bonds / 20Y / JGB (20-Year) No. 108
Bond Information
| Name | JGB (20-Year) No. 108 |
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| ISIN | — |
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| Issue # | 108 |
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| Coupon (%) | 1.9% semi-annual |
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| Issue Date | 2009-01-30 |
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| Maturity | 2028-12-20 （Remaining 2.3y） |
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| Outstanding | ¥2.5T （2026-03-31・MOF） |
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| Total issued | ¥2.5T （annual report, FY-end） |
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| Statutory basis | 4条特例借換前倒 |
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| SLF usage | last 30d —／ total ¥1.8B（last 2026-03-24・BOJ） |
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| BOJ Holding | ¥1.6T（63.1%）（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 | 1.8962 % |
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| Accrued Interest | 0.333151 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 2.26 |
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| Macaulay Duration | 2.28 |
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| DV01 | — |
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| Convexity | 6.3 |
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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 |
| 2028-06-20 | coupon | 0.950 |
| 2028-12-20 | coupon + redemption | 100.950 |
Related Auctions
Horizon total return settle 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 2.3y) | 1.725 % → ref. price 100.389 |
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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 | 1.192 | 101.440 | 0.479 | +1.52% | +6.08% |
| -25bp | 1.442 | 100.926 | 0.479 | +1.01% | +4.03% |
| Unchanged (roll-down) | 1.692 | 100.415 | 0.479 | +0.50% | +2.00% |
| +25bp | 1.942 | 99.907 | 0.479 | -0.00% | -0.01% |
| +50bp | 2.192 | 99.402 | 0.479 | -0.50% | -2.02% |
| 6m 2027-02-23 | -50bp | 1.138 | 101.367 | 0.955 | +1.92% | +3.84% |
| -25bp | 1.388 | 100.914 | 0.955 | +1.47% | +2.94% |
| Unchanged (roll-down) | 1.638 | 100.464 | 0.955 | +1.02% | +2.05% |
| +25bp | 1.888 | 100.016 | 0.955 | +0.58% | +1.16% |
| +50bp | 2.138 | 99.571 | 0.955 | +0.14% | +0.27% |
| 12m 2027-08-23 | -50bp | 1.013 | 101.160 | 1.900 | +2.65% | +2.65% |
| -25bp | 1.263 | 100.829 | 1.900 | +2.32% | +2.32% |
| Unchanged (roll-down) | 1.513 | 100.499 | 1.900 | +2.00% | +2.00% |
| +25bp | 1.763 | 100.171 | 1.900 | +1.67% | +1.67% |
| +50bp | 2.013 | 99.844 | 1.900 | +1.35% | +1.35% |