国债期货开盘，30年期主力合约与昨日持平，10年期主力合约涨0.00%，5年期主力合约与昨日持平，2年期主力合约跌0.00%。

Core Viewpoint - The opening of government bond futures shows stability in the 30-year and 5-year contracts, while the 10-year contract remains unchanged and the 2-year contract experiences a slight decline [1] Group 1 - The 30-year main contract opened flat compared to the previous day [1] - The 10-year main contract increased by 0.00% [1] - The 5-year main contract remained unchanged from the previous day [1] - The 2-year main contract decreased by 0.00% [1]