证券研究报告 | 2026年03月01日 超长债周报 30 年国债冲高回落 核心观点 固定收益周报 超长债复盘：春节假期出行人数创新高，节后第一周"沪七条"发布，A 股继续反弹，债市先抑后扬，超长债再度下跌。成交方面，上周超长债 交投活跃度大幅下降，交投非常活跃。利差方面，上周超长债期限利差 缩窄，品种利差缩窄。 超长债投资展望： 30 年国债：截至 2 月 27 日，30 年国债和 10 年国债利差为 44BP，处于 历史偏低水平。从国内经济数据来看，12 月经济下行压力有所缓解。我 们测算的 12 月国内 GDP 同比增速约 4.5%，增速较 11 月回升 0.4%。通 胀方面，1 月 CPI 为 0.2%，PPI 为-1.4%，通缩风险继续缓解。我们认为， 3 月债市先抑后扬。一方面，2024 年四季度以来的经济企稳，主要来自 于中央加杠杆的托底。2025 年四季度无增发国债，短期政府托底经济力 度减弱，2025 年四季度 GDP 增速已经回落到了后疫情时代最低水平，我 国经济依然承压。同时从中央经济工作会议和政治局会议来看，2026 年 党中央更加重视高质量发展，经济总量"稳中求进"的重要性次序有所 ...

1. Report Industry Investment Rating No information provided. 2. Core Viewpoints - Last week, the 1 - month PMI dropped significantly to 49.3, the central bank's treasury bond trading in January increased to 100 billion, precious metals and A - shares fluctuated greatly, the bond market rose sharply again, and the ultra - long bond yield reached a recent low. The trading activity of ultra - long bonds increased significantly, the term spread narrowed, and the variety spread widened [1][4][12]. - For the 30 - year treasury bond, as of February 6, the spread between the 30 - year and 10 - year treasury bonds was 44BP, at a relatively low historical level. For the 20 - year CDB bond, the spread between the 20 - year CDB bond and 20 - year treasury bond was 14BP, at an extremely low historical position. The probability of a near - term bond market correction is high due to factors such as weakened government support and the stock - bond seesaw effect. The 30 - 10 spread is expected to fluctuate at a high level in the short term, and the variety spread of the 20 - year CDB bond is expected to continue to fluctuate narrowly [2][3][13]. 3. Summary by Directory 3.1 Weekly Review 3.1.1 Ultra - long Bond Review - The 1 - month PMI in January dropped to 49.3, the central bank's treasury bond trading increased to 100 billion, precious metals and A - shares fluctuated, the bond market rose, and the ultra - long bond yield reached a recent low. Trading was very active, the term spread narrowed, and the variety spread widened [1][4][12]. 3.1.2 Ultra - long Bond Investment Outlook - **30 - year Treasury Bond**: As of February 6, the spread was 44BP. The economy's downward pressure eased in December, with a GDP growth rate of about 4.5%, up 0.4% from November. CPI was 0.8% and PPI was - 1.9% in December. The bond market is likely to correct due to weakened government support and the stock - bond seesaw effect. The 30 - 10 spread is expected to fluctuate at a high level [2][13]. - **20 - year CDB Bond**: As of February 6, the spread was 14BP. Similar economic data as the 30 - year treasury bond. The bond market is likely to correct, and the variety spread is expected to fluctuate narrowly [3][14]. 3.1.3 Ultra - long Bond Basic Overview - The balance of outstanding ultra - long bonds was 24.8 trillion. By variety, local government bonds and treasury bonds were the main ones. By remaining term, the 30 - year variety had the highest proportion [15]. 3.2 Primary Market 3.2.1 Weekly Issuance - Last week (February 2 - 6, 2026), the issuance of ultra - long bonds soared to 321.9 billion yuan. By variety, local government bonds accounted for the largest share. By term, 30 - year bonds had the largest issuance [20]. 3.2.2 This Week's Scheduled Issuance - The announced issuance plan for this week is 159.7 billion yuan, mainly ultra - long local government bonds [24]. 3.3 Secondary Market 3.3.1 Trading Volume - Last week, the trading of ultra - long bonds was very active, with a turnover of 1064.4 billion yuan, accounting for 12.2% of all bond turnovers. Compared with the previous week, the turnover and proportion increased [27]. 3.3.2 Yield - The ultra - long bond yield reached a recent low. Yields of different - term treasury bonds, CDB bonds, local bonds, and railway bonds changed. Representative individual bonds also had yield changes [35][36]. 3.3.3 Spread Analysis - **Term Spread**: It narrowed last week, with the 30 - year - 10 - year treasury bond spread at 44BP, down 2BP from the previous week, at the 31st percentile since 2010 [44]. - **Variety Spread**: It widened last week. The 20 - year CDB bond - treasury bond spread was 14BP, and the 20 - year railway bond - treasury bond spread was 21BP, at the 12th and 16th percentiles since 2010 respectively [48]. 3.4 30 - year Treasury Bond Futures - Last week, the main 30 - year treasury bond futures contract TL2603 closed at 112.57 yuan, up 0.58%. The total trading volume was 503,700 lots (76,441 lots), and the open interest was 117,600 lots (- 17,239 lots). The trading volume increased slightly, and the open interest decreased slightly [51].

