1. Report Industry Investment Rating - Not provided in the content 2. Core Viewpoints of the Report - In the context of a volatile bond market and a passive widening of credit spreads, investors should prioritize high - coupon assets for certain returns and prepare in advance for the spread compression market driven by the seasonal inflow of wealth management funds in July [1][5]. - The current core contradiction in the credit bond market is the co - existence of weakening allocation demand and a passive widening of spreads in a volatile environment. Investors should seize pricing deviation opportunities under the protection of coupon safety cushions [5]. - The volatile market pattern caused by the interplay of multiple factors will continue, providing tactical opportunities for layout during market adjustments [6]. - The coupon strategy is the optimal solution in a volatile market, and portfolios should be constructed in a stratified manner according to the characteristics of liabilities [7]. - Investors should "pre - position" for the seasonal spread compression market in July and seize structural opportunities in specific bond varieties [8]. 3. Summary by Relevant Catalog 3.1 Yield and Spread Overview 3.1.1 Yields and Changes of Each Tenor - Yields of various types of bonds at different tenors are presented, along with their weekly changes and historical percentiles. For example, the 0.5 - year Treasury yield is 1.41%, down 4.0bp from last week, with a historical percentile of 8.4% [14]. 3.1.2 Spreads and Changes of Each Tenor - Credit spreads of various types of bonds at different tenors are shown, including their weekly changes and historical percentiles. For instance, the 0.5 - year credit spread of public non - perpetual urban investment bonds is 25bp, up 2.1bp from last week, with a historical percentile of 12.7% [16]. 3.2 Yields and Spreads of Credit Bonds by Category (Hermite Algorithm) 3.2.1 Yields and Spreads of Urban Investment Bonds by Region - **Yields and Changes of Each Tenor**: Yields of public non - perpetual urban investment bonds in different provinces at key tenors, their weekly changes, and historical percentiles are provided. For example, the 0.5 - year yield of Anhui's public non - perpetual urban investment bonds is 1.77%, up 2.6bp from last week, with a historical percentile of 1.1% [19]. - **Spreads and Changes of Each Tenor**: Credit spreads of public non - perpetual urban investment bonds in different provinces at key tenors, their weekly changes, and historical percentiles are given. For example, the 0.5 - year credit spread of Anhui's public non - perpetual urban investment bonds is 30.41bp, up 4.6bp from last week, with a historical percentile of 7.2% [22]. - **Yields and Changes of Each Implied Rating**: Yields of public non - perpetual urban investment bonds in different provinces for each implied rating, their weekly changes, and historical percentiles are presented. For example, the AAA - rated yield of Anhui's public non - perpetual urban investment bonds is 1.80%, up 3.8bp from last week, with a historical percentile of 5.1% [26]. - **Spreads and Changes of Each Implied Rating**: Credit spreads of public non - perpetual urban investment bonds in different provinces for each implied rating, their weekly changes, and historical percentiles are shown. For example, the AAA - rated credit spread of Anhui's public non - perpetual urban investment bonds is 28.96bp, up 4.8bp from last week, with a historical percentile of 32.2% [31]. - **Yields and Changes of Each Administrative Level**: Yields of public non - perpetual urban investment bonds in different provinces at each administrative level, their weekly changes, and historical percentiles are provided. For example, the provincial - level yield of Anhui's public non - perpetual urban investment bonds is 1.80%, up 3.5bp from last week, with a historical percentile of 3.7% [35].