2. Shanghai and Shenzhen 300 stock index futures are futures products with the Shanghai and Shenzhen 300 index as the subject matter launched by China Financial Futures Exchange on April 10.
3. The stocks in the sample space of CSI 500 Index are composed of the top 500 stocks with total market value excluding the constituent stocks of CSI 300 Index and the top 300 stocks with total market value, which comprehensively reflects the stock price performance of a number of small and medium-sized companies in China A-share market.
4. SSE 50 stock index futures are futures products with SSE 50 index as the subject matter. Launched by China Financial Futures Exchange on April 15, buyers and sellers trade the stock index price level after a certain period of time, and the difference is settled in cash.
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