国债期货开盘，30年期主力合约与昨日持平，10年期主力合约与昨日持平，5年期主力合约涨0.01%，2年期主力合约跌0.02%。

Core Viewpoint - The opening of government bond futures shows stability in the 30-year and 10-year main contracts, with slight movements in the 5-year and 2-year contracts [1] Summary by Categories Government Bond Futures - The 30-year main contract opened flat compared to yesterday [1] - The 10-year main contract also remained unchanged from yesterday [1] - The 5-year main contract increased by 0.01% [1] - The 2-year main contract decreased by 0.02% [1]