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 ¥22.5B／ total ¥95.1B（last 2026-09-07・BOJ） |
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| BOJ Holding | ¥279.2B（9.2%）（as of 2026-08-31・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 | 0.442466 (85 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 14.97 |
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| Macaulay Duration | 15.11 |
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| DV01 | — |
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| Convexity | 256.3 |
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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 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 17.8y) | 3.624 % → ref. price 77.524 |
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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 2026-12-13 | -50bp | 3.110 | 83.727 | 0.474 | +8.56% | +34.25% |
| -25bp | 3.360 | 80.759 | 0.474 | +4.76% | +19.03% |
| Unchanged (roll-down) | 3.610 | 77.913 | 0.474 | +1.11% | +4.43% |
| +25bp | 3.860 | 75.183 | 0.474 | -2.39% | -9.58% |
| +50bp | 4.110 | 72.564 | 0.474 | -5.75% | -23.02% |
| 6m 2027-03-13 | -50bp | 3.095 | 84.073 | 0.940 | +9.60% | +19.21% |
| -25bp | 3.345 | 81.126 | 0.940 | +5.82% | +11.65% |
| Unchanged (roll-down) | 3.595 | 78.297 | 0.940 | +2.20% | +4.39% |
| +25bp | 3.845 | 75.582 | 0.940 | -1.29% | -2.57% |
| +50bp | 4.095 | 72.976 | 0.940 | -4.63% | -9.26% |
| 12m 2027-09-13 | -50bp | 3.066 | 84.771 | 1.900 | +11.73% | +11.73% |
| -25bp | 3.316 | 81.867 | 1.900 | +8.01% | +8.01% |
| Unchanged (roll-down) | 3.566 | 79.076 | 1.900 | +4.43% | +4.43% |
| +25bp | 3.816 | 76.395 | 1.900 | +0.99% | +0.99% |
| +50bp | 4.066 | 73.818 | 1.900 | -2.32% | -2.32% |