品种久期跟踪：普信债与二级债久期背离

Report Industry Investment Rating - Not provided in the given content Core Viewpoints - As of September 26, the weighted average trading durations of urban investment bonds and industrial bonds were 1.89 years and 2.16 years respectively. Among commercial bank bonds, the weighted average trading durations of secondary capital bonds, bank perpetual bonds, and general commercial financial bonds were 4.39 years, 3.72 years, and 2.19 years respectively. The duration of bank perpetual bonds was at a relatively low historical level. Among other financial bonds, the durations of securities company bonds, securities subordinated bonds, insurance company bonds, and leasing company bonds were 1.35 years, 1.85 years, 3.10 years, and 1.30 years respectively. The durations of securities company bonds and securities subordinated bonds shortened, and the securities company bonds were at a relatively low historical quantile [1][8]. - The coupon duration congestion index dropped significantly. After reaching its peak in March 2024, the index declined and is currently at the 25.9% level since March 2021 [11]. Summary by Directory 1. Full - variety Duration Overview - The weighted average trading durations of urban investment bonds, industrial bonds, secondary capital bonds, bank perpetual bonds, general commercial financial bonds, securities company bonds, securities subordinated bonds, insurance company bonds, and leasing company bonds were 1.89 years, 2.16 years, 4.39 years, 3.72 years, 2.19 years, 1.35 years, 1.85 years, 3.10 years, and 1.30 years respectively. Their corresponding historical quantiles since March 2021 were 78.7%, 75.3%, 97.0%, 65.5%, 71.9%, 8.0%, 23.4%, 60.0%, and 76.5% [10]. 2. Variety Microscope Urban Investment Bonds - The weighted average trading duration of urban investment bonds hovered around 1.89 years. The duration of Hebei provincial urban investment bonds extended to 6.37 years, while that of Beijing district - level urban investment bonds shortened to around 1.63 years. The historical quantiles of the durations of urban investment bonds in regions such as Henan prefecture - level cities and Jiangxi prefecture - level cities exceeded 90%, and the duration of Hebei provincial urban investment bonds approached the highest level since 2021 [2][15]. Industrial Bonds - The weighted average trading duration of industrial bonds slightly shortened compared to the previous week, generally staying around 2.16 years. The trading duration of the commercial retail industry extended to 2.09 years, while that of the basic chemical industry shortened to 1.19 years. The trading durations of industries such as food and beverage, coal, real estate, and building decoration were at relatively low historical quantiles, while the building materials industry was at a relatively high historical quantile [2][20]. Commercial Bank Bonds - The duration of general commercial financial bonds extended to 2.19 years, at the 71.9% historical quantile, lower than the same period last year. The duration of secondary capital bonds extended to 4.39 years, at the 97% historical quantile, higher than the same period last year. The duration of bank perpetual bonds shortened to 3.72 years, at the 65.5% historical quantile, higher than the same period last year [2][23]. Other Financial Bonds - In terms of the weighted average trading duration, insurance company bonds > securities subordinated bonds > securities company bonds > leasing company bonds, at the 60%, 23.4%, 8%, and 76.5% historical quantiles respectively. The durations of securities company bonds and securities subordinated bonds slightly shortened compared to the previous week [2][26].