【固收】信用债发行量环比增长，各行业信用利差整体上行——信用债周度观察（20250922-20250926）（张旭/秦方好）

Group 1 - The core viewpoint of the article highlights the trends in the credit bond market, including issuance volume, types of bonds, and interest rates [4][5][6] Group 2 - In the primary market, a total of 501 credit bonds were issued, with a total issuance scale of 584.5 billion yuan, reflecting a week-on-week increase of 0.79% [4] - Among the types of bonds issued, industrial bonds accounted for 45.28% of the total issuance, with 200 bonds issued and a scale of 264.68 billion yuan, marking a 30.71% increase week-on-week [4] - Local government bonds (城投债) made up 27.36% of the total issuance, with 253 bonds issued and a scale of 159.94 billion yuan, increasing by 13.21% week-on-week [4] - Financial bonds saw a decrease of 32.29%, with 48 bonds issued and a scale of 159.88 billion yuan, representing 27.35% of the total issuance [4] - The average issuance term for credit bonds was 2.71 years, with industrial bonds averaging 2.22 years and financial bonds averaging 1.88 years [4] - The overall average coupon rate for credit bonds was 2.33%, with industrial bonds at 2.19% and financial bonds at 1.91% [4] Group 3 - In the secondary market, the credit spread for AAA-rated industries saw the largest increase in the machinery sector, rising by 9 basis points, while the media sector experienced a decrease of 3.1 basis points [5] - For AA+ rated industries, the steel sector had the largest increase in credit spread, up by 44.2 basis points, while the chemical sector saw a decrease of 1 basis point [5] - The total trading volume of credit bonds reached 1617.515 billion yuan, reflecting a week-on-week increase of 10.61% [6] - The top three types of credit bonds by trading volume were commercial bank bonds, corporate bonds, and medium-term notes, with trading volumes of 487.807 billion yuan, 496.120 billion yuan, and 323.965 billion yuan respectively [6]