Report Industry Investment Rating - Not mentioned in the provided content Core Viewpoints - The bond market rebounded slightly last week due to the central bank's 900 billion yuan 6 - month repurchase operation, a 25BP reduction in the structural monetary policy tool rate, good December import - export growth, weak December financial data, consecutive negative growth in household loans for three months, and the A - share market correction [1][4][11][39] - The current bond market is more likely to fluctuate. The economic stabilization since Q4 2024 was mainly due to central government leverage. With no additional treasury bond issuance in Q4 2025 and the decline in government bond financing growth, the domestic economy in Q4 remains under pressure. Also, in 2026, the Party Central Committee emphasizes high - quality development more, and the importance of "seeking progress while maintaining stability" in economic aggregates has decreased. Additionally, the absolute interest rate level is low, there is heavy selling pressure in treasury bond futures, and investor sentiment is generally weak [2][3][12][13] - The 30 - 10 spread of treasury bonds reached a new high this week and is expected to fluctuate at a high level in the near term. The spread of 20 - year CDB bonds is expected to fluctuate narrowly [2][3][12][13] Summary by Directory Weekly Review Long - term Bond Review - The central bank conducted a 900 billion yuan 6 - month repurchase operation and reduced the structural monetary policy tool rate by 25BP. December import - export growth was good, but December financial data was weak, with household loans in negative growth for the third consecutive month. Along with the A - share correction, the bond market rebounded slightly. The trading activity of long - term bonds decreased slightly last week but was still very active. The term spread and variety spread of long - term bonds widened [1][4][11] Long - term Bond Investment Outlook - **30 - year Treasury Bonds**: As of January 16, the spread between 30 - year and 10 - year treasury bonds was 46BP, at a historically low level. Considering economic and policy factors, the bond market is likely to fluctuate, and the 30 - 10 spread is expected to fluctuate at a high level [2][12] - **20 - year CDB Bonds**: As of January 16, the spread between 20 - year CDB bonds and 20 - year treasury bonds was 15BP, at a historically extremely low level. Given the economic situation, the bond market is likely to fluctuate, and the variety spread of 20 - year CDB bonds is expected to fluctuate narrowly [3][13] Long - term Bond Basic Overview - The balance of outstanding long - term bonds is 24.3 trillion yuan. As of December 31, the total amount of long - term bonds with a remaining maturity of over 14 years was 24.4329 trillion yuan, accounting for 15.1% of the total bond balance. Local government bonds and treasury bonds are the main varieties. In terms of remaining maturity, the 30 - year variety has the highest proportion [14] Primary Market Weekly Issuance - Last week (January 12 - 16, 2026), the issuance of long - term bonds dropped sharply to 83.7 billion yuan. By variety, treasury bonds were 32 billion yuan, local government bonds were 51.7 billion yuan, and other varieties had zero issuance. By term, the 30 - year variety had the largest issuance [19] This Week's Planned Issuance - The announced long - term bond issuance plan for this week is 102.2 billion yuan, including 10.12 billion yuan of long - term local government bonds and 1 billion yuan of long - term medium - term notes [25] Secondary Market Trading Volume - Last week, long - term bonds were very actively traded, with a turnover of 879.5 billion yuan, accounting for 9.7% of the total bond turnover. The trading activity decreased slightly compared to the previous week, with a decrease in turnover and proportion in most varieties, except for an increase in long - term local government bonds and long - term government agency bonds [27][28] Yield - Due to various factors, the bond market rebounded slightly. The yields of 15 - year, 20 - year, 30 - year, and 50 - year treasury bonds, CDB bonds, local bonds, and railway bonds changed to different extents. Representative individual bonds also had corresponding yield changes [39][40] Spread Analysis - **Term Spread**: The term spread of long - term bonds widened last week, with an absolute low level. The 30 - 10 spread of benchmark treasury bonds was 46BP, a 4BP change from the previous week, at the 35th percentile since 2010 [46] - **Variety Spread**: The variety spread of long - term bonds widened last week, with an absolute low level. The spreads between 20 - year CDB bonds and treasury bonds, and 20 - year railway bonds and treasury bonds were 15BP and 20BP respectively, with changes of 1BP and 2BP from the previous week, at the 14th and 20th percentiles since 2010 [47] 30 - year Treasury Bond Futures - Last week, the main contract of 30 - year treasury bond futures, TL2603, closed at 111.16 yuan, an increase of 0.26%. The total trading volume was 542,700 lots (- 18,010 lots), and the open interest was 140,000 lots (- 8,274 lots). Both trading volume and open interest decreased slightly compared to the previous week [52]

