At present, both Shanghai and Shenzhen stock exchanges have collective auction and continuous bidding.

9:15--9:25 is the aggregate auction time, and the rest paction time is continuous auction time.

During the period of collective bidding, the automatic matching system of the stock exchange is only stored but not matched. When the declared bidding time is over, the matching system will produce the opening price of the stock on the basis of the principle of collective bidding.

The first day of the listing of Shanghai and Shenzhen new shares is not subject to a 10% increase or decrease. However, when the Shenzhen stock exchange is listed on the same day, the bidding price can not exceed the upper and lower 15 yuan of the new issue price. Otherwise, the bidding will be invalid in the collective auction, and only participate in the subsequent continuous bidding.

After the auction is over, it will enter continuous.

1, the price range must be less than 10% of yesterday's closing price.

2. Buy top.

3, if the declared price of the buyer (seller) is high (low), the average price declared by both parties shall be used when the declared price of the seller (buyer).

The exchange host will match the paction, and the host will immediately return the paction information to the brokerage office for investors to inquire about.

If the paction is not done or partially completed, the investor has the right to withdraw his entrustment or continue to wait for the paction. The general entrustment is valid for one day.

In addition, Shenzhen Stock