in advance at a future date, and settle the difference in cash after the expiration. As a type of futures trading, stock index futures trading has basically the same characteristics and processes as ordinary commodity futures trading. Stock index futures are a kind of futures, which can be roughly divided into two categories, commodity futures and financial futures.
According to scientific and objective methods, the SSE 50 Index selects 50 representative stocks with large scale and good liquidity in Shanghai, which comprehensively reflects the overall situation of a group of leading enterprises with the most market influence in Shanghai. SSE 50 Index was officially released on June 5438+1October 2, 2004. Its goal is to establish an active and large-scale investment index, which is mainly used as the basis of derivative financial instruments.
CSI 500 Index is one of the indexes developed by CSI Index Co., Ltd. In the sample space, the stocks are the top 300 stocks after deducting the sample stocks of CSI 300 Index and the average daily market value of the latest year. The rest of the stocks are sorted from high to low according to the average daily turnover of the latest year (since the listing of new shares), and the last 20% stocks are excluded. Then the remaining stocks are sorted from high to low according to the daily average total market value, and the top 500 stocks are selected. The CSI 500 Index comprehensively reflects the overall situation of small-cap companies in Shanghai and Shenzhen stock markets.