Seoul: South Korean bond yields saw an increase across various maturities on the morning of September 22, 2025. The yields on government bonds and other securities experienced changes ranging from 0.4 to 2.1 basis points (BP).
According to Yonhap News Agency, the 1-year Treasury Bond (TB) yield rose by 0.4 BP to 2.280% from the previous session's 2.276%. The 2-year Treasury Bond saw a larger increase, rising by 0.9 BP to reach 2.404%, compared to 2.395% in the previous session. Similarly, the 3-year Treasury Bond yield increased by 1.5 BP, moving from 2.441% to 2.456%.
The 10-year Treasury Bond recorded an increase of 2.1 BP, climbing to 2.836% from the previous session's 2.815%. In the category of non-government securities, the 2-year Monetary Stabilization Bond (MSB) yield rose by 1.0 BP, reaching 2.408%, up from 2.398%. Additionally, the yield on the 3-year Corporate Bond (AA-) increased by 1.2 BP, moving from 2.898% to 2.910%.
These changes in bond yields reflect the ongoing dynamics in the South Korean financial markets.