1. Report Industry Investment Rating - No industry investment rating information is provided in the report. 2. Core Viewpoints of the Report - The long - term bond market is more likely to fluctuate. For 30 - year treasury bonds and 20 - year CDB bonds, considering factors such as economic pressure in Q4 2026, the central government's emphasis on high - quality development, low interest rates, market desensitization to positive factors, and large selling pressure in treasury bond futures, the bond market is expected to fluctuate. The 30 - 10 spread of 30 - year treasury bonds is expected to fluctuate at a high level, and the spread of 20 - year CDB bonds is expected to fluctuate narrowly [2][3]. - Last week, long - term bonds tumbled again. The yield of long - term varieties increased due to the mention of expanding fiscal expenditure at the fiscal work conference and the rebound of the manufacturing PMI in December. The trading activity of long - term bonds changed little but was very active. The term spread widened, and the variety spread narrowed [1][4]. 3. Summary by Relevant Catalogs Weekly Review Long - term Bond Review - Last week, long - term bonds tumbled again. The yield of long - term varieties increased as the fiscal work conference mentioned expanding fiscal expenditure and the manufacturing PMI in December rebounded 0.9 to 50.1, returning to the boom - bust line for the first time since April. In terms of trading, the trading activity of long - term bonds changed little but was very active. The term spread widened, and the variety spread narrowed [1][4]. Long - term Bond Investment Outlook - **30 - year Treasury Bonds**: As of December 31, the spread between 30 - year and 10 - year treasury bonds was 40BP, at a historically low level. In November, the economic downward pressure continued to increase, with the estimated GDP growth rate of about 4.1%, a 0.1% decline from October. The deflation risk eased with CPI at 0.7% and PPI at - 2.2%. The bond market is more likely to fluctuate. The economic stabilization since Q4 last year was mainly due to central government leverage. Without additional treasury bond issuance in Q4 2026, the government bond financing growth rate is expected to decline rapidly, and the economy will still face pressure. The central government attaches more importance to high - quality development in 2026. Also, the absolute level of interest rates is low, the market is desensitized to positive factors, and the selling pressure of treasury bond futures is large. The 30 - 10 spread is expected to fluctuate at a high level [2]. - **20 - year CDB Bonds**: As of December 31, the spread between 20 - year CDB bonds and 20 - year treasury bonds was 16BP, at a historically extremely low level. The economic situation in November was similar to that of 30 - year treasury bonds. The bond market is more likely to fluctuate. Considering the short - term bond market fluctuation, the variety spread of 20 - year CDB bonds is expected to fluctuate narrowly [3]. Long - term Bond Basic Overview - The balance of long - term bonds is 24.4 trillion. As of December 31, long - term bonds with a remaining term of over 14 years totaled 244,329 billion, accounting for 15.1% of all bonds. Local government bonds and treasury bonds are the main varieties. By variety, treasury bonds accounted for 28.2%, local government bonds 66.4%, etc. By remaining term, the 25 - 35 - year variety accounted for the highest proportion at 40.2% [13]. Primary Market Weekly Issuance - Last week, there was no issuance of long - term bonds. Compared with the week before last, the total issuance volume decreased significantly. By variety and term, the issuance volume was all 0 [18]. This Week's Pending Issuance - The announced long - term bond issuance plan this week totals 929 billion, all of which are long - term local government bonds [20]. Secondary Market Trading Volume - Last week, the trading of long - term bonds was very active, with a turnover of 4,075 billion, accounting for 11.1% of all bonds. By variety, the turnover and proportion of different types of long - term bonds are as follows: long - term treasury bonds accounted for 35.1% of all treasury bonds, long - term local bonds 50.1% of all local bonds, etc. The trading activity decreased. Compared with the week before last, the turnover and proportion of long - term bonds changed: the turnover decreased by 1,607 billion, and the proportion decreased by 1.0%. The turnover and proportion of different types of long - term bonds also changed accordingly [23]. Yield - Last week, long - term bonds tumbled again. The yield of long - term varieties increased. For treasury bonds, the yields of 15 - year, 20 - year, 30 - year, and 50 - year bonds changed by 2BP, 4BP, 4BP, and 4BP to 2.14%, 2.25%, 2.27%, and 2.48% respectively. Similar changes occurred in CDB bonds, local bonds, and railway bonds. For representative individual bonds, the yield of the 30 - year treasury bond active bond 25 extra - long special treasury bond 02 changed by 4.35BP to 2.26%, and the yield of the 20 - year CDB bond active bond 21 CDB 20 changed by 5BP to 2.32% [32][37]. Spread Analysis - **Term Spread**: Last week, the term spread of long - term bonds widened, and the absolute level was low. The 30 - 10 spread of benchmark treasury bonds was 40BP, a 2BP change from the week before last, at the 27% quantile since 2010 [43]. - **Variety Spread**: Last week, the variety spread of long - term bonds narrowed, and the absolute level was low. The spreads between the benchmark 20 - year CDB bonds and treasury bonds, and 20 - year railway bonds and treasury bonds were 16BP and 16BP respectively, with changes of 0BP and - 4BP from the week before last, at the 13% and 11% quantiles since 2010 [44]. 30 - year Treasury Bond Futures - Last week, the main variety of 30 - year treasury bond futures, TL2603, closed at 111.41 yuan, a decrease of 1.37%. The total trading volume was 343,900 lots (- 216,035 lots), and the open interest was 142,100 lots (- 2,500 lots). The trading volume decreased significantly, and the open interest decreased slightly [48].

