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 17.7y） |
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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 ¥95.1B（last 2026-09-07・BOJ） |
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| BOJ Holding | ¥279.2B（9.2%）（as of 2026-10-20・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 | 1.8984 % |
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| Accrued Interest | 0.676712 (130 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 14.84 |
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| Macaulay Duration | 14.98 |
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| DV01 | — |
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| Convexity | 252.6 |
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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 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 17.6y) | 3.517 % → ref. price 78.844 |
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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 2027-01-28 | -50bp | 3.003 | 85.111 | -0.474 | +7.29% | +29.14% |
| -25bp | 3.253 | 82.105 | -0.474 | +3.50% | +14.02% |
| Unchanged (roll-down) | 3.503 | 79.221 | -0.474 | -0.12% | -0.49% |
| +25bp | 3.753 | 76.454 | -0.474 | -3.60% | -14.41% |
| +50bp | 4.003 | 73.798 | -0.474 | -6.94% | -27.76% |
| 6m 2027-04-28 | -50bp | 2.990 | 85.435 | 0.945 | +9.48% | +18.95% |
| -25bp | 3.240 | 82.451 | 0.945 | +5.72% | +11.45% |
| Unchanged (roll-down) | 3.490 | 79.586 | 0.945 | +2.12% | +4.24% |
| +25bp | 3.740 | 76.836 | 0.945 | -1.34% | -2.68% |
| +50bp | 3.990 | 74.195 | 0.945 | -4.66% | -9.32% |
| 12m 2027-10-28 | -50bp | 2.963 | 86.087 | 1.900 | +11.50% | +11.50% |
| -25bp | 3.213 | 83.149 | 1.900 | +7.80% | +7.80% |
| Unchanged (roll-down) | 3.463 | 80.325 | 1.900 | +4.25% | +4.25% |
| +25bp | 3.713 | 77.611 | 1.900 | +0.84% | +0.84% |
| +50bp | 3.963 | 75.003 | 1.900 | -2.44% | -2.44% |