机构行为观察周报20250523：债基久期提升，信用债换手率上行-20250524

Report Industry Investment Rating - Not mentioned in the provided content Core Viewpoints - Based on the calculation results of spot bond trading data, the central duration of all pure bond funds increased by 0.07 years to 3.15 years week-on-week this week [3]. - The median duration of medium - and long - term pure bond funds increased and the divergence decreased this week. The median 5DMA of all medium - and long - term pure bond funds reached 2.85 years, a week - on - week increase of 0.19 years, at the 99.3% quantile in the past three years, and the 5DMA of duration divergence was 0.48, a week - on - week decrease of 0.02, at the 57.4% quantile in the past three years [3]. - The median duration of short - term pure bond funds decreased and the divergence increased this week. The median 5DMA of all short - term bond funds reached 0.85 years, a week - on - week decrease of 0.08 years, at the 74.2% quantile in the past three years, and the 5DMA of duration divergence was 0.49, a week - on - week increase of 0.01, at the 74.4% quantile [3]. - The turnover rate of ultra - long - term interest rate bonds decreased and most of the turnover rates of credit bonds increased this week. As of May 23, 2025, the 10DMA of the turnover rate of treasury bonds with a term of over 10 years remained flat week - on - week at 2.40%, at the 80.7% quantile level in the past three years, while the turnover rates of most 3 - 5 - year credit bonds increased [3]. - The leverage ratio of the inter - bank bond market increased by 0.01 percentage points to 107.0% week - on - week this week. The leverage ratio of insurance companies increased by 0.20 percentage points to 125.6%, the leverage ratio of banks increased by 0.02 percentage points to 102.6%, the leverage ratio of securities companies decreased by 2.95 percentage points to 198.1%, and the leverage ratio of broad funds decreased by 0.12 percentage points to 111.8% [3]. - The scale of existing wealth management products in the whole market increased by 59.84 billion yuan week - on - week last week. The increase was in line with the seasonal level, and the net - breaking rate decreased slightly. The performance comparison benchmarks of newly issued wealth management products showed different trends for different terms [3]. Summary by Directory 1. This Week's Bond Fund Duration Central Point Increased - The central duration of all pure bond funds increased by 0.07 years to 3.15 years week - on - week this week [3][8]. - For medium - and long - term pure bond funds, the median duration of different types (interest - rate type, credit type, and all) showed different changes in terms of median and divergence, with most of the median durations increasing and the divergence showing different trends [3]. - For short - term pure bond funds, the median duration decreased and the divergence increased, with different trends for different types (interest - rate type and credit type) [3]. 2. This Week's Ultra - Long - Term Interest Rate Bond Turnover Rate Decreased, and Most Credit Bond Turnover Rates Increased - The turnover rates and their quantiles of different types of bonds (interest rate bonds, credit bonds, short - duration assets) for different terms are presented. For example, the 10 - year - plus treasury bond turnover rate 10DMA was 2.40% and remained flat week - on - week, at the 80.7% quantile in the past three years [3][22]. - The week - on - week changes in the turnover rates of different bonds are shown. Most 3 - 5 - year credit bond turnover rates increased [3][25]. - The turnover rates, their quantiles in the past three years, and the valuation spreads of local government bonds in different provinces and cities are provided. Sichuan, Shandong, and Anhui had relatively high local government bond turnover rates, and the 7 - 10 - year (inclusive) valuation spreads were 14.36bps, 15.03bps, and 15.37bps respectively [3][27]. 3. This Week's Allocation - Oriented Leverage Ratio Increased, and Trading - Oriented Leverage Ratio Decreased - The inter - bank bond market leverage ratio increased by 0.01 percentage points to 107.0% week - on - week. The leverage ratios of insurance companies, banks, securities companies, and broad funds changed differently, with insurance companies and banks increasing, and securities companies and broad funds decreasing [3][29]. 4. Last Week's Wealth Management Scale Increased, and the Net - Breaking Rate Decreased - The scale of existing wealth management products in the whole market increased by 59.84 billion yuan week - on - week last week, in line with the seasonal level. The net - breaking rate decreased to 0.89%, a week - on - week decrease of 0.11pcts [3]. - By term, the scale of wealth management products within 1 month (inclusive) increased significantly, the daily - open type decreased significantly, and the scales of other terms increased slightly. By investment nature, the scale of fixed - income wealth management products increased significantly, the cash - management type decreased significantly, and other investment types increased slightly [3]. - The performance comparison benchmarks of newly issued wealth management products for different terms showed different trends, with those within 1 month (inclusive) and 1 - 3 years (inclusive) increasing, those within 6 months - 1 year (inclusive) remaining flat, and others decreasing [3].