信用策略备忘录：窄幅波动记录期

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]