TL 放量大跌：超长债周报-20251130

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - Last week, the A - share market rebounded continuously. Vanke's debt extension dragged down the bond market sentiment. On Friday, rumors that the six major banks stopped selling five - year large - value certificates of deposit and cut the interest rates of three - year deposit products led to an increase in domestic interest - rate cut expectations, causing a slight rebound in the bond market. Overall, the bond market first declined and then rebounded, while ultra - long bonds continued to fall. The trading activity of ultra - long bonds remained stable and was very active. The term spread of ultra - long bonds remained flat, and the variety spread narrowed [1][3][11]. - For the 30 - year treasury bond, as of November 30, the spread between the 30 - year and 10 - year treasury bonds was 34BP, at a historically low level. Considering the economic data and other factors, the bond market is more likely to fluctuate at a low level, and the spread repair between the 30 - year and 10 - year bonds is expected to end [2][12]. - For the 20 - year CDB bond, as of November 30, the spread between the 20 - year CDB bond and the 20 - year treasury bond was 12BP, at a historically extremely low level. Given the economic situation, the bond market is likely to fluctuate at a low level, and the variety spread of the 20 - year CDB bond is expected to have narrow - range fluctuations [3][13]. 3. Summary by Relevant Catalogs 3.1 Weekly Review 3.1.1 Ultra - long Bond Review - The A - share market rebounded continuously last week. Vanke's debt extension affected the bond market sentiment. The rumor of banks' deposit - product adjustments on Friday led to a slight rebound in the bond market. Ultra - long bonds continued to fall. Trading was active, with stable activity. The term spread remained flat, and the variety spread narrowed [1][11]. 3.1.2 Ultra - long Bond Investment Outlook - 30 - year Treasury Bond: The 30 - 10 spread is at a low level. In October, economic downward pressure increased, with GDP growth slowing and deflation risks. The bond market is likely to have low - level fluctuations, and the spread repair is expected to end [2][12]. - 20 - year CDB Bond: The 20 - year CDB - treasury spread is extremely low. Similar to the 30 - year situation, the bond market is likely to fluctuate at a low level, and the CDB bond variety spread is expected to have narrow - range fluctuations [3][13]. 3.1.3 Ultra - long Bond Basic Overview - The balance of outstanding ultra - long bonds is 24.3 trillion. Local government bonds and treasury bonds are the main varieties. By remaining maturity, the 30 - year variety has the highest proportion [14]. 3.2 Primary Market 3.2.1 Weekly Issuance - Last week, the issuance of ultra - long bonds increased significantly, reaching 173.5 billion yuan. By variety, local government bonds dominated. By term, 30 - year bonds had the largest issuance [19]. 3.2.2 This Week's Planned Issuance - The announced issuance plan for this week is 55.8 billion yuan, including 27 billion yuan of ultra - long treasury bonds and 28.8 billion yuan of ultra - long local government bonds [25]. 3.3 Secondary Market 3.3.1 Trading Volume - Last week, ultra - long bonds were actively traded, with a turnover of 913.6 billion yuan, accounting for 11.3% of all bonds. Compared with the previous week, the overall turnover decreased slightly, but there were different trends among varieties [27]. 3.3.2 Yield - The bond market first declined and then rebounded last week, and ultra - long bonds continued to fall. Yields of different - term bonds changed, and yields of representative individual bonds also changed [37][41]. 3.3.3 Spread Analysis - Term Spread: It remained flat last week, with an absolute low level. The 30 - 10 treasury bond spread was 34BP, unchanged from the previous week [48]. - Variety Spread: It narrowed last week, with an absolute low level. The 20 - year CDB - treasury spread was 12BP, and the 20 - year railway bond - treasury spread was 18BP [49]. 3.4 30 - year Treasury Bond Futures - Last week, the 30 - year treasury bond futures main contract TL2603 closed at 114.46 yuan, a decrease of 0.81%. Trading volume and open interest increased significantly compared with the previous week [54].