What is a bond ETF? Bond ETF (bond trading open index fund) is a bond index fund, and investors can obtain the average expected annualized expected return of the bond market represented by the underlying index through investment holding. Investors can purchase and redeem in the primary market, buy and sell in the secondary market, arbitrage in the primary and secondary markets, and use it as a tool for spot arbitrage and spread arbitrage in the future.

what should investors pay attention to when buying and selling bond ETFs? After the bond ETF is listed, investors can buy and sell ETF shares through securities companies during the trading hours of Shenzhen Stock Exchange, and make a deal at the matching price of the trading system. (1) The trading of bond ETFs is declared by shares, with the minimum price change unit being RMB, the minimum buying unit being 1 fund shares (i.e. "1 lot") and the minimum selling unit being 1 fund share, and the relevant rules of block trading can be applied; (2) Bond ETF trading shall be subject to price fluctuation limit, with the fluctuation ratio of 1%, which shall be implemented from the first day of listing; (3) the bond ETF implements the revolving transaction on the same day, that is, the bond ETF bought on the same day can be sold on the same day.

what should investors pay attention to when purchasing and redeeming bond ETFs? During the period of open subscription and redemption of bond ETFs, investors can purchase and redeem funds on behalf of securities companies through subscription and redemption. Attention should be paid to the following matters: (1) The reporting time is the trading time of Shenzhen Stock Exchange, except when the fund manager announces to suspend the subscription or redemption business. (2) Both subscription and redemption are declared by shares, and each declaration must be an integer multiple of the minimum subscription and redemption unit. (3) Investors should prepare sufficient consideration according to the subscription and redemption list published by the fund manager on the same day, including portfolio securities, cash substitution, cash difference and other considerations. (4) The application for subscription and redemption shall not be revoked after submission.

when will the net fund share value of the bond ETF be announced? The calculation of the net share value of bond ETF funds was completed on T day, and was announced on the website of Shenzhen Stock Exchange and the fund company official website on T+1 day.