The fuse mechanism in the stock market originated in the United States. 1987 The biggest crash occurred in the history of the American stock market, and the following year, the American stock market implemented a fuse mechanism.
After that, Britain, South Korea, Japan, Finland, Australia and Singapore also began to implement the fuse mechanism. China Stock Exchange, Shenzhen Stock Exchange and CICC officially issued the relevant regulations on index fuse at the end of 20 15, and the fuse mechanism was formally implemented on 20 16 1.
However, after only four trading days, the CSRC announced that it would suspend the implementation of the fuse mechanism, so there is no fuse mechanism in China stock market at present.
On February 4th, 20 1 5,65438, Shanghai Stock Exchange, Shenzhen Stock Exchange and China Stock Exchange officially issued the "Regulations on Index Fuse", selecting the Shanghai and Shenzhen 300 Index as the benchmark index, setting two fuse thresholds of 5% and 7%, and setting them at 20 16,1year/kloc.
On the first day of the implementation of the new fuse regulation, the Shanghai and Shenzhen 300 Index fell to 5%, and the Shanghai and Shenzhen 300 Index fell to 7% on the same day, triggering the fuse threshold again.
In the next two trading days, the market stabilized. However, after the morning plunge of 65,438 on June 7, the two cities quickly dived and the second section of the plate was blown. All-day trading time is only 15 minutes. On the evening of October 7th, 65438/KLOC-0, the CSRC decided to suspend the fuse mechanism.