bonds / 20Y / JGB (20-Year) No. 189
Bond Information
| Name | JGB (20-Year) No. 189 |
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| ISIN | — |
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| Issue # | 189 |
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| Coupon (%) | 1.9% semi-annual |
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| Issue Date | 2024-07-12 |
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| Maturity | 2044-06-20 （Remaining 17.8y） |
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| Outstanding | ¥3T （2026-03-31・MOF） |
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| Total issued | ¥3.2T （annual report, FY-end） |
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| Statutory basis | 特例借換前倒財投 |
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| SLF usage | last 30d —／ total ¥72.6B（last 2026-05-15・BOJ） |
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| BOJ Holding | ¥279.2B（9.2%）（as of 2026-08-10・Source: BOJ・Ratios approximate due to differing as-of dates） |
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| Status | active |
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Results
Yield Calculator (price input) | Simple Yield | 1.900 % |
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| Compound Yield | 1.8985 % |
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| Accrued Interest | 0.333151 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 15.02 |
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| Macaulay Duration | 15.17 |
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| DV01 | — |
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| Convexity | 258.0 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2026-12-20 | coupon | 0.950 |
| 2027-06-20 | coupon | 0.950 |
| 2027-12-20 | coupon | 0.950 |
| …（31 omitted）… |
| 2043-12-20 | coupon | 0.950 |
| 2044-06-20 | coupon + redemption | 100.950 |
Related Auctions
Horizon total return settle 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 17.8y) | 3.584 % → ref. price 77.923 |
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| G-spread (vs interpolated CMT) | — |
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| Horizon | Scenario | Yield@H | Price@H | Carry | Total return | Ann. |
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| 3m 2026-11-23 | -50bp | 3.069 | 84.188 | 0.479 | +8.62% | +34.47% |
| -25bp | 3.319 | 81.194 | 0.479 | +4.79% | +19.17% |
| Unchanged (roll-down) | 3.569 | 78.323 | 0.479 | +1.12% | +4.49% |
| +25bp | 3.819 | 75.569 | 0.479 | -2.40% | -9.58% |
| +50bp | 4.069 | 72.928 | 0.479 | -5.77% | -23.08% |
| 6m 2027-02-23 | -50bp | 3.053 | 84.551 | 0.955 | +9.69% | +19.38% |
| -25bp | 3.303 | 81.577 | 0.955 | +5.89% | +11.78% |
| Unchanged (roll-down) | 3.553 | 78.724 | 0.955 | +2.24% | +4.49% |
| +25bp | 3.803 | 75.986 | 0.955 | -1.25% | -2.51% |
| +50bp | 4.053 | 73.358 | 0.955 | -4.61% | -9.23% |
| 12m 2027-08-23 | -50bp | 3.022 | 85.253 | 1.900 | +11.79% | +11.79% |
| -25bp | 3.272 | 82.321 | 1.900 | +8.05% | +8.05% |
| Unchanged (roll-down) | 3.522 | 79.505 | 1.900 | +4.45% | +4.45% |
| +25bp | 3.772 | 76.799 | 1.900 | +0.99% | +0.99% |
| +50bp | 4.022 | 74.200 | 1.900 | -2.33% | -2.33% |