超长债周报：国债买卖落地，超长债小跌-20251109

Report Industry Investment Rating No relevant content provided. Core View - The probability of a bond market rebound is high. For 30 - year Treasury bonds, the 30 - 10 spread is expected to compress periodically with the bond market rebound. For 20 - year CDB bonds, the variety spread is expected to compress again in the short term [2][3][11][12] Summary by Directory Weekly Review Ultra - long Bond Review - Last week, the central bank announced 20 billion yuan of Treasury bond transactions in October. The A - share market reached 4000 points again, the bond market had a slight correction, and ultra - long bonds declined slightly. The trading activity of ultra - long bonds increased slightly and was very active. The term spread and variety spread of ultra - long bonds narrowed [1][4][10] Ultra - long Bond Investment Outlook - 30 - year Treasury Bonds: As of November 7, the spread between 30 - year and 10 - year Treasury bonds was 34BP, at a historically low level. With economic downward pressure increasing in September, Q3 GDP at 4.8% year - on - year (down 0.4% from Q2), and deflation risks existing (September CPI at - 0.3% and PPI at - 2.3%), the bond market is likely to rebound. The 30 - 10 spread is expected to compress periodically [2][11] - 20 - year CDB Bonds: As of November 7, the spread between 20 - year CDB bonds and 20 - year Treasury bonds was 15BP, at a historically extremely low level. Considering the economic situation and central bank's actions, the bond market is likely to rebound, and the variety spread of 20 - year CDB bonds is expected to compress again in the short term [3][12] Ultra - long Bond Basic Overview - The balance of outstanding ultra - long bonds is 23.9 trillion yuan. As of October 31, the ultra - long bonds with a remaining term over 14 years totaled 23.9836 trillion yuan, accounting for 15.0% of all bonds. Local government bonds and Treasury bonds are the main varieties. By remaining term, the 30 - year variety has the highest proportion [13] Primary Market Weekly Issuance - Last week, the issuance volume of ultra - long bonds was small. From November 3 to 7, 2025, 6.29 billion yuan of ultra - long bonds were issued, a significant decrease compared with the previous week. By variety, Treasury bonds were 2 billion yuan, local government bonds were 4.14 billion yuan, etc. By term, 15 - year bonds were 0.86 billion yuan, 20 - year bonds were 2.01 billion yuan, etc. [19] This Week's Planned Issuance - The announced issuance plan for this week is 13.22 billion yuan, including 2.7 billion yuan of ultra - long Treasury bonds, 10.42 billion yuan of ultra - long local government bonds, and 0.1 billion yuan of ultra - long medium - term notes [25] Secondary Market Trading Volume - Last week, the trading of ultra - long bonds was very active. The trading volume was 1.0951 trillion yuan, accounting for 12.1% of all bonds. The trading activity increased slightly compared with the previous week. By variety, the trading volume of ultra - long Treasury bonds was 790.6 billion yuan, etc. [28] Yield - Last week, due to the central bank's announcement of Treasury bond transactions and the A - share market reaching 4000 points, the bond market had a slight correction and ultra - long bonds declined slightly. The yields of 15 - year, 20 - year, 30 - year, and 50 - year Treasury bonds changed by 3BP, 2BP, 2BP, and 3BP to 2.05%, 2.15%, 2.16%, and 2.23% respectively. Similar changes occurred in CDB bonds, local bonds, and railway bonds [34] Spread Analysis - Term Spread: Last week, the term spread of ultra - long bonds narrowed, and the absolute level was low. The spread between 30 - year and 10 - year Treasury bonds was 34BP, down 1BP from the previous week, at the 14% percentile since 2010 [41] - Variety Spread: Last week, the variety spread of ultra - long bonds narrowed, and the absolute level was low. The spread between 20 - year CDB bonds and Treasury bonds was 15BP, and the spread between 20 - year railway bonds and Treasury bonds was 17BP, with changes of 0BP and - 2BP respectively from the previous week, at the 12% percentile since 2010 [47] 30 - year Treasury Bond Futures - Last week, the main contract TL2512 of 30 - year Treasury bond futures closed at 115.95 yuan, a decrease of 0.63%. The total trading volume was 573,900 lots (down 104,798 lots), and the open interest was 180,600 lots (down 2,293 lots), with a significant decrease in trading volume and a slight decrease in open interest compared with the previous week [49]