1, Shanghai and Shenzhen 300 stock index futures are futures contracts with the Shanghai and Shenzhen 300 index as the subject matter, which are jointly issued by Shanghai Stock Exchange and Shenzhen Stock Exchange, and are one of the important indicators reflecting the overall performance of the Shanghai and Shenzhen A-share markets.
2. SSE 50 stock index futures is a futures contract with the above SSE 50 index as the subject matter published by Shanghai Stock Exchange, and it is one of the indicators reflecting the overall performance of the 50 stocks with the largest market value and the best liquidity in Shanghai A-share market.