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South Korean Government Bond Yields Surge Across the Curve; 3-Year Note Hits 4%
Finance · Major Banks · yonhap_finance · 2026-09-11
South Korean government bond yields rose sharply across all maturities on the 11th, with the 3-year yield climbing above the 4% threshold.
What Happened
Market Movement: South Korean government bond yields saw a broad-based surge during the morning session on the 11th. The benchmark 3-year Treasury yield rose by 8.8 basis points to reach 4.018%, marking a significant move above the 4% level.
Maturity Breakdown: The 10-year bond yield climbed 10.0 basis points to 4.553%, while the 5-year and 2-year yields increased by 9.9 and 9.1 basis points, respectively. Longer-dated bonds, including the 20-year and 30-year notes, also experienced notable yield spikes of 11.7 and 9.5 basis points.
Related Debt Instruments: The upward pressure extended to other debt instruments, with the 2-year Monetary Stabilization Bond yield rising 9.8 basis points to 3.925%. Corporate bond yields (AA- rated, 3-year) also tracked the trend, increasing by 8.7 basis points to 4.687%.
Market Context: The widespread rise in yields reflects heightened selling pressure across the domestic fixed-income market. These figures, derived from Yonhap Infomax data, highlight a shift in market sentiment as investors adjust to the current interest rate environment.