信用策略备忘录：高波动率与防守策略要点

Group 1: Quantitative Credit Strategy - The recent performance of perpetual bonds and broker bonds strategies has shown a high success rate as of May 9 [2] - Short-term strategies yielded limited excess returns, while mid to long-term strategies, excluding city investment duration and barbell strategies, showed positive excess returns [2][12] - Financial bonds and non-financial credit heavy strategies have widened the gap in cumulative excess returns over the past four weeks, particularly with increased yield elasticity in financial bond duration strategies [2][12] Group 2: Duration Tracking of Various Bonds - As of May 9, the weighted average transaction duration for city investment bonds and industrial bonds reached 2.09 years and 2.51 years respectively, both above the 90th percentile since March 2021 [3][15] - The weighted average transaction durations for secondary capital bonds, perpetual bonds, and general commercial bank bonds are 4.19 years, 3.59 years, and 2.30 years respectively [3][15] - Other financial bonds such as securities company bonds and insurance company bonds have varying durations, with some at historically low levels and others at high levels [3][15] Group 3: Yield Heatmap of Credit Assets - As of May 12, the valuation yield and spread of private enterprise real estate bonds are higher than other types of bonds [4][17] - Non-financial, non-real estate industrial bonds saw a yield decline of around 10 basis points, particularly in the one-year category [4][18] - Financial bonds with high valuation yields include leasing company bonds and securities subordinate bonds, with significant yield declines noted in certain categories [4][18] Group 4: Long-term Credit Bond Insights - The market shows weak willingness to increase long-duration credit bonds, despite the approaching low yields of government bonds and short-term assets [5][20] - Transaction volumes for mainstream long-duration industrial bonds have increased but remain below levels seen in late March, indicating insufficient trading sentiment to support long-term bond markets [5][20] - The recent week saw a decline in the transaction share of long-term credit bonds, falling below 70% [5][20] Group 5: Local Government Bond Supply and Trading Insights - The average coupon rates for 10-year, 20-year, and 30-year local government bonds are 1.79%, 2.07%, and 2.05% respectively, with varying spreads [6][23] - The liquidity in the interbank market remains reasonably ample, with moderate issuance volumes of local bonds, leading to stable supply pressure [6][23] - Long-term spreads continue to widen, but adjustments have led to a more stable outlook [6][23]