1), click to enter the list of 300 stocks in Shanghai and Shenzhen, and the default increase is arranged. 2) The Shanghai and Shenzhen 300 Index futures contract is based on the Shanghai and Shenzhen 300 Index. 3) The Shanghai and Shenzhen 300 Index consists of 300 large-scale, highly liquid and most representative stocks in the Shanghai and Shenzhen A-share markets, which was officially released on April 8, 2005, fully reflecting the overall performance of the Shanghai and Shenzhen A-share markets. 4) The Shanghai and Shenzhen 300 Index is the first benchmark index of stock index futures in the Mainland. Developed by many domestic and foreign institutions as index funds and ETF products, the tracked assets rank first in the A-share stock index. 5) The Shanghai and Shenzhen 300 Index takes the adjusted share capital as the weight, and is obtained by grading the freely circulating share capital. The Shanghai-Shenzhen 300 Index takes the adjusted free floating share capital as the weight instead of the total share capital, which can more truly reflect the stock price changes of the actual tradable shares in the market, thus effectively avoiding the manipulation of the index through large-cap stocks.

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