几乎所有因素都“利好”，美国债市有望创2020年以来“最佳表现”

Core Viewpoint - The U.S. bond market is experiencing its best performance since 2020, driven by multiple favorable factors including Federal Reserve rate cuts, moderate economic slowdown, and easing inflation pressures [1][2]. Group 1: Market Performance - The Bloomberg U.S. Aggregate Bond Index has achieved a return of approximately 6.7% year-to-date, marking a potential best annual performance since 2020 [1]. - The 10-year U.S. Treasury yield has decreased by nearly 0.5 percentage points this year, closing at 4.149% last Friday [3]. Group 2: Federal Reserve Actions - The Federal Reserve's rate cuts have become the core driver of the bond market's rise, as bonds issued at higher rates become more valuable when market expectations shift towards lower rates [2]. - The labor market cooling has prompted the Federal Reserve to cut rates twice this year, with the possibility of further cuts [2]. Group 3: Economic Concerns - Despite concerns over the U.S. budget deficit impacting yields, the decline in interest rates has largely overshadowed these worries [6]. - The U.S. budget deficit for fiscal year 2025 is projected at $1.8 trillion, remaining stable compared to 2024, which could pose future challenges for the bond market [9]. Group 4: Investor Sentiment - Investors are optimistic about the continuation of favorable conditions, believing that despite rising uncertainties, there is still room for further rate declines [9]. - The additional yield spread of investment-grade corporate bonds relative to Treasuries fell to 0.72 percentage points in September, the lowest since the late 1990s, indicating potential overvaluation in the corporate bond market [8].