Quantitative Credit Strategy - As of August 1, the secondary capital bond heavy strategy has rapidly recovered, with the weekly average yield of the credit style secondary bond heavy portfolio rising nearly 87 basis points, reaching the highest absolute return since April [2][12] - The secondary bond heavy and long-term industrial strategies showed significant recovery compared to other portfolios, with weekly returns of 0.31% and 0.51%, respectively, compensating for over 65% of the losses from the previous week [2][12] - Financial bond duration strategies generally outperformed, with secondary bonds, perpetual bonds, and brokerage bond duration portfolios beating the mid-to-long-term benchmark by approximately 9.2 basis points, 8.7 basis points, and 10.4 basis points, respectively [2][12] Duration Tracking of Varieties - The transaction duration of secondary capital bonds has risen to 4.8 years as of August 3, with urban investment bonds and industrial bonds weighted at 2.24 years and 3.03 years, respectively, both at over 90% historical percentile levels since March 2021 [3][14] - Among commercial bank bonds, the weighted average transaction durations for secondary capital bonds, bank perpetual bonds, and general commercial bank bonds are 4.79 years, 4.02 years, and 2.91 years, respectively, with bank perpetual bonds at a relatively low historical level [3][14] - For other financial bonds, the durations of securities company bonds, subordinated securities bonds, insurance company bonds, and leasing company bonds are 1.78 years, 2.37 years, 3.00 years, and 1.61 years, respectively, with securities company bonds and subordinated securities bonds at low historical percentiles [3][14] Yield Heat Map of Coupon Assets - As of August 4, the yields of non-financial and non-real estate industrial bonds have generally declined, with yields for 1-year and 2-3 year private enterprise public non-perpetual bonds down by 5.8 basis points and 6.7 basis points, respectively [4][19] - Real estate bonds also saw a decline in yields, with the yield drop for 3-year private enterprise public non-perpetual bonds exceeding 6 basis points [4][19] - In the financial bond sector, bank subordinated bonds are favored, particularly in the short end, with yields for 1-year shares and 1-2 year city commercial bank secondary capital bonds down by 11.5 basis points and 8.8 basis points, respectively [4][19] Long-term Credit Bond Insights - The issuance scale of long-term credit new bonds totaled 13.42 billion, with supply returning to a low level, possibly due to rising issuance costs, as long-term bond issuers await favorable issuance windows [5][21] - Correspondingly, the average issuance rate of long-term credit new bonds continued to rise, with the issuance rate of long-term urban investment bonds reaching over the 50th percentile for the first time in 24 years [5][21] Local Government Bond Supply and Trading Tracking - The average issuance rate of local bonds has marginally increased, with the yield spreads for 30-year, 20-year, and 10-year local bonds widening to 14 basis points, 12 basis points, and 11 basis points, respectively, compared to the same-term government bonds [6][22]

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]