Group 1: Report Industry Investment Rating - No information provided Group 2: Core Views of the Report - Last week, the announced LPR rate remained unchanged. The central bank's fourth - quarter regular meeting mentioned enriching and improving the monetary policy toolbox, conducting treasury bond trading, and paying attention to changes in long - term yields. The A - share market rose sharply, the bond market continued to rebound, and ultra - long bonds rose slightly. The trading activity of ultra - long bonds decreased slightly last week but was still very active. The term spread and variety spread of ultra - long bonds narrowed last week [1][12][43]. - For the 30 - year treasury bond, as of December 26, the spread between the 30 - year and 10 - year treasury bonds was 39BP, at a historically low level. Considering economic data, the domestic economy was under pressure in November, and the GDP growth rate decreased. The deflation risk eased. The bond market is more likely to fluctuate. The 30 - 10 spread is expected to fluctuate at a high level recently [2][13]. - For the 20 - year CDB bond, as of December 26, the spread between the 20 - year CDB bond and the 20 - year treasury bond was 16BP, at a historically extremely low position. Given economic data and market conditions, the bond market is likely to fluctuate, and the variety spread of the 20 - year CDB bond is expected to fluctuate narrowly [3][14]. Group 3: Summary by Relevant Catalogs Weekly Review Ultra - long Bond Review - The LPR rate remained unchanged last week. The central bank's meeting remarks, A - share rise led to the bond market rebound and a slight increase in ultra - long bonds. Trading activity decreased slightly but was still active. Term and variety spreads of ultra - long bonds narrowed [1][12][43]. Ultra - long Bond Investment Outlook - 30 - year Treasury Bond: Low spread, economic pressure, deflation risk relief, expected high - level spread fluctuation [2][13]. - 20 - year CDB Bond: Extremely low spread, economic pressure, expected narrow spread fluctuation [3][14]. 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. The 30 - year variety has the highest proportion [15]. Primary Market Weekly Issuance - Last week, the issuance volume of ultra - long bonds dropped sharply. Only 12 billion yuan of 20 - year local government bonds were issued [20]. This Week's Pending Issuance - A total of 2 billion yuan of ultra - long local government bonds are planned to be issued this week [25]. Secondary Market Trading Volume - Last week, ultra - long bonds were very actively traded with a turnover of 1.1535 trillion yuan, accounting for 12.8% of the total bond turnover. The trading activity decreased slightly compared with the previous week [26][27]. Yield - Treasury bonds, CDB bonds, local bonds, and railway bonds' yields changed last week. Representative individual bonds' yields also changed [43][44]. Spread Analysis - Term Spread: Narrowed last week, with a low absolute level. The 30 - year - 10 - year treasury bond spread was 39BP, down 2BP from the previous week, at the 21% quantile since 2010 [53]. - Variety Spread: Narrowed last week, with a low absolute level. The spreads of the 20 - year CDB bond and railway bond against treasury bonds were 16BP and 19BP respectively, down 1BP from the previous week, at the 13% quantile since 2010 [54]. 30 - year Treasury Bond Futures - Last week, the main contract TL2603 of the 30 - year treasury bond futures closed at 112.96 yuan, an increase of 0.27%. The total trading volume was 560,000 lots (down 98,144 lots), and the open interest was 144,600 lots (up 2,655 lots) [60].

