流动性与机构行为跟踪：杠杆上行，大行保险买长

Report Summary 1. Report Industry Investment Rating No information provided regarding the industry investment rating. 2. Core View of the Report This week (December 15 - December 19), the money market rates were divided. The average daily lending of large - scale banks increased month - on - month, and funds slightly increased leverage. The maturity of certificates of deposit (CDs) increased, and the yield curve of CD maturities shifted downward. In terms of spot bond transactions, the main buyers were large - scale banks, mainly increasing their holdings of interest - rate bonds within 3 years and 5 - 10 years. The net buying volume of funds decreased, mainly increasing their holdings of short - term credit bonds. Large - scale insurance companies continued to increase their allocation of ultra - long - term interest - rate bonds of 20 - 30 years, and rural commercial banks mainly sold interest - rate bonds [4]. 3. Summary by Relevant Catalogs 3.1 Money Market - Open market operations: There were 668.5 billion yuan of reverse repurchases due this week. The central bank cumulatively injected 657.5 billion yuan of reverse repurchases, and conducted a 60 - billion - yuan outright reverse repurchase on Monday and had a 40 - billion - yuan outright reverse repurchase due on Tuesday. The net liquidity injection for the whole week was 189 billion yuan. Next Thursday, 300 billion yuan of MLF will mature [7][10]. - Funds price: As of December 19, R001, R007, DR001, and DR007 were 1.35%, 1.52%, 1.27%, and 1.44% respectively, changing by 0.44BP, 0.73BP, - 0.41BP, and - 2.78BP compared with December 12, and were at the 15%, 9%, 10%, and 3% historical quantiles respectively [12]. - Large - scale banks' lending: From December 15 to December 19, the total lending scale of large - scale banks was 22.81 trillion yuan, with a daily maximum lending scale of 4.7 trillion yuan and an average daily lending scale of 4.6 trillion yuan, an increase of 0.17 trillion yuan compared with the previous week's daily average [7][17]. - Pledged repurchase transactions: The average daily trading volume was 8.48 trillion yuan, with a daily maximum of 8.63 trillion yuan, a 5% increase compared with the previous week's daily average. The proportion of overnight repurchase transactions increased, with an average daily proportion of 90.0%, a daily maximum of 90.3%, an increase of 0.57 percentage points compared with the previous week's daily average, and as of December 19, it was at the 93.1% quantile [7][19]. 3.2 Certificates of Deposit and Bills - CD issuance and financing: The total CD issuance this week was 993.19 billion yuan, an increase of 52.6 billion yuan compared with the previous week. The total maturity was 1062.9 billion yuan, an increase of 450 million yuan compared with the previous week. The net financing was - 69.7 billion yuan, an increase of 51.8 billion yuan compared with the previous week [7][22]. - By bank type: State - owned banks had the highest issuance scale. The issuance scales of state - owned banks, joint - stock banks, city commercial banks, and rural commercial banks changed by 103.75 billion yuan, 7.81 billion yuan, - 69.44 billion yuan, and - 1.64 billion yuan respectively compared with the previous week [22]. - By maturity type: The 3 - month CD had the highest issuance scale. The issuance scales of 1 - month, 3 - month, 6 - month, 9 - month, and 1 - year CDs changed by - 30.68 billion yuan, 77.06 billion yuan, - 77.38 billion yuan, 55.07 billion yuan, and 28.19 billion yuan respectively compared with the previous week. The 3 - month CD accounted for the highest proportion (33.64%) of the total issuance of CDs by different types of banks, mainly issued by city commercial banks; the 6 - month CD accounted for 32.61%, mainly issued by state - owned banks [22]. - CD maturity and yield: The CD maturity this week increased to 1062.9 billion yuan, an increase of 450 million yuan compared with the previous week. Next week (December 22 - December 26), 882.2 billion yuan of CDs will mature. The yield curve of CD maturities shifted downward. As of December 19, the yields of 1 - month, 3 - month, 6 - month, 9 - month, and 1 - year CDs rated AAA changed by - 0.25BP, - 2BP, - 2.5BP, - 1.75BP, and - 2.5BP respectively compared with December 12 [7][26][34]. - Bill rates: As of December 19, the 3 - month direct discount rate, 3 - month transfer discount rate, 6 - month direct discount rate, and 6 - month transfer discount rate of state - owned and joint - stock banks were 0.66%, 0.5%, 0.91%, and 0.95% respectively, changing by 3BP, 4BP, 7BP, and 0BP respectively compared with December 12 [7][36]. 3.3 Institutional Behavior Tracking - Leverage ratio: The inter - bank leverage ratio in the bond market increased by 0.21 percentage points to 106.89% as of December 19 compared with December 12, at the 52.7% historical quantile since 2021. The leverage ratios of banks, securities firms, insurance companies, and broad - based funds were 103.5%, 184%, 133.8%, and 104.6% respectively, changing by 0.04BP, 0.46BP, 1.68BP, and 0.01BP respectively compared with December 12, and as of December 19, they were at the 30%, 1%, 95%, and 15% historical quantiles respectively [40][41]. - Net buying duration: The central value of the net buying duration of funds rebounded. As of December 19, the weighted average net buying duration of funds (MA = 10) was - 0.75 years, an increase from - 3.52 years on December 12, at the 18% historical quantile. The weighted average net buying duration of wealth management products (MA = 10) was 5.53 years, showing an increase compared with December 19, at the 99% historical quantile. The weighted average net buying duration of rural commercial banks (MA = 10) was - 1.38 years, turning negative compared with December 12, at the 26% historical quantile. The weighted average net buying duration of insurance companies (MA = 10) was 14.39 years, an increase compared with December 12, at the 97% historical quantile [7][43]. - Duration of pure - bond funds: As of December 19, the duration of medium - and long - term pure - bond funds increased by 0.03 years to 3.58 years compared with December 12, at the 51% historical quantile since this year. The duration of short - term pure - bond funds increased by 0.09 years to 1.91 years compared with December 12, at the 99% historical quantile since this year [45].