Seoul: South Korean bond yields saw notable changes on August 27, 2026, with various tenures showing declines while the 91-day Certificate of Deposit (CD) increased significantly. According to Yonhap News Agency, the 1-year Treasury Bond (TB) yield decreased by 1.4 basis points to 3.399% from the previous session's 3.413%. The 2-year TB yield fell by 7.3 basis points, closing at 3.632%, down from 3.705%.

The 3-year TB yield also saw a reduction, dropping by 6.1 basis points to reach 3.755%, compared to its previous level of 3.816%. The 10-year TB yield declined by 5.0 basis points to 4.238%, from the earlier 4.288%. In terms of monetary stabilization bonds, the 2-year MSB yield decreased by 5.7 basis points to 3.669%, down from 3.726%.

Corporate bonds were not exempt from these changes. The 3-year Corporate Bond (CB) with an AA- rating decreased by 5.2 basis points, ending at 4.448%, down from 4.500%. However, the 91-day CD yield rose sharply by 15.0 basis points to 3.120%, up from the prior session's 2.970%. These fluctuations are closely watched by investors and policymakers alike, as they have broad implications for the financial market's stability and economic forecasts.