Seoul: South Korean bond yields showed minor increases in most terms on September 22, 2025, with the exception of the 91-day Certificate of Deposit (CD), which experienced a slight decline. The 1-year Treasury Bond (TB) yield rose to 2.283% from the previous session’s 2.276%, marking an increase of 0.7 basis points. Similarly, the 2-year TB yield increased by 1.4 basis points, reaching 2.409%. The 3-year TB showed a rise of 1.8 basis points, moving to 2.459%, and the 10-year TB also climbed by 1.8 basis points to reach 2.833%.

According to Yonhap News Agency, the trend of rising yields extended to the 2-year Monetary Stabilization Bond (MSB), which saw an increase of 1.2 basis points, bringing it to 2.410%. The 3-year Corporate Bond (CB) with an AA- rating experienced a rise as well, increasing by 1.4 basis points to reach 2.912%. In contrast to the general upward movement, the 91-day CD yield decreased by 1.0 basis point, settling at 2.560%.

The adjustments in yields reflect market reactions to current eco
nomic conditions and monetary policies. The data indicates a continuing trend of fluctuating yields within the South Korean bond market, suggesting ongoing assessments by investors of financial and economic environments.