流动性和机构行为周度观察：资金平稳，杠杆提升-20251228

Report Summary 1. Report Industry Investment Rating No industry investment rating is provided in the report. 2. Core Viewpoints - From December 22 - 26, 2025, the central bank's short - term reverse repurchase slightly net - withdrew funds. From December 22 - 28, 2025, the net payment scale of government bonds significantly increased compared with the previous week. The maturity yield of inter - bank certificates of deposit (NCDs) showed a sideways trend overall, and the average leverage ratio of the inter - bank bond market increased. - Looking forward to early 2026, there are many factors disturbing the capital market. However, the key lies in the central bank's attitude towards liquidity injection. It is expected that the central bank will support the capital market in early 2026, and measures such as "dual cuts" or active liquidity injection through open - market operations are expected in the first quarter [7]. 3. Summary by Directory 3.1 Capital Market - Central Bank Operations: From December 22 - 26, 2025, the central bank's 7 - day reverse repurchase had a net withdrawal of 348 billion yuan, treasury cash fixed - deposit had a net injection of 300 billion yuan, and medium - term lending facility (MLF) had a net injection of 1000 billion yuan. From December 29, 2025 - January 4, 2026, 7 - day and 14 - day reverse repurchases will mature at 6227 billion yuan, with 4701 billion yuan maturing on January 4, 2026. In January 2026, 3M and 6M outright reverse repurchases will mature at 11000 billion yuan and 6000 billion yuan respectively, and MLF will mature at 2000 billion yuan [6]. - Interest Rates: From December 22 - 26, 2025, the average values of DR001 and R001 were 1.26% and 1.35% respectively, down 1.0 basis points and up 0.5 basis points compared with December 15 - 19, 2025; the average values of DR007 and R007 were 1.45% and 1.52% respectively, up 0.3 basis points and up 0.6 basis points compared with December 15 - 19, 2025 [7]. - Government Bond Net Financing: From December 22 - 28, 2025, the net payment scale of government bonds was about 3667 billion yuan, an increase of about 3506 billion yuan compared with December 15 - 21, 2025. The net financing of national bonds was about 3741 billion yuan, and the net financing of local government bonds was about - 74 billion yuan. From December 29, 2025 - January 4, 2026, the net payment scale of government bonds is expected to be 138 billion yuan [8]. 3.2 Inter - bank Certificates of Deposit (NCDs) - Maturity Yield: As of December 26, 2025, the maturity yields of 1M and 3M NCDs were 1.6150% and 1.5950% respectively, up 0.2 basis points and basically unchanged compared with December 19, 2025; the maturity yield of 1Y NCDs was 1.6350%, basically unchanged compared with December 19, 2025 [9]. - Net Financing: From December 22 - 28, 2025, the net financing of NCDs was about - 3219 billion yuan. From December 29, 2025 - January 4, 2026, the maturity repayment of NCDs is expected to be 2949 billion yuan. The maturity scale of NCDs in January 2026 is about 2.32 trillion yuan, a decrease of 1.39 trillion yuan month - on - month and an increase of 0.93 trillion yuan year - on - year [9]. 3.3 Institutional Behavior - Leverage Ratio: From December 22 - 26, 2025, the average leverage ratio of the inter - bank bond market was 108.18%, compared with 107.92% from December 15 - 19, 2025 [10]. - Duration of Bond Funds: On December 26, 2025, the median duration (MA5) of medium - and long - term interest - rate style pure bond funds was 4.80 years, up 0.10 years week - on - week, at the 89.8% quantile since the beginning of 2022; the median duration (MA5) of short - term interest - rate style pure bond funds was 1.74 years, up 0.20 years week - on - week, at the 44.9% quantile since the beginning of 2022 [10].