Report Industry Investment Rating - Not provided in the given content Core Viewpoints - Last week, after the release of November economic data, the contradiction between strong supply and weak demand in China was prominent, with both production and consumption continuing to decline, but prices showed signs of improvement. The bond market first declined and then rose, showing a small V-shaped trend, slightly warming up throughout the week, and the 30 - 10 Treasury spread narrowed slightly. The trading activity of ultra - long bonds decreased slightly last week, but overall trading was very active. The term spread of ultra - long bonds flattened, and the variety spread showed mixed changes [1][11][4]. - The current bond market is more likely to fluctuate. On one hand, the economic stabilization since the fourth quarter of last year mainly comes from the support of central government leveraging. Considering that there is no additional issuance of Treasury bonds in the fourth quarter of this year, it is expected that the financing growth rate of government bonds will decline rapidly in the fourth quarter, and the domestic economy will still be under pressure. On the other hand, the absolute level of interest rates is low, the market is desensitized to positive factors, and investors' sentiment is generally weak [2][3][12][13]. Summary by Relevant Catalogs Weekly Review - Ultra - long Bond Review - After the release of November economic data, the domestic bond market showed a small V - shaped trend and slightly warmed up, with the 30 - 10 Treasury spread narrowing slightly. The trading activity of ultra - long bonds decreased slightly but was still very active. The term spread flattened, and the variety spread showed mixed changes [1][11][4] Weekly Review - Ultra - long Bond Investment Outlook - **30 - year Treasury bonds**: As of December 19, the spread between 30 - year and 10 - year Treasury bonds was 41BP, at a relatively low historical level. The economic downward pressure in November continued to increase, with the estimated GDP growth rate in October at about 4.1%, a decline of 0.1% from October. The deflation risk has been alleviated. The bond market is likely to fluctuate, and the 30 - 10 spread is expected to fluctuate at a high level recently [2][12] - **20 - year CDB bonds**: As of December 19, the spread between 20 - year CDB bonds and 20 - year Treasury bonds was 17BP, at an extremely low historical position. Similar to the situation of 30 - year Treasury bonds, the bond market is likely to fluctuate, and the variety spread of 20 - year CDB bonds is expected to have narrow - range fluctuations [3][13] Weekly Review - Ultra - long Bond Basic Overview - The balance of outstanding ultra - long bonds is 24.3 trillion. As of November 30, the total amount of ultra - long bonds with a remaining term of more than 14 years was 243,416 billion, accounting for 15.1% of the total bond balance. Local government bonds and Treasury bonds are the main varieties. By remaining term, the 30 - year variety accounts for the highest proportion [14] Primary Market - Weekly Issuance - The issuance volume of ultra - long bonds dropped sharply last week (December 15 - 19, 2025), with a total issuance of 207 billion yuan. Compared with the previous week, the total issuance volume decreased significantly. By variety, local government bonds accounted for the largest share. By term, 30 - year bonds had the largest issuance volume [19] Primary Market - This Week's Scheduled Issuance - The announced issuance plan for ultra - long bonds this week is 12 billion yuan, all of which are ultra - long local government bonds [25] Secondary Market - Trading Volume - The trading of ultra - long bonds was very active last week, with a trading volume of 12,302 billion yuan, accounting for 14.1% of the total bond trading volume. The trading activity decreased slightly. The trading volume of ultra - long Treasury bonds increased, while that of ultra - long local bonds decreased [27] Secondary Market - Yield - After the release of November economic data, the bond market showed a small V - shaped trend and slightly warmed up, with the 30 - 10 Treasury spread narrowing slightly. The yields of different - term Treasury bonds, CDB bonds, local bonds, and railway bonds changed to varying degrees [38] Secondary Market - Spread Analysis - **Term spread**: The term spread of ultra - long bonds flattened last week, and the absolute level was low. The 30 - year - 10 - year Treasury spread was 41BP, unchanged from the previous week, at the 22% quantile since 2010 [48] - **Variety spread**: The variety spread of ultra - long bonds showed mixed changes last week, and the absolute level was low. The spreads between 20 - year CDB bonds and Treasury bonds, and between 20 - year railway bonds and Treasury bonds were 17BP and 20BP respectively, with changes of 2BP and - 2BP compared with the previous week, at the 14% and 15% quantiles since 2010 [50] 30 - year Treasury Bond Futures - Last week, the main contract TL2603 of the 30 - year Treasury bond futures closed at 112.66 yuan, with a 0.00% increase. The total trading volume was 658,100 lots (- 26,189 lots), and the open interest was 141,900 lots (- 718 lots). The trading volume decreased slightly, and the open interest decreased slightly [55]

