The stock opening hours in China are from Monday to Friday, 9: 30 am-11:30 pm-13: 00 pm-15: 00 pm, which is the same everywhere in China, subject to Beijing time.
Every morning from 9: 0015 to 9: 25 is call auction time. The so-called call auction means that when there is no transaction price on that day, the stock price can be input according to the closing price of the previous day and the forecast of the stock market on that day;
During this period, the prices of all input computers are equal. At the end of the transaction, the stock price is determined according to the principle of maximum turnover. This price is called call auction, and this process is called call auction.
For the call auction rule, please refer to the call auction entry. The matching principle is that the buyer's price is high, the seller's price is low, and those with the same price have priority to participate in the bidding. But the whole transaction process is not distributed matching, but centralized matching is completed at the end of bidding. Call auction time is 9: 15-9: 25, and you can hold documents, but you can't hold documents after 9: 25. You can't trade freely before 9: 30.
Extended data:
Matters needing attention in stock trading of science and technology innovation board:
1, the stock of science and technology innovation board is liberalized and relaxed. Different from the main board, there is no price limit for the stocks of Science and Technology Innovation Board in the first five days of listing, and then the daily price limit is relaxed from 10% of the main board to 20%.
The main purpose of relaxing the price limit is to give full play to the market, form a balanced price as soon as possible and improve pricing efficiency. It should be noted that in the initial stage of IPO, the intraday fluctuation of stocks may be significantly higher than that of the main board. Individual investors are advised to participate cautiously and avoid blindly following the trend.
2. Protective price limit is set for the market order of science and technology innovation board. When placing an order, investors must enter the protection price limit synchronously, otherwise the order will be invalid. Setting price limit protection for market orders is mainly due to the following two considerations:
(1) In the case of poor market liquidity, it can prevent the price fluctuation caused by market orders, and also provide a protective tool for investors to control the cost of placing orders;
(2) It is helpful for brokers to control the front-end funds of market orders without price limit.
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