流动性和机构行为周度观察：资金面迎来税期及跨月双重扰动-20251027

1. Report Industry Investment Rating No information regarding the industry investment rating is provided in the given content. 2. Core Viewpoints of the Report - From October 20 to October 24, 2025, the central bank had a net injection of funds through short - term reverse repurchase. On October 27, it conducted a 900 billion yuan MLF operation, with a net MLF injection of 200 billion yuan in October. The overall liquidity situation was loose [2][6]. - The liquidity remained loose, but there was some volatility pressure at the end of the month. The central bank showed a clear attitude of caring for liquidity, with a continuous net injection of medium - and long - term liquidity. However, at the end of October, due to the overlap of tax payments and cross - month disturbances, the cross - month liquidity was expected to be generally stable but with some volatility compared to the mid - month level [7]. - The net payment scale of government bonds increased. From October 20 to October 26, 2025, the net payment scale of government bonds was about 214.2 billion yuan, an increase of about 74 billion yuan compared to the period from October 13 to October 19. From October 27 to November 2, the net payment scale of government bonds was expected to be 133.72 billion yuan [8]. - Most of the maturity yields of inter - bank certificates of deposit (NCDs) declined, while the 1 - year yield increased. The net financing amount of NCDs increased. From October 20 to October 26, 2025, the net financing amount of NCDs was about 345.4 billion yuan. From October 27 to November 2, the maturity repayment amount of NCDs was expected to be 564.3 billion yuan [9]. - The average leverage ratio of the inter - bank bond market decreased slightly. Based on the calculation results, the duration of medium - and long - term pure bond funds decreased, while the duration of short - term pure bond funds increased [10]. 3. Summary by Relevant Catalogs 3.1 Funds - Central Bank Operations: From October 20 to October 24, 2025, the central bank's 7 - day reverse repurchase had a net injection of 7.81 billion yuan. On October 23, it conducted a 12 billion yuan treasury cash fixed - deposit operation. In October, the MLF matured at 700 billion yuan, and on October 27, the central bank conducted a 900 billion yuan MLF operation, with a net MLF injection of 200 billion yuan. The two medium - and long - term liquidity tools, namely, the repurchase and MLF, had a total net injection of 600 billion yuan in October [6]. - Liquidity Situation: From October 20 to October 24, 2025, the average values of DR001 and R001 were 1.32% and 1.37% respectively, up 0.2 and 1.3 basis points compared to the period from October 13 to October 17. The average values of DR007 and R007 were 1.43% and 1.47% respectively, up 0.4 and down 0.4 basis points compared to the previous period. The overall liquidity was still relatively loose, but there was a slight increase in the weighted average rate of DR001 on October 24 [7]. - Government Bond Net Payment: From October 20 to October 26, 2025, the net payment scale of government bonds was about 214.2 billion yuan, with the net financing amount of national bonds about 77.5 billion yuan and that of local government bonds about 136.7 billion yuan. From October 27 to November 2, the net payment scale of government bonds was expected to be 133.72 billion yuan, with the net financing of national bonds about - 53.94 billion yuan and that of local government bonds about 187.66 billion yuan [8]. 3.2 Inter - bank Certificates of Deposit - Maturity Yields: As of October 24, 2025, the 1 - month and 3 - month maturity yields of NCDs were 1.4950% and 1.5900% respectively, down 1.0 and 0.4 basis points compared to October 17. The 1 - year maturity yield was 1.6750%, up 0.9 basis points compared to October 17 [9]. - Net Financing Amount: From October 20 to October 26, 2025, the net financing amount of NCDs was about 345.4 billion yuan, higher than the 222.7 billion yuan in the period from October 13 to October 19. From October 27 to November 2, the maturity repayment amount of NCDs was expected to be 564.3 billion yuan [9]. 3.3 Institutional Behavior - Inter - bank Bond Market Leverage Ratio: From October 20 to October 24, 2025, the average calculated leverage ratio of the inter - bank bond market was 107.56%, slightly lower than the 107.69% in the period from October 13 to October 17 [10]. - Duration of Pure Bond Funds: On October 24, 2025, the median duration (MA5) of medium - and long - term interest - style pure bond funds was 4.79 years, down 0.53 years week - on - week, at the 79.1% quantile since the beginning of 2022. The median duration (MA5) of short - term interest - style pure bond funds was 2.53 years, up 0.26 years week - on - week, at the 83.9% quantile since the beginning of 2022 [10].