The 50-Year Korea Treasury Bond (KTB) auction involves the issuance of ultra-long-term sovereign debt by the South Korean government. These bonds are primarily targeted at institutional investors like pension funds and life insurance companies that need to match long-term liabilities. The auction results provide insights into long-term inflation expectations and the structural demand for safe-haven assets in Asia. Due to its extreme duration, the price of this bond is highly sensitive to even minor changes in long-term interest rate outlooks.
The Ministry of Economy and Finance issues these bonds through a Dutch auction system where all successful bidders pay the same yield. The frequency of these auctions is lower than shorter-term maturities, often occurring on a monthly or bi-monthly basis depending on fiscal needs.
| Date | Actual | Forecast | Surprise |
|---|---|---|---|
| Aug 25, 2026 | 4.55 | — | — |
| Aug 14, 2026 | 4.62 | — | — |
| Jul 21, 2026 | 4.53 | — | — |
| Jul 10, 2026 | 4.34 | — | — |
| Jun 23, 2026 | 4.30 | — | — |
| Jun 12, 2026 | 4.25 | — | — |
| May 26, 2026 | 4.14 | — | — |
| May 15, 2026 | 3.92 | — | — |
| Apr 21, 2026 | 3.61 | — | — |
| Apr 10, 2026 | 3.44 | — | — |
| Mar 13, 2026 | 3.48 | — | — |
| Feb 13, 2026 | 3.46 | — | — |
| Jan 16, 2026 | 3.22 | — | — |
| Dec 12, 2025 | 3.14 | — | — |
| Nov 14, 2025 | 3.21 | — | — |
| Oct 17, 2025 | 2.63 | — | — |
| Sep 12, 2025 | 2.57 | — | — |
| Aug 14, 2025 | 2.62 | — | — |
| Jul 11, 2025 | 2.56 | — | — |
| Jun 13, 2025 | 2.65 | — | — |
| May 16, 2025 | 2.48 | — | — |
| Apr 11, 2025 | 2.42 | — | — |
| Mar 14, 2025 | 2.44 | — | — |
| Feb 14, 2025 | 2.57 | — | — |
| Jan 17, 2025 | 2.57 | — | — |
| Dec 13, 2024 | 2.40 | — | — |
| Nov 15, 2024 | 2.85 | — | — |
| Oct 18, 2024 | 2.83 | — | — |
| Sep 13, 2024 | 2.77 | — | — |
| Aug 16, 2024 | 2.77 | — | — |
| Jul 12, 2024 | 3.04 | — | — |
