固收深度报告：结构化融资再观察：城投ABS市场回顾与前瞻-市场篇

Group 1 - The current structured financing market for urban investment ABS is primarily dominated by enterprise ABS, with a small scale of ABN, reflecting significant structural differentiation and regional concentration [1][2] - As of April 2025, the outstanding balance of enterprise ABS is 30.744 billion yuan, accounting for 91%, while ABN accounts for only 9% [1][2] - The weighted average interest rate of urban investment ABS is 3.25%, which is 42 basis points lower than urban investment bonds, indicating a "low coupon rate dominates scale, high coupon rate dominates quantity" characteristic [1][3] Group 2 - The distribution of remaining maturities shows a significant long-term characteristic, with 37.79% of ABS having a remaining maturity of over 10 years, aligning with the long return cycle of underlying assets [1][3] - The rating structure is highly concentrated in AAA (77.87%) and AA+ (17.73%) ratings, with low-rated products accounting for less than 2%, indicating high credit quality of issuers [1][3][33] Group 3 - The main types of underlying assets are fee income rights (56%) and debt rights (40%), with real estate accounting for only 4% [2][3] - The eastern coastal regions dominate the market, with Jiangsu, Zhejiang, and Shandong provinces accounting for over 60% of the outstanding balance, reflecting strong economic strength and low debt ratios [2][3] Group 4 - In 2024, the total issuance of ABS reached 2.04 trillion yuan, a year-on-year increase of 8.87%, with urban investment issuance only 13.082 billion yuan, accounting for less than 1% [3][4] - The market activity is recovering in 2025, with transaction volume exceeding that of the same period in 2024, and turnover rate rebounding to 16.91% [3][4]