Group 1: Report Industry Investment Rating - No relevant content found Group 2: Core Views of the Report - Last week, after the release of November economic data, the contradiction between strong supply and weak demand in China was prominent, with both production and consumption continuing to decline, but prices showed signs of improvement. The bond market first declined and then rose, showing a small V-shaped trend, slightly recovering throughout the week, and the 30 - 10 Treasury spread narrowed slightly. The trading activity of ultra - long bonds decreased slightly last week, but overall trading was very active. The term spread of ultra - long bonds remained flat, and the variety spread showed mixed changes [1][4][11][38]. - As of December 19, the spread between 30 - year Treasury bonds and 10 - year Treasury bonds was 41BP, at a historically low level. The spread between 20 - year China Development Bank bonds and 20 - year Treasury bonds was 17BP, at a historically extremely low position. The current bond market is more likely to fluctuate. The 30 - 10 spread冲高 slightly declined this week, and it is expected to fluctuate at a high level in the near future. The variety spread of 20 - year China Development Bank bonds is also expected to fluctuate narrowly [2][3][12][13]. Group 3: Summary by Relevant Catalogs Weekly Review Ultra - long Bond Review - After the release of November economic data last week, the bond market first declined and then rose, slightly recovering throughout the week, with the 30 - 10 Treasury spread narrowing slightly. The trading activity of ultra - long bonds decreased slightly, but overall trading was very active. The term spread of ultra - long bonds remained flat, and the variety spread showed mixed changes [1][4][11]. Ultra - long Bond Investment Outlook - **30 - year Treasury Bonds**: As of December 19, the spread was 41BP, at a historically low level. In November, the economic downward pressure continued to increase. The estimated GDP growth rate in October was about 4.1% year - on - year, a 0.1% decline from October. The deflation risk was alleviated. The bond market is more likely to fluctuate. The 30 - 10 spread is expected to fluctuate at a high level in the near future [2][12]. - **20 - year China Development Bank Bonds**: As of December 19, the spread was 17BP, at a historically extremely low position. The economic situation and bond market analysis are similar to those of 30 - year Treasury bonds. The variety spread of 20 - year China Development Bank bonds is expected to fluctuate narrowly [3][13]. Ultra - long Bond Basic Overview - The balance of outstanding ultra - long bonds was 24.3 trillion. As of November 30, the total amount of ultra - long bonds with a remaining maturity of more than 14 years was 24,341.6 billion, accounting for 15.1% of the total bond balance. Local government bonds and Treasury bonds were the main varieties. The 30 - year variety had the highest proportion [14]. Primary Market Weekly Issuance - Last week (December 15 - 19, 2025), the issuance of ultra - long bonds dropped sharply, with a total of 207 million yuan issued. Compared with the previous week, the total issuance decreased significantly. In terms of varieties, local government bonds accounted for the majority. In terms of terms, 15 - year, 20 - year, and 30 - year bonds were issued [19]. This Week's Pending Issuance - The announced issuance plan for ultra - long bonds this week is 120 million yuan, all of which are ultra - long local government bonds [25]. Secondary Market Trading Volume - Last week, the trading of ultra - long bonds was very active, with a trading volume of 123.02 billion yuan, accounting for 14.1% of the total bond trading volume. The trading activity decreased slightly. The trading volume and proportion of different varieties changed differently [27]. Yield - After the release of November economic data last week, the bond market showed a small V - shaped trend. The 30 - 10 Treasury spread narrowed slightly. The yields of Treasury bonds, China Development Bank bonds, local bonds, and railway bonds of different terms changed to different extents [38]. Spread Analysis - **Term Spread**: Last week, the term spread of ultra - long bonds remained flat, with an absolute low level. The 30 - year - 10 - year Treasury spread was 41BP, unchanged from the previous week, at the 22% quantile since 2010 [48]. - **Variety Spread**: Last week, the variety spread of ultra - long bonds showed mixed changes, with an absolute low level. The spreads between 20 - year China Development Bank bonds and Treasury bonds, and between 20 - year railway bonds and Treasury bonds were 17BP and 20BP respectively, with changes of 2BP and - 2BP from the previous week, at the 14% and 15% quantiles since 2010 [50]. 30 - year Treasury Bond Futures - Last week, the main contract of 30 - year Treasury bond futures, TL2603, closed at 112.66 yuan, with a 0.00% increase. The total trading volume was 658,100 lots (- 26,189 lots), and the open interest was 141,900 lots (- 718 lots). The trading volume decreased slightly compared with the previous week, and the open interest decreased slightly [55].

