交易盘增持利率债保险减持金融债，非银杠杆继续抬升但仍处低位

1. Report Industry Investment Rating No information provided on the industry investment rating in the report. 2. Core Viewpoints of the Report - In April 2025, the total bond custody scale increased by 160.77 billion yuan month - on - month, a significant decrease of 104.79 billion yuan compared to March, mainly due to the sharp contraction of net financing of various interest - rate bonds and inter - bank certificates of deposit (NCDs). The custody stocks of credit bonds and commercial bank bonds turned upward month - on - month [3][6]. - In April, under the influence of the continued escalation of Sino - US trade frictions in the first half of the month, the bond market strengthened significantly. After the middle of the month, as the trade war tension eased, the bond market returned to a volatile state. Overall, the yield curve showed a bull - flattening trend. Institutional behavior still featured strong demand from trading desks and weak demand from allocation desks, but there were differences compared to March [3][8]. - In April, the repurchase balance continued to rise, and the bond market leverage ratio increased by 0.2 percentage points to 107.1% month - on - month, but it was still significantly lower than the level before January this year. The leverage ratio of commercial banks decreased, while that of non - bank institutions increased but remained at a historically low level [3][43]. 3. Summary by Relevant Catalogs 3.1同业存单与利率债净融资明显下滑 4 月债券托管增量大幅收缩 - In April, the net financing of NCDs and interest - rate bonds declined significantly, leading to a sharp contraction in the bond custody increment. The custody increments of various interest - rate bonds and NCDs decreased month - on - month. The custody stocks of credit bonds and commercial bank bonds turned upward month - on - month [6]. - Specifically, for interest - rate bonds, the custody increment of treasury bonds decreased to 26.6 billion yuan, local government bonds to 70.69 billion yuan, and policy - bank bonds to 1.32 billion yuan. For credit bonds, the custody increment of medium - term notes (MTNs) increased to 11 billion yuan, and short - term commercial papers (CPs) increased from a decrease of 2.78 billion yuan in March to an increase of 3.36 billion yuan. The custody scales of enterprise bonds and private placement notes (PPNs) continued to decline. The custody increment of NCDs decreased significantly to 37.79 billion yuan, while that of commercial bank bonds turned from a decrease of 0.53 billion yuan to an increase of 18.89 billion yuan [6]. 3.2 4 月交易盘继续增持利率债 保险公司减持金融债券 - In April, influenced by the significant decline in NCD rates, the allocation demand for NCDs from broad - based funds, securities companies, and other institutions decreased, while the trading desks' willingness to increase holdings of interest - rate bonds continued to strengthen. The insurance institutions' willingness to increase holdings weakened, especially the significant increase in the reduction of holdings of financial bonds on the Shanghai Clearing House, possibly due to some institutions realizing floating profits in anticipation of subsequent accounting standard adjustments [3][8]. - Broad - based funds: The custody increment decreased significantly to 115.56 billion yuan, mainly due to the sharp decline in the increase of NCD holdings. The increase in holdings of local government bonds, policy - bank bonds decreased, while that of financial bonds on the Shanghai Clearing House, treasury bonds, and CPs increased. The reduction of holdings of commercial bank bonds decreased [14]. - Securities companies: The bond custody increment increased slightly to 11.24 billion yuan, remaining at a historically high level. They turned to reduce holdings of NCDs and MTNs, but the increase in holdings of treasury bonds reached a record high, and the increase in holdings of policy - bank bonds and financial bonds on the Shanghai Clearing House also rose [20]. - Insurance companies: The bond custody increment decreased significantly to 0.99 billion yuan. They turned to reduce holdings of financial bonds on the Shanghai Clearing House, treasury bonds, NCDs, and policy - bank bonds, and the increase in holdings of local government bonds decreased [23]. - Overseas institutions: The bond custody increment decreased to 9.54 billion yuan. The increase in holdings of NCDs dropped significantly from a historical high, but they turned to increase holdings of policy - bank bonds and financial bonds on the Shanghai Clearing House, and the increase in holdings of treasury bonds increased slightly [28]. - Other institutions: The bond custody volume decreased by 74.29 billion yuan month - on - month, reaching a historical high. This was mainly affected by the central bank's shift from a net investment of 10 billion yuan in repurchase in March to a net withdrawal of 50 billion yuan in April. They turned to reduce holdings of local government bonds and increased the reduction of holdings of treasury bonds, but turned to increase holdings of NCDs and MTNs [31]. - Commercial banks: The bond custody increment increased to 77.06 billion yuan, affected by the return of some repurchase underlying assets to commercial banks after the net withdrawal of repurchase in April. If the impact of repurchase is excluded, the scale of bond - buying decreased. The reduction of holdings of policy - bank bonds and NCDs increased, and the increase in holdings of treasury bonds decreased [35]. - Credit unions: The bond custody volume turned from a decrease of 1.9 billion yuan in March to an increase of 0.05 billion yuan in April, mainly due to the shift to increase holdings of NCDs, but they turned to reduce holdings of treasury bonds and policy - bank bonds [39]. 3.3 4 月非银杠杆率继续回升 但仍处于历史低位附近 - In April, the repurchase balance continued to rise, and the bond market leverage ratio increased by 0.2 percentage points to 107.1% month - on - month, still significantly lower than the level before January this year. The leverage ratio of commercial banks decreased by 0.2 percentage points to 103.1%, reaching a historically second - lowest level. The leverage ratio of non - bank institutions increased by 0.9 percentage points to 116.8%, remaining near the low point since 2022 [43]. - Among non - bank institutions, the leverage ratio of securities companies increased significantly by 13.4 percentage points to 214.1%, returning to a neutral level. The leverage ratio of insurance and non - legal person products increased by 0.6 percentage points to 113.4%, remaining near a recent low. In broad - based funds, the repurchase balances of money market funds and non - money products of fund companies increased significantly, but their absolute values were still low. The repurchase balances of insurance companies and other products increased, approaching the historical high in December last year, while that of wealth management products slightly declined, remaining near a historical low [43].