债市专题研究：央行何时重启国债买卖？

1. Report Industry Investment Rating No investment rating information is provided in the content, so this part is skipped. 2. Core Views of the Report - The probability of the central bank restarting Treasury bond trading is increasing, and it is worth expecting the central bank to announce the restart of Treasury bond trading within the year. The expectation of the central bank restarting Treasury bond trading may lead to a decline in long - term interest rates [1][4]. - If the central bank restarts buying bonds, the 10 - year Treasury bond yield may fall below 1.70%, similar to the situations in the first half of 2015 and 2019 [4]. 3. Summary According to the Directory 3.1 Reasons for the Increasing Probability of the Central Bank Restarting Treasury Bond Trading - Tool Establishment Intention: When the central bank's Treasury bond trading operation was set up, it had the implication of being a normal monetary policy tool. Currently, the interest rate is in a stable range - bound state, which provides a market foundation for the central bank to resume normal operations. In early 2025, the central bank suspended this operation, perhaps due to the rapid decline in interest rates [1][11]. - Institutional Design: The central bank's draft for soliciting opinions in July 2025 removed the freeze on collateral for bond repurchases. Coupled with the recent extension of the maturity of large banks' Treasury bond purchases from within 3 years to 3 - 5 years, if the central bank restarts Treasury bond trading, the pressure on large banks to "sweep the market" will decrease, and the impact on short - and medium - term interest rates may be systematically reduced [2][15]. - Current Necessity: Although the immediate need to restart Treasury bond trading from the perspective of liquidity is relatively low, given the limited room for further cuts in the reserve requirement ratio and the stable operation of the bond market, there is a need to resume normal long - term liquidity adjustment through Treasury bond trading. It is difficult to normalize the function of adjusting the interest rate curve, and the necessity of selling long - term bonds for adjustment is insufficient [3][18]. 3.2 Impact of the Central Bank Restarting Treasury Bond Trading - Impact on Liquidity: Restarting Treasury bond trading may be a "icing on the cake" operation. Even if the central bank does not restart, inter - bank liquidity is expected to remain stable and abundant. The central bank's short - and medium - term liquidity injection is obvious, and corporate foreign exchange settlement and fiscal factors will lead to endogenous liquidity easing in Q4 [4][30]. - Impact on the Bond Market Strategy: If the central bank restarts buying bonds within the year, the 10 - year Treasury bond yield may fall below 1.70%. The expectation of the central bank restarting Treasury bond trading may lead to a decline in long - term interest rates [4][31]. 3.3 Other Related Points - Function Importance Ranking: The importance ranking of the functions of central bank Treasury bond trading is: liquidity management > cooperation with Treasury bond issuance > adjustment of the interest rate curve [18]. - Judgment on Future Operations: The central bank's Treasury bond trading as a liquidity management tool has the implication of being normal. Currently, the necessity of restarting is slightly insufficient, but it can be launched in small amounts in advance. The removal of the freeze on collateral for bonds will reduce policy costs and systematically reduce the impact on short - and medium - term interest rates [27].