利率震荡，曲线形态怎么看？

Group 1 - The 10-1Y yield spread may face widening pressure due to changes in macroeconomic narratives and the weakening economic cycle since 2023, which has shifted the trading behavior and expectations [6][12][18] - The 30-10Y yield spread is expected to narrow in the short term, but long-term observations are needed to assess whether the fundamentals can continue to improve [18][30][39] - The government bond supply is nearing its end in 2025, but broad fiscal expansion is expected in 2026, which may create supply-demand matching pressures on the long-term yield spreads [39][42] Group 2 - The 10-1Y yield spread may widen under the constraints of bond asset cost-effectiveness, while opportunities for curve trading in the 30-10Y yield spread are worth noting [48][49] - The current 30-10Y yield spread has reached a relatively high level, suggesting potential for flattening curve trades [39][40] - The report highlights the importance of monitoring the supply-demand dynamics of government bonds, particularly in the context of fiscal policies and central bank actions [42][39]