双利差走阔：曲线陡峭化延续，定价逻辑分化

1. Report Industry Investment Rating No information provided in the content. 2. Core Viewpoints of the Report - The current 10Y - 1Y and 30Y - 10Y spreads are continuously widening, reaching a ten - year high. The report analyzes the driving mechanisms and characteristics of these two key spreads, revealing the differences in dominant forces and structural change trends of different term spreads [1]. - In 2026, the steepening of the yield curve will continue, and the 10Y - 1Y and 30Y - 10Y spreads will generally widen marginally. The 10Y - 1Y spread will be steepened by monetary easing and may widen, while the 30Y - 10Y spread will be repaired by supply and rise in an oscillatory manner [3][4]. 3. Summary According to the Directory 3.1 10Y - 1Y Spread: Short - end Dominant, Long - end Amplifying - Driving Factors: Policy Anchor, Growth Expectation, and Supply - demand Structure - The 10Y - 1Y spread reflects the relative changes among short - term policy interest rates, medium - and long - term growth and inflation, and bond supply - demand structure. Short - term interest rates are more sensitive to monetary policy and the money market, while long - term interest rates reflect future growth trends, inflation expectations, and economic cycle changes. Bond supply - demand structure differences and investor behavior also affect the spread [9]. - Pricing Logic: A Stable Negative Dynamic Equilibrium Relationship between 1Y and 10Y - 1Y - Short - term interest rates determine the core direction of the 10Y - 1Y spread. After removing the influence of interest rate central migration, the 1 - year Treasury yield and the spread show a clear negative correlation. Long - term interest rates have a limited and unstable impact on the 10Y - 1Y spread [10][13]. - Periodic Deviation: Structural Disturbance under Short - end Dominance - The short - term interest rate and the 10Y - 1Y spread generally show a strong negative correlation, but there are also periodic changes in their correlation during the interest rate central switching stage. The 1 - year yield dominates the spread direction, and the negative correlation between the spread and the 1 - year yield may deviate or weaken in the short term. The correlation between the spread and the 10 - year Treasury yield is weak [17]. 3.2 30Y - 10Y Spread: The Dominance Shifting to the Ultra - long End, Spread Repricing - Driving Factors of the 30Y - 10Y Spread: Differentiation in Supply - demand, Expectation, and Term Sensitivity - The 30Y - 10Y spread reflects the differences in supply - demand structure, long - term expectations, and policy sensitivity between long - term and medium - long - term Treasuries. Its core drivers include supply - demand structure differences, differences in long - term economic growth and inflation expectations, and the impact of policy uncertainty and term sensitivity differences [25]. - Core Pricing Logic: The Ultra - long End is Becoming the Dominant Force of the Spread - The correlation between the 10 - year Treasury yield and the 30Y - 10Y spread is generally weak. The 30 - year Treasury yield has a more stable positive linkage with the spread, indicating that the ultra - long - end interest rate is playing an increasingly prominent role in driving the 30Y - 10Y spread [26][27]. - Stage Switching: Multiple Combination Forms of Interest Rate Central Changes - The pricing center of the 30Y - 10Y spread is gradually shifting to the ultra - long end. In different macro - economic and policy environments, the spread may show multiple combination forms, and the mid - term trend shows that the ultra - long end is gradually becoming the core anchor of spread pricing [34][43]. 3.3 Outlook: The Steepening of the Curve Continues, and the Double Spreads Widen - 10Y - 1Y Spread: Steepened by Easing, May Widen - In the first half of 2026, the 10Y - 1Y spread may widen. The strengthening of the interest rate cut expectation will lower the short - term interest rate, and the front - loaded fiscal policy will increase the supply pressure, with the long - term pressure being higher [44][45]. - 30Y - 10Y Spread: Repaired by Supply, Rise in an Oscillatory Manner - In 2026, the supply premium will replace the liquidity premium as the dominant factor of the 30Y - 10Y spread. In the first half of 2026, the 30Y - 10Y spread will remain high and oscillate, and the center may widen further [46].