There is not much difference between the trading rules of GEM and the main board. In addition to the trading risk control system on the first day of listing, the temporary suspension system is implemented on the day when the initial public offering of GEM shares is listed.

The trading unit of GEM stocks is "shares" and the trading unit of investment funds is "shares". When buying, the quantity must be 1 shares (shares) or an integral multiple thereof; When selling, the declared number must also be 1 shares or an integral multiple thereof. Securities with less than 1 shares (shares) can be declared for sale at one time. The quotation unit of securities is "price per share", and the minimum change unit is .1 yuan.

the price fluctuation is limited, which is the same as that of the main board, and the fluctuation ratio is 1%. Price formula: Price ceiling price = (1 price ratio) × closing price of the previous trading day (the calculation result is rounded to RMB .1). There is no limit on the first day of listing.

Extended information:

The trading rules of GEM stocks are as follows:

Every trading day is from 9: am to 9: 25 am call auction time; 9: 3 am to 11: 3 am, and 1: pm to 3: pm are continuous bidding time. The closing time shall be subject to the national statutory holidays and the announced closing time. Implement the T+1 circulation system. Stocks bought on the same day cannot be sold on the same day, and selling needs to wait until the second trading day.

at the beginning of GEM trading code 3; The main board of Shanghai Stock Exchange starts with , Shenzhen with 6 and science and technology innovation board with 688. After the registration system, the trading system of GEM was changed in July 22: the price limit was changed to 2%, while the price of the main board transactions in Shanghai and Shenzhen was still 1%.

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