Credit Spread Performance - In May, the supply of credit bonds decreased, leading to a general decline in credit spreads, with lower-rated credit bonds experiencing a more significant narrowing [1] - The AAA-rated industrial bonds saw a uniform narrowing of credit spreads across all sectors, with the real estate sector showing the largest reduction of 18.98 basis points, while the financial holding sector had the smallest reduction of 2.36 basis points [8][9] - For private placement bonds, the pharmaceutical and biological sector had the largest narrowing of 17.18 basis points, while the environmental protection sector had the smallest at 0.99 basis points [8][9] City Investment Bonds - In May, credit spreads for city investment bonds across major ratings and maturities all declined, with the largest narrowing observed in Qinghai province for both public and private bonds [1] - The overall trend indicates that credit spreads for city investment bonds are moving downward across various regions and issuer levels [1] Financial Bonds - The credit spreads for bank perpetual bonds and other financial instruments generally narrowed, with most varieties experiencing a decrease, although some maturity spreads widened [1] - Securities companies' subordinated bonds and insurance companies' capital replenishment bonds saw a complete decline in credit spreads during the month [1] Historical Context - By the end of May, various types of credit bonds maintained historically low credit spreads, particularly for short-duration non-financial credit bonds and short-duration financial bonds, while medium to long-term financial bonds remained at relatively high historical percentiles [1][6]

摘要 4月，信用债收益率整体下行，短久期利差全线收窄，中长久期收益率下行幅度不及同期限国开债，信用利差多数走阔。当月各品种信用债等 级利差涨跌互现，当月期限利差整体走阔。 | | 1年 3 सेंट રે સ્દ | | --- | --- | | ４月末利差 (bp) | | | | AAA AA+ AA AA- AAA AA+ AA AA- AAA AA+ AA AA- | 产业债：4月，各行业AAA级产业债信用利差多数走阔。公募债中，金融控股行业利差走阔幅度最大，纺织服饰行业利差收窄幅度最大。私募 债中，基础化工、商贸零售行业利差收窄，其余行业利差走阔。 城投债：4月，主要评级、期限城投债信用利差波动上行。分区域看，4月各省份、各主体级别城投债信用利差走势分化，贵州、青海等利差相 对偏高的区域利差多数收窄，北京、上海等利差相对较低的地区利差多数走阔。分等级看，低等级城投债信用利差多数收窄，高等级城投债信 用利差多数走阔。 金融债：4月，银行二永债信用利差多数收窄，品种利差涨跌互现，等级利差多数收窄，期限利差全面走阔。当月证券公司次级债和保险公司 资本补充债信用利差全面走阔。 本文目录 报告正文如下 一 ...