Group 1: Report Industry Investment Rating - No relevant content provided Group 2: Core Viewpoints of the Report - The local government bond market continued to expand last week, with the stock of local bonds reaching 50.79 trillion yuan as of May 16, 2025 [3][11]. - The issuance of local government bonds last week totaled 197.249 billion yuan, including 99.393 billion yuan of new special bonds and 21.938 billion yuan of refinancing special bonds [4][18]. - Since mid - late March this year, the yield of local government bonds has been in a continuous downward trend [5][36]. Group 3: Summary by Directory 1. Stock Market Overview - As of May 16, 2025, the stock of local bonds reached 50.79 trillion yuan. New special bonds accounted for over 43% of the outstanding local bonds, and refinancing special bonds accounted for 21% [3][11]. - Among the special bonds with clear funding uses, the stock balances of shantytown renovation, park and new district construction, and rural revitalization were all over 1 trillion yuan. The stock balance of toll roads exceeded 880 billion yuan, and that of water conservancy and ecological projects was over 200 billion yuan [3][11]. - As of May 16, 2025, Guangdong, Jiangsu, and Shandong ranked top three in terms of local bond stock, with each exceeding 3 trillion yuan. Other GDP - large provinces such as Sichuan, Zhejiang, Hunan, Henan, Hebei, and Hubei also had a stock of over 2 trillion yuan [3][11]. 2. Primary Supply Rhythm - Last week, local government bonds worth 197.249 billion yuan were issued, including 99.393 billion yuan of new special bonds and 21.938 billion yuan of refinancing special bonds. "Ordinary/project revenue" and "repayment of local bonds" were the main investment areas for special bond funds [4][18]. - As of May 16, 2025, the issuance of special refinancing special bonds in May had reached 30.168 billion yuan, accounting for 5.47% of the monthly local bond issuance [4][18]. - In terms of the issuance term structure, the issuance of 7 - 10 - year local bonds last week had a relatively high proportion, reaching 42.26%. The average coupon rates of local bonds for each major term were basically the same as those two weeks ago. The spread between the 30 - year local bond issuance rate and the same - term treasury bond slightly widened to 23.65BP, and the spread of the 20 - year local bond to the same - term treasury bond slightly narrowed to 14.35BP [4][27]. - From the perspective of new bond subscription, the upper limit of the bid rate last week increased slightly compared with two weeks ago, and the primary tender sentiment significantly recovered [4][27]. - Five provinces issued new bonds last week. Anhui had the largest issuance volume this month, with terms mainly concentrated in 7 - 10 years and 10 - 20 years. Fujian followed, with terms mainly concentrated within 7 years and 10 - 20 years. Guangxi, Guangdong, Shandong, and Sichuan also had relatively large new issuance amounts. Except for Guangxi and Inner Mongolia, the issuance rates of other provinces were below 2% [4][35]. 3. Secondary Trading Characteristics - Since mid - late March this year, the yield of local government bonds has been in a continuous downward trend. As of May 16, 2025, the yield of 10 - year local bonds was 1.9%, with a spread of 22.07BP to the same - term treasury bond, at the 72.6% quantile since 2024. The quantiles of the price spreads of 15 - year and 30 - year varieties were 72.6% and 88.2% respectively [5][36]. - The turnover rate of local bonds rebounded last week, and the turnover rates of all term varieties significantly increased compared with two weeks ago. The highest weekly turnover rate was for varieties within 10 years, at 1.02% [5][43]. - In terms of regions, Shandong had over 300 trading transactions and Jiangsu had over 200 trading transactions last week. The average trading term of local bonds last week was 16.53 years, with an average yield of 1.96% [5][43]. - In terms of the investor structure, commercial banks, insurance companies, securities proprietary departments, and broad - based funds were the most active institutions in local bond trading. Insurance companies remained the main undertakers of local bond supply, with a total net purchase of local bonds worth 57.304 billion yuan, of which the purchase of varieties over 20 - 30 years accounted for 73%. Other institutions were all net sellers [5][44].

量化信用策略 截至 5 月 9 日数据，银行永续债及券商债策略近期胜率不低。从策略期限来看，上周短端策略超额收益有限，城投下 沉组合落后于中长端基准；中长端策略方面，除城投久期、哑铃型策略外，其余策略组合超额收益均为正，其中，金 融债与非金信用重仓策略近四周累计超额收益进一步拉开差距，尤其是金融债久期策略近期收益弹性有所增加。 品种久期跟踪 二级资本债成交久期创年内最高。截至 5 月 9 日，城投债、产业债成交期限分别加权于 2.09 年、2.51 年，城投债与 产业债均处于 2021 年 3 月以来 90%以上分位数水平，商业银行债中，二级资本债、银行永续债以及一般商金债加权平 均成交期限分别为 4.19 年、3.59 年、2.30 年；从其余金融债来看，证券公司债、证券次级债、保险公司债、租赁公 司债久期分别为 1.58 年、1.98 年、3.75 年、1.27 年，其中证券公司债、证券次级债位于较低历史分位，保险公司 债、租赁公司债位于较高历史分位。 票息资产热度图谱 截至 2025 年 5 月 12 日，存量信用债中，民企地产债估值收益率及利差整体高于其他品种。与节前一周相比，非金融 非地产类产业债收 ...

一、存量市场概览 截止上周五，地方债存量规模达到 50.49 万亿元。存续的地方债中新增专项债规模占比超过 43%，再融资专项债占比 为 21%。明确资金用途的存量债中，棚户区改造、园区新区建设、乡村振兴是规模较大的投向领域，存量余额均在 1 万亿以上。其次收费公路存量余额超过 8700 亿元，水利和生态项目存量余额也在 2000 亿以上。截止 4 月 25 日，广 东、江苏、山东地方债存量规模仍位居三甲，三省地方债存量规模均超过 3 万亿元，其余 GDP 大省如四川、浙江、湖 南、河南、河北、湖北存量规模也位于 2 万亿以上。 二、一级供给节奏 上周地方政府债共发行 1911.22 亿元，较前一周微降。其中，新增专项债 1167.07 亿元，再融资专项债 429.21 亿元。 分募集资金用途来看，"普通/项目收益"和"偿还地方债券"是专项债资金的主要投放领域，"置换隐性债务"发行 规模较上周有所下降。截至 4 月 25 日，4 月份特殊再融资专项债发行已有 2616.69 亿元，占当月地方债发行规模的 比例达到 37.74%。 发行期限结构方面，上周 1-7 年和 7-10 年期地方债发行占比相对较高，占比 ...