Shanghai and Shenzhen 300 stock index futures are compiled and maintained by China Securities Index Co., Ltd., and 300 A shares are selected as constituent stocks. The index draws lessons from the mature compilation concept of the international market, and adopts advanced technologies such as adjusting the rights and interests, filing at different levels, and adjusting the sample buffer. CICC's first stock index futures contract is based on the Shanghai and Shenzhen 300 Index.

The trading hours of the Shanghai and Shenzhen 300 stock index futures are "9: 15-1:30, 13: 00- 15", and the last trading day is "9:15".

The maximum fluctuation of daily price is limited to 10% of the settlement price of the previous trading day. This price limit is in line with the spot market.

The last trading day and delivery date are "the third Friday of the expiration month of the contract, which will be postponed in case of national legal holidays".

If the futures contract has a unilateral quotation on a certain trading day, the exchange may raise the trading margin standard at the time of settlement that day. "The previous risk control measures stipulated:" If the cumulative increase or decrease in the same direction as that in Dt-1trading day is less than 16%, the trading margin standard of this contract will be charged at the time of settlement on Dt trading day, and if it is higher than 12%, it will be charged according to the original standard ".

—— Finishing by stock index futures analysts of Hengrui Fortune Network