超长信用债探微跟踪：要追信用久期吗?

1. Report Industry Investment Rating No relevant information provided. 2. Core View This week, the long - term credit bond market showed a positive trend. The yield of ultra - long credit bonds significantly recovered, the subscription enthusiasm for new ultra - long credit bonds reached a high level, and the long - bond index performed well. However, the sustainability of the ultra - long credit bond market will be affected by factors such as the market's pricing of new redemption fees, the stability of fund liabilities, and the direction of incremental funds [3][4][5][6]. 3. Summary by Directory 3.1 Stock Market Characteristics - The yield of ultra - long credit bonds significantly recovered. From October 27 to 31, 2025, due to factors such as the switch between stock and bond preferences, the central bank's mention of "resuming open - market treasury bond trading operations", and stable capital interest rates, the yield of ultra - long credit bonds dropped significantly. The number of outstanding ultra - long credit bonds with a yield of 2.2% - 2.3% increased to 189 compared with last week [3][14]. 3.2 Primary Issuance Situation - The subscription enthusiasm for new ultra - long credit bonds reached a high level. This week, the total issuance scale of new ultra - long credit bonds was 6 billion, with a relatively low supply. The issuance terms were mainly concentrated in 7 - 10 years. Compared with last week, the average coupon rate of industrial bonds over 7 years decreased by nearly 20bp to 2.37%, and the interest rate of new ultra - long urban investment bonds also decreased by more than 10bp. Driven by the spot - bond market, the enthusiasm for primary - market allocation of long - term bonds continued to rise, and the indicator reached about the 80th percentile in the past 24 years [4][23]. 3.3 Secondary Trading Performance - Long - bond indices outperformed. This week, long - term bonds led the bond market rally. The weekly increase of the over - 10 - year treasury bond index reached 1.15%. The ultra - long credit bond index performed relatively well among mainstream credit assets, with the 7 - 10 - year AA+ credit bond index rising 0.74% [5][30]. - The number of ultra - long credit bond transactions did not reach the level from June to July. Although the ultra - long credit bonds had a good rally this week, and the number of transactions of the most active 7 - 10 - year industrial bonds reached a new high since August (346 transactions), the total number of transactions of general credit bonds over 7 years was still lower than the average weekly reading from June to July. Moreover, compared with ultra - long general credit bonds, the improvement in the allocation preference for ultra - long secondary capital bonds of large banks was relatively greater, and investors paid more attention to the liquidity of bond varieties when choosing long - term bonds [5][33]. - In line with the secondary - market trading performance, the spread of short - and medium - term credit bonds within 3 years returned to the lowest point of the year. To achieve excess returns, ultra - long credit bonds became the target for extending duration. This week, the extent of transactions below the valuation of this variety widened significantly, and the proportion of TKN transactions in the 7 - 10 - year period approached 80% [5][37]. - In terms of investor structure, funds showed a preference for buying ultra - long credit bonds for the first time since August, with a single - week increase of 1.4 billion in the 7 - 10 - year variety. In the past two weeks, the behavior of insurance and other product categories in holding ultra - long credit bonds was stable, possibly considering reserving assets in advance for next year [5][44].