The closing price is not produced in call auction, but different exchanges are different, and some final transaction prices are closing prices; Have a plenty of the average transaction price in the last five minutes as the closing price. The purpose of this is to prevent someone from deliberately raising or lowering the closing price to cheat the line (creating a false trend chart).
The full name of stock index futures (SPIF) is stock index futures, which can also be called stock index futures and futures index. It refers to the futures varieties with stock index as the subject matter. Trading, like ordinary commodity futures trading, has the same characteristics and belongs to a kind of financial derivatives. As a type of futures trading, stock index futures trading has basically the same characteristics and processes as ordinary commodity futures trading. 20 10 1.8 After the stock market closed, the China Securities Regulatory Commission announced that the State Council agreed in principle to launch a pilot margin trading business for securities companies and launch stock index futures, and the CSRC will co-ordinate all the work before the stock index futures are listed. This means that after more than three years of preparation, the stock index futures that have been brewing for 17 years have finally come to fruition.