光大证券研究·2026-02-05 23:08Group 1 - The overall performance of medium to long-term credit bonds in January 2026 was better than that of short-term credit bonds, with significant yield declines observed in 3-15 year medium-term notes [4] - The insurance sector continued to play a major role in the allocation of medium to long-term credit bonds, focusing on 3-5 year and over 7-year maturities [4] - Fund managers increased their allocation to 3-5 year credit bonds due to the impact of the amortized cost method and the concentration of bond funds [4] Group 2 - Credit bond ETFs saw a significant increase in scale, exceeding 100 billion yuan in December 2025, but experienced a notable contraction in January 2026 due to market adjustments [5] - The relative excess yield of component bonds over non-component bonds increased, providing investment opportunities for stable institutional investors [5][6] - The policy environment continues to support the long-term healthy development of the ETF market, with expectations for a compression of excess yields in component bonds [7]