10年期日本国债收益率持平于1.515%，20年期日本国债收益率下跌2个基点至2.535%，30年期日本国债收益率下跌1.5个基点至3.11%。

Group 1 - The 10-year Japanese government bond yield remains stable at 1.515% [1] - The 20-year Japanese government bond yield decreased by 2 basis points to 2.535% [1] - The 30-year Japanese government bond yield fell by 1.5 basis points to 3.11% [1]