1.On the evening of September 2nd, CICC announced a series of strict control measures for stock index futures, which increased the open margin of futures index to 40% and the closing fee to 23/10000, and it was regarded as an abnormal trading behavior if the trading volume of a single product exceeded 10 in a single day, aiming to further curb excessive speculation in the market and promote the standardized and smooth operation of the stock index futures market.

The first is to adjust the intraday opening limit standard of stock index futures. CICC determined that since September 7th, 20 15, the trading volume of Shanghai and Shenzhen 300, SSE 50 and CSI 500 stock index futures customers exceeded 10 in a single day, which constituted an abnormal trading behavior of "large trading volume in a single day".

Intra-day trading volume refers to the sum of the number of buying and selling positions of customers for all contracts of a single product in a single day. The number of open positions in hedging transactions is not subject to this restriction.

The second is to raise the margin standard of stock index futures contracts. In order to effectively prevent market risks and curb market speculation by reducing capital leverage, from the date of settlement on September 7, 20 15,

The margin standard for non-hedging positions of Shanghai and Shenzhen 300, SSE 50 and CSI 500 stock index futures contracts is raised from the current 30% to 40%, and the margin standard for hedging positions of Shanghai and Shenzhen 300, SSE 50 and CSI 500 stock index futures contracts is raised from the current 10% to 20%.

The third is to substantially increase the handling fee standard for stock index futures. In order to further curb excessive speculative trading in the day, combined with the current market situation, from 2065438+September 7, 2005, the handling fee standard for stock index futures closed on that day was raised from 1. 15% of the closed amount to 23% of the closed amount.

II. Each variety has a maximum open position. Since March 20 13 12, the position limit standard of Shanghai and Shenzhen 300 stock index futures has been adjusted as follows:

(1) Customer number of speculative trading. The unilateral position limit of the contract is 600 lots;

(2) If the total unilateral position of a contract exceeds 6,543,800 lots after settlement, the unilateral position of the settlement member in the next trading day shall not exceed 25% of the total unilateral position of the contract.

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