国债期货开盘，30年期主力合约跌0.09%

Group 1 - The core viewpoint of the news is the performance of government bond futures on December 24, with a slight decline in the 30-year contract and minimal changes in the 10-year contract [1] - The 30-year main contract decreased by 0.09%, indicating a downward trend in long-term bond yields [1] - The 10-year main contract remained stable, suggesting investor sentiment may be cautious regarding medium-term interest rates [1] Group 2 - The 5-year main contract fell by 0.02%, reflecting slight bearish sentiment in the mid-range bond market [1] - The 2-year main contract decreased by 0.01%, indicating minimal movement in short-term interest rates [1]