超长债周报：中央经济工作会议召开，超长债波动剧烈-20251214

1. Report Industry Investment Rating No information about the report industry investment rating is provided in the content. 2. Core Viewpoints - The bond market is likely to fluctuate. The economic stabilization since Q4 last year was mainly due to central government leverage - up. With no additional treasury bond issuance this Q4, government bond financing growth is expected to decline rapidly, and the domestic economy will still face pressure. The Party Central Committee will focus more on high - quality development in 2026, and the importance of "seeking progress while maintaining stability" in economic aggregate has been adjusted down. Also, the absolute interest rate level is low, the market is desensitized to positive factors, and investor sentiment is weak recently [2][3][13] - For the 30 - year treasury bond, as of December 12, the spread between the 30 - year and 10 - year treasury bonds was 41BP, at a historically low level. The 30 - 10 spread has widened again this week, close to the October high, and is expected to face short - term pressure [2][13] - For the 20 - year CDB bond, as of December 12, the spread between the 20 - year CDB bond and the 20 - year treasury bond was 15BP, at a historically extremely low position. Considering the short - term bond market fluctuations, the spread of the 20 - year CDB bond is expected to fluctuate within a narrow range [3][14] 3. Summary by Directory 3.1 Super - long Bond Review - Last week, the Central Economic Work Conference and the Political Bureau Meeting were held. The policy intensity was generally lower than market expectations, the bond market rebounded from the bottom, but on Friday, the market worried about super - long bond supply, and the gains of the 30 - year treasury bond were quickly reversed. Overall, the bond market fluctuated greatly and slightly recovered [1][4][12] - Last week, the trading activity of super - long bonds slightly declined but remained very active. The term spread of super - long bonds flattened, and the variety spread widened [1][12] 3.2 Super - long Bond Investment Outlook - 30 - year Treasury Bond: The spread between the 30 - year and 10 - year treasury bonds was 41BP as of December 12, at a historically low level. The domestic economic data in October showed increased downward pressure, with the estimated GDP growth rate of about 4.2% year - on - year, a 1.1% decline from September. In November, CPI was 0.7% and PPI was - 2.2%, and the deflation risk was alleviated [2][13] - 20 - year CDB Bond: The spread between the 20 - year CDB bond and the 20 - year treasury bond was 15BP as of December 12, at a historically extremely low position. Similar to the 30 - year treasury bond, the domestic economic situation in October was under pressure, and inflation data showed deflation risk alleviation [3][14] 3.3 Super - long Bond Basic Overview - As of November 30, the balance of remaining super - long bonds was 24.3 trillion, accounting for 15.1% of the total bond balance. Local government bonds and treasury bonds were the main varieties. By variety, treasury bonds accounted for 26.8%, local government bonds 67.8%, etc. By remaining term, the 30 - year variety had the highest proportion [15] 3.4 Primary Market - Weekly Issuance: Last week (December 8 - 12, 2025), the issuance of super - long bonds surged, with a total of 385.2 billion yuan. By variety, treasury bonds accounted for 350 billion, local government bonds 34.7 billion, etc. By term, 15 - year bonds accounted for 353.1 billion, 20 - year 22.4 billion, 30 - year 9.7 billion [21] - This Week's Planned Issuance: The announced super - long bond issuance plan this week is 2.03 billion yuan, all of which are super - long local government bonds [26] 3.5 Secondary Market - Trading Volume: Last week, super - long bonds were very actively traded, with a turnover of 1230.2 billion yuan, accounting for 14.1% of the total bond turnover. By variety, super - long treasury bonds accounted for 41.9% of the total treasury bond turnover, super - long local bonds 47.9% of the total local bond turnover, etc. The trading activity slightly declined, but the turnover increased by 95.6 billion yuan, and the proportion decreased by 0.5% [30] - Yield: After the Central Economic Work Conference and the Political Bureau Meeting last week, the bond market rebounded but then faced supply concerns. The yields of 15 - year, 20 - year, 30 - year, and 50 - year treasury bonds changed by - 1BP, - 2BP, - 1BP, and 0BP to 2.12%, 2.24%, 2.25%, and 2.46% respectively. Similar data is available for CDB bonds, local bonds, and railway bonds [41] - Spread Analysis: - Term Spread: Last week, the term spread of super - long bonds flattened, and the absolute level was low. The 30 - 10 year spread of benchmark treasury bonds was 41BP, unchanged from the previous week, at the 25% quantile since 2010 [51] - Variety Spread: Last week, the variety spread of super - long bonds widened, and the absolute level was low. The spread between the 20 - year CDB bond and the treasury bond was 15BP, and the spread between the 20 - year railway bond and the treasury bond was 22BP, changing by 1BP and 6BP respectively from the previous week, at the 13% and 17% quantiles since 2010 [52] 3.6 30 - year Treasury Bond Futures - Last week, the main contract TL2603 of the 30 - year treasury bond futures closed at 112.47 yuan, with a decline of 0.00%. The total trading volume was 684,300 lots (- 22,523 lots), and the open interest was 142,600 lots (- 2,964 lots). The trading volume and open interest slightly decreased compared to the previous week [56]