According to the fuse regulation, when the benchmark index (CSI 300 Index) of the stock exchange market (Shanghai Stock Exchange and Shenzhen Stock Exchange) and the futures exchange market (CICC) fluctuates beyond a certain range, the whole market will suspend trading for a period of time to prevent the market from overreacting.

When the Shanghai and Shenzhen 300 Index rose or fell by 5% on the same day, the fuse mechanism was triggered, and the three exchanges (Shanghai Stock Exchange, Shenzhen Stock Exchange and CICC) were suspended for 15 minutes; When the Shanghai and Shenzhen 300 Index rose or fell by 7% on the same day, trading was suspended until the close; When the Shanghai and Shenzhen 300 Index rose or fell by 5% at the end of the session (14:45 and beyond), trading was suspended until the close.

Extended data:

The benchmark date of the Shanghai and Shenzhen 300 Index is 65438+February 3, 20041,and the benchmark date is 1000 points. The Shanghai and Shenzhen 300 Index selects 300 A shares as samples, including Shanghai Stock Exchange 179 and Shenzhen Stock Exchange 12 1. The sample of the Shanghai and Shenzhen 300 Index covers about 60% of the market value of the Shanghai and Shenzhen markets, which has a good market representation.

Trading hours are 9: 30am-11:30am, and afternoon13: 00pm-15: 00pm. This trading schedule is beneficial to the price discovery function of stock index futures, which is convenient for investors to adjust hedging strategies according to spot stock assets and prices and effectively control risks.

Baidu Encyclopedia-Shanghai and Shenzhen 300 Index