Report Industry Investment Rating No relevant content provided. Core Viewpoints of the Report - Last week, after the release of November economic data, the contradiction between strong supply and weak demand in China was prominent, with both production and consumption continuing to decline, but prices showed signs of improvement. The bond market first declined and then rose, showing a small V-shaped trend, slightly recovering throughout the week, and the 30 - 10 Treasury bond spread narrowed slightly [1][4][11][38]. - The trading activity of ultra - long bonds decreased slightly last week, but overall trading was very active. The term spread of ultra - long bonds remained flat, and the variety spread showed mixed trends [1][4][11]. - As of December 19, the spread between 30 - year Treasury bonds and 10 - year Treasury bonds was 41BP, at a historically low level. The spread between 20 - year China Development Bank bonds and 20 - year Treasury bonds was 17BP, at a historically extremely low position. The bond market is more likely to fluctuate currently. It is expected that the 30 - 10 spread will mainly fluctuate at a high level in the near term, and the variety spread of 20 - year China Development Bank bonds will also fluctuate in a narrow range [2][3][12][13]. Summary by Relevant Catalogs Weekly Review Ultra - long Bond Review - After the release of November economic data last week, the bond market first declined and then rose, slightly recovering throughout the week, and the 30 - 10 Treasury bond spread narrowed slightly. The trading activity of ultra - long bonds decreased slightly, but overall trading was very active. The term spread of ultra - long bonds remained flat, and the variety spread showed mixed trends [1][4][11]. Ultra - long Bond Investment Outlook - **30 - year Treasury Bonds**: As of December 19, the spread was 41BP, at a historically low level. The economic downward pressure increased in November. The estimated GDP growth rate in October was about 4.1% year - on - year, a 0.1% decline from October. The deflation risk eased in November. The bond market is more likely to fluctuate. It is expected that the 30 - 10 spread will mainly fluctuate at a high level in the near term [2][12]. - **20 - year China Development Bank Bonds**: As of December 19, the spread was 17BP, at a historically extremely low position. The economic situation was similar to that of 30 - year Treasury bonds. It is expected that the variety spread of 20 - year China Development Bank bonds will fluctuate in a narrow range [3][13]. Ultra - long Bond Basic Overview - The balance of outstanding ultra - long bonds was 24.3 trillion. As of November 30, ultra - long bonds with a remaining term of over 14 years totaled 243,416 billion, accounting for 15.1% of the total bond balance. Local government bonds and Treasury bonds were the main varieties. By remaining term, the 30 - year variety had the highest proportion [14]. Primary Market Weekly Issuance - The issuance volume of ultra - long bonds dropped sharply last week (December 15 - 19, 2025), totaling 207 million yuan. Compared with the previous week, the total issuance volume decreased significantly. By variety, local government bonds accounted for 203 million yuan, and corporate bonds accounted for 4 million yuan. By term, 15 - year bonds were 74 million yuan, 20 - year bonds were 31 million yuan, and 30 - year bonds were 102 million yuan [19]. This Week's Planned Issuance - The announced issuance plan for ultra - long bonds this week totals 12 million yuan, all of which are ultra - long local government bonds [25]. Secondary Market Trading Volume - The trading of ultra - long bonds was very active last week. The trading volume was 1,230.2 billion yuan, accounting for 14.1% of the total bond trading volume. The trading activity decreased slightly. Compared with the previous week, the trading volume increased by 95.6 billion yuan, and the proportion decreased by 0.5% [27]. Yield - After the release of November economic data last week, the bond market showed a small V - shaped trend and slightly recovered. The 30 - 10 Treasury bond spread narrowed slightly. The yields of Treasury bonds, China Development Bank bonds, local bonds, and railway bonds of different terms changed to varying degrees [38]. Spread Analysis - **Term Spread**: The term spread of ultra - long bonds remained flat last week, with an absolute low level. The 30 - year - 10 - year Treasury bond spread was 41BP, unchanged from the previous week, at the 22% quantile since 2010 [48]. - **Variety Spread**: The variety spread of ultra - long bonds showed mixed trends last week, with an absolute low level. The spreads between 20 - year China Development Bank bonds and Treasury bonds and between 20 - year railway bonds and Treasury bonds were 17BP and 20BP respectively, changing by 2BP and - 2BP from the previous week, at the 14% and 15% quantiles since 2010 [50]. 30 - year Treasury Bond Futures - Last week, the main variety of 30 - year Treasury bond futures, TL2603, closed at 112.66 yuan, with a 0.00% increase. The total trading volume was 658,100 lots (- 26,189 lots), and the open interest was 141,900 lots (- 718 lots). Both the trading volume and open interest decreased slightly compared with the previous week [55].

