美债投资手册系列报告（一）：美国债券市场生态全景

1. Report's Industry Investment Rating - No information provided in the report 2. Core Viewpoints of the Report - The US bond market is the world's largest and most liquid fixed - income market, with a stock of about 40% of the global total as of 2024, and its interest rate serves as the global pricing anchor. The US bond market has a complete variety system, with Treasury bonds playing a dominant role. It has a mature operating mechanism, clear liquidity stratification, and a perfect rating system. There are differences between the Chinese and US bond markets in terms of market complexity, institutional behavior, and regulatory intensity [5][8]. 3. Summary According to the Directory 3.1 US Bond Market Overview - Scale and Status: The US bond market is the world's largest, most liquid, and most dominant fixed - income market. As of 2024, the US fixed - income securities stock accounts for about 40% of the global bond market, and its interest rate is the global asset pricing anchor [21]. - Bond Category Distribution: The US bond market has a complete and well - structured variety system. It can be classified from multiple dimensions such as issuer, term structure, interest rate form, and credit rating. Treasury bonds have the largest stock, accounting for half of the market. Corporate bonds and MBS have steadily increased in volume, while municipal bonds, federal agency bonds, and ABS play a more structural supplementary role [23][25]. - Term and Yield Distribution: Different bond types have significant differences in terms of term and yield. Municipal bonds and MBS are mainly long - term bonds. Treasury bonds are mainly medium - term, with medium - term Treasury bonds accounting for the highest proportion. High - yield corporate bonds have the highest interest rate level, and different types of bonds' interest rates show cyclical fluctuations [31][33][37]. 3.2 Core Operating Mechanisms and Key Infrastructure of the US Bond Market - Primary Market Issuance: It operates under a registration system framework. There are exemption issuance systems such as Rule 144A and Regulation S. Underwriters play a key role in the issuance process, and the book - building process is used to determine the issue price. Different bond markets have their own core systems [40][42][43]. - Core Operating Center: Primary Dealer System: Primary dealers are key partners of the Federal Reserve in implementing monetary policy. They ensure the smooth issuance of Treasury bonds, maintain market liquidity, and act as the Fed's counterparties for policy transmission [47]. - Secondary Market Trading: The secondary market is mainly over - the - counter (OTC) and uses electronic trading platforms. The TRACE system enhances market transparency by providing real - time transaction data [49][50]. - Clearing and Settlement: The US bond market depends on the DTCC. The FICC under the DTCC provides central counterparty clearing, and the DTC is responsible for securities custody and final settlement [55]. 3.3 Bond Ratings: Multi - Dimensional Assessment of Credit, ESG, and Information Disclosure - Credit Rating: Three major rating agencies, S&P Global Ratings, Moody's, and Fitch Ratings, establish a unified credit - stratification framework for the US bond market [68]. - ESG Rating: Three mainstream international evaluation systems, Morningstar Sustainalytics ESG risk rating, MSCI rating, and LSEG ESG score, are used to describe ESG risks and performance from different perspectives [73]. - Information Disclosure: The information disclosure system in the US bond market is well - structured and clearly stratified. Different bond types have different disclosure rules [77]. - Default Situation: The default rates of different bond types vary significantly. Corporate bonds have the highest default rate, while US Treasury bonds and agency bonds have the lowest [80]. 3.4 Differences between Chinese and US Bond Markets - Market Complexity: The US bond market has more diverse varieties and more complex trading mechanisms, with both OTC and electronic platforms. The Chinese bond market has a relatively concentrated structure and clearer market levels and trading patterns [86]. - Institutional Behavior: Both markets are dominated by institutional investors. However, US institutional investors have more diverse strategies and more common active trading and hedging behaviors, while Chinese institutional investors mainly focus on allocation - based and stable investments [89]. - Regulatory Intensity: Both countries attach great importance to the bond market, but the US adopts a multi - regulatory - agency division of labor and a market - rule - based regulatory model, while China's regulatory system is relatively centralized, with more prominent policy coordination and administrative guidance [91].