Seoul:South Korean bond yields showed a variety of movements on September 30, 2026, with some rates increasing and others decreasing.

According to Yonhap News Agency, the yield on the 1-year Treasury Bond rose slightly by 0.9 basis points to 3.733%. Conversely, the 2-year Treasury Bond yield saw a decrease of 5.3 basis points, settling at 3.978%.

The 3-year Treasury Bond yield decreased by 6.5 basis points to 4.011%, while the yield on the 10-year Treasury Bond fell by 6.9 basis points, ending at 4.407%.

Other bond yields also experienced changes. The 2-year Monetary Stabilization Bond yield decreased by 5.2 basis points to 3.981%, and the 3-year Corporate Bond (AA-) yield saw a similar decrease of 5.2 basis points, closing at 4.703%. The yield on the 91-day Certificate of Deposit remained unchanged at 3.220%.