1. Report Industry Investment Rating No relevant content provided. 2. Core Viewpoints of the Report - Since November, the "stock - bond double - fall" and "stock - bond double - rise" phenomena have frequently occurred, and the yield curve has steepened. The traditional stock - bond seesaw has failed periodically due to changes in loose expectations and institutional behavior [1][9]. - The market's loose expectations have eased, and the growth rate of broad liquidity has declined. The market's expectation of further monetary policy easing next year is not strong. Institutions are taking profits on equity floating gains at the end of the year, and the bond market's ability to hedge equity fluctuations is poor [1][2][9]. - Fundamentally, the economic growth momentum in November was still weak, with some improvement in external demand and inflation but continued drag from domestic demand. However, the bond market was insensitive to fundamental positives. The bond market is expected to remain in an oscillating range, and it is recommended to focus on the coupon strategy at the end of the year [2][10]. 3. Summary According to Relevant Catalogs I. Review Summary and Bond Market Outlook - This week, bond market sentiment was volatile, with institutional behavior dominating the market. The yields of 10Y and 30Y Treasury bonds decreased by 1bp and 2bp respectively. The bond market is expected to be affected by the unimplemented public fund fee reform and the performance of the equity market, maintaining an oscillating range [8][10]. II. Bond Market Review 2.1 Funding Situation - The central bank had a net injection, and funding rates remained stable at a low level. This week, the central bank's net open - market injection was 190 billion yuan. Next week, the maturity volume is less than the previous week [12][14]. 2.2 Secondary Market Trends - Yields first rose and then fell. The yields of key - term Treasury bonds decreased, and most key - term Treasury bond spreads widened. The spread between 10Y and 30Y Treasury bonds decreased by 1bp to 39bp, at a high historical percentile [22]. 2.3 Bond Market Sentiment - The inter - bank leverage ratio continued to rise to 108.0%, and the exchange leverage ratio rose to 123.3%. The median duration of medium - and long - term pure - bond funds decreased slightly, and the implied tax rate of 10 - year CDB bonds narrowed [33]. 2.4 Bond Supply - This week, the net financing of interest - rate bonds decreased by 383.4 billion yuan compared with last week. Treasury bonds, local government bonds, and policy - bank bonds all saw a decline in net financing. Next week, a 7Y Treasury bond will be newly issued, and the planned issuance scale of local government bonds will decrease [45][49]. III. Economic Data - In November, industrial growth slowed slightly, and investment and consumption demand weakened. Since December, second - hand housing transactions and automobile consumption have recovered. Industrial production performance remains divided [56]. IV. Overseas Bond Markets - US inflation data was unexpectedly lower than expected, increasing the probability of a Fed rate cut in March next year. The Bank of Japan raised interest rates by 25 basis points. US bonds rose, and the Japanese bond market fell [64][65]. V. Major Asset Classes - The CSI 300 index adjusted slightly this week. The Nanhua Rebar Index and Shanghai gold rose, while the Nanhua Crude Oil Index weakened. The performance of major asset classes was: rebar > Shanghai gold > convertible bonds > US dollar > Chinese - funded US dollar bonds > Chinese bonds > live pigs > CSI 300 > CSI 1000 > Shanghai copper > crude oil [69]. VI. Policy Review - Multiple policies were introduced this week, including the State Council's deployment of implementing the decisions of the Central Economic Work Conference, the opening of the Shanghai Stock Exchange's bond repurchase business to overseas institutional investors, the public consultation on the "Insurance Company Asset - Liability Management Measures", the proposal of ideas for expanding effective investment in the "14th Five - Year Plan", and the deployment of the CSRC and Shenzhen Financial Office [72][74][75].

上周国内权益市场延续高位震荡走势，万得全A周涨幅在0.2%附近，其中周一和周五的成交额有所放 大，再度回到两万亿元以上，市场热点集中在部分题材板块。从行业来看，通信、军工、电子涨幅较 大，而传统板块煤炭、石油石化和纺织服装跌幅较大。 备受投资者瞩目的中央经济工作会议在上周召开，会议总结2025年经济工作，分析当前经济形势，部署 2026年经济工作。泓德基金表示，2026年是"十五五"规划开局之年，做好经济工作至关重要，"五个必 须"既对以往经济实践作出了深刻精辟的总结，也为做好当前和今后一个时期的经济工作提供了思想指 引和行动指南。 12月8日，海关总署公布数据显示，中国11月出口（以美元计价）同比增5.9%，前值下降1.1%；进口增 长1.9%，前值增1%；贸易顺差1116.8亿美元，前值900.7亿美元。泓德基金分析指出，随着节日效应和 高基数影响回落，11月出口数据保持韧性。从1-11月累计来看，今年以来出口同比增长5.4%（2024年同 比增长5.8%），虽然2025年以来我国面临美国新一轮关税冲击的挑战，但是出口表现颇具韧性，一是 转出口贸易提振，二是我国产品竞争力较强，出口强劲是今年我国经济的一大 ...