国债期货午后涨幅扩大，30年期主力合约涨0.22%

Core Viewpoint - The article highlights the increase in government bond futures, indicating a positive market sentiment towards long-term bonds, with varying increases across different maturities [1] Group 1: Bond Futures Performance - The 30-year main contract rose by 0.22% [1] - The 10-year main contract increased by 0.27% [1] - The 5-year main contract saw a rise of 0.16% [1] - The 2-year main contract experienced a slight increase of 0.04% [1]