国债期货开盘，30年期主力合约与昨日持平，10年期、5年期主力合约基本持平，2年期主力合约涨0.01%。

Group 1 - The opening of government bond futures shows that the 30-year main contract remains stable compared to yesterday, while the 10-year and 5-year main contracts are also largely unchanged, indicating a steady market sentiment [1] - The 2-year main contract has experienced a slight increase of 0.01%, suggesting a minor upward movement in the short-term interest rate expectations [1]