According to the Trading Rules of Shanghai Stock Exchange (revised for the second time in 2020)

(2) The highest declared transaction price of funds and bonds at the opening stage of call auction is not higher than 150% of the previous closing price and not lower than 70% of the previous closing price;

According to the Detailed Rules for Real-time Monitoring of Abnormal Securities Trading of Shanghai Stock Exchange (revised on 20 18)

Article 3 In case of any of the following abnormal fluctuations in securities auction trading, this Exchange may temporarily suspend trading according to market needs:

(3) The intraday trading price of other bonds without price limit rises or falls by more than 20% (inclusive) for the first time or by more than 30% (inclusive) for a single time compared with the previous closing price;

Article 4 The temporary suspension time in intraday trading shall be implemented according to the following standards:

(1) The first intraday temporary suspension time is 30 minutes;

(2) If the suspension time for the first time reaches or exceeds 14:57, the trading will be resumed on the same day 14:57;

(5) The second intraday suspension lasted until the same day 14:57.

Article 6 An investor may cancel the unsuccessful trading declaration during the temporary suspension of intraday trading.

2. Provisions on temporary suspension of intraday trading of Shenzhen convertible bonds.

According to the Trading Rules of Shenzhen Stock Exchange (revised in 2020)

3.4.3 For buying and selling securities without price limit, the effective bidding range shall be determined as follows:

(2) The effective bidding range of call auction on the first day of bond listing is 30% above and below the issue price, and the effective bidding range of continuous bidding and closing call auction is 65,438+00% above and below the transaction price; The effective bidding range of call auction on the first day of non-listing is 10% of the previous closing price, and the effective bidding range of continuous bidding and closing call auction is10% of the closing price;

According to the Notice on Matters Related to Temporary Suspension of Listed Bonds

Two. In case of any of the following circumstances in the bidding transaction of other listed bonds that are not restricted by price fluctuation, the Exchange may implement temporary suspension measures in the session:

(1) If the intraday transaction price rises or falls by 20% or more for the first time compared with the previous closing price, the temporary suspension time is 30 minutes;

(2) If the intraday transaction price rises or falls by 30% or more for the first time compared with the previous closing price, the transaction shall be suspended to 14:57.

Three. The specific time of temporary suspension in intraday trading shall be subject to the announcement of this exchange. If the temporary suspension time exceeds 14:57, trading will resume on the same day 14:57, call auction will resume accepting the declaration, and call auction will end.

4. During the temporary suspension period, investors can declare or cancel the declaration. When the transaction is resumed, the accepted declaration will be restored to call auction. The effective bidding range for temporary suspension of trading in call auction session is 10% above and below the transaction price.