Science and technology innovation board focuses on the opening of the market and implements the T+ 1 trading mechanism like A-shares. There are also many differences in rules. Investors should also have a clear understanding of other relevant rules. How to trade the science and technology innovation board? The rules are as follows: capital threshold: science and technology innovation board investors have a high capital access threshold, requiring that the average daily assets in the first 20 trading days should not be less than 500,000 RMB and the securities trading time should be more than 2 years. Small and medium-sized investors who can't meet the capital threshold can choose investment channels in Public Offering of Fund and participate in investment under the operation of professional institutions. Price limit: There is a price limit of 20% for science and technology innovation board bidding transactions, and there is no price limit for the first five trading days after the initial public offering. The calculation formula of price fluctuation is: price fluctuation = previous closing price (1 price fluctuation ratio). Trading time: Monday to Friday, 9: 00/5-9: 25 am is call auction time, 9:30- 1 1:30 pm, 13:00- 14:57 is continuous bidding time. On the basis of the original A-share trading hours, science and technology innovation board has also added after-hours pricing trading, with the time of 15:05- 15:50. The closing price is reported and matched according to the principle of time priority, and the trading is based on the closing price of the day. Declared quantity: the declared quantity of science and technology innovation board transactions, with a single transaction of not less than 200 shares, increased by 1 share, which can be 20 1.209 shares. A single purchase for price limit declaration cannot exceed 654.38 million shares, and the market price declaration cannot exceed 50,000 shares. If the balance at the time of sale is less than 200 shares, it shall be declared for sale at one time. As a new sector, the science and technology innovation board is still improving in various systems, and the trading rules will be continuously optimized with the market conditions, so we can pay close attention to it and wait and see.