信用策略备忘录：追久期的窗口？

Group 1: Quantitative Credit Strategy - The urban investment bond duration strategy balances returns and defensiveness well, with cumulative excess returns for perpetual bonds, secondary bonds, and urban investment barbell combinations reaching 18.5bp, 14.7bp, and 5.1bp respectively [2][12] - Most medium to long-term strategies have shown excess returns in the past month, indicating potential profit from recent upward trends, although the likelihood of volatility corrections is higher compared to other strategies [2][12] Group 2: Duration Tracking - As of October 24, 2025, the weighted average transaction durations for urban investment bonds and industrial bonds are 1.98 years and 2.42 years, respectively, returning to over 80% of the high historical percentile since 2021 [3][15] - The weighted average transaction durations for secondary capital bonds, perpetual bonds, and general commercial bank bonds are 4.01 years, 3.46 years, and 1.83 years, with secondary capital bonds showing a relatively high duration percentile [3][15] Group 3: Yield Heatmap - As of October 27, 2025, the valuation yields and spreads of private enterprise industrial bonds and real estate bonds are generally higher than other varieties [4][17] - In the non-financial and non-real estate industrial bonds, yields have generally declined, with the average drop exceeding 6bp for 2-5 year state-owned enterprise private perpetual bonds [4][18] Group 4: Science and Technology Innovation Bonds - The issuance of science and technology innovation bonds reached a year-to-date high, with a total issuance scale of 699.4 billion yuan from October 20 to October 24, 2025, including 421.4 billion yuan from the exchange [5][20] - The subscription enthusiasm for new bonds has increased, with several science and technology bonds being oversubscribed by more than three times, indicating strong institutional demand for quality science and technology bonds [5][20] Group 5: Local Government Bonds - From October 20 to October 24, 2025, local government bonds issued totaled 247.2 billion yuan, including 112.4 billion yuan of new special bonds and 65.1 billion yuan of refinancing special bonds [6][23] - The main investment areas for special bond funds are "special new special bonds" and "ordinary/project income," with 73 billion yuan of special refinancing special bonds issued in October, accounting for 9.3% of the month's local bond issuance [6][23]