Seoul: South Korean bond yields exhibited slight fluctuations during the morning session on September 30, 2025. The yields for different tenors experienced minimal changes, reflecting a stable bond market environment.

According to Yonhap News Agency, the 1-year Treasury Bond yield decreased slightly to 2.319% from the previous session's 2.322%, marking a change of -0.3 basis points. The 2-year Treasury Bond yield saw a modest increase, moving up to 2.520% from 2.519%, a change of +0.1 basis points. Meanwhile, the 3-year Treasury Bond yield rose by 0.6 basis points to 2.569% from the previous 2.563%.

The 10-year Treasury Bond yield experienced a minor decline, falling to 2.933% from the prior session's 2.939%, a change of -0.6 basis points. In the corporate bond segment, the 2-year Monetary Stabilization Bond yield decreased by 0.3 basis points to 2.505% from 2.508%. The 3-year Corporate Bond (rated AA-) yield increased slightly to 3.006% from 3.004%, marking a change of +0.2 basis points.