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 2026-08-31・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 | 1.8961 % |
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| Accrued Interest | 0.442466 (85 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 2.20 |
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| Macaulay Duration | 2.22 |
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| DV01 | — |
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| Convexity | 6.0 |
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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 |
| 2028-06-20 | coupon | 0.950 |
| 2028-12-20 | coupon + redemption | 100.950 |
Related Auctions
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 2.3y) | 1.858 % → ref. price 100.084 |
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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 | 1.326 | 101.134 | 0.474 | +1.52% | +6.07% |
| -25bp | 1.576 | 100.635 | 0.474 | +1.02% | +4.08% |
| Unchanged (roll-down) | 1.826 | 100.139 | 0.474 | +0.53% | +2.11% |
| +25bp | 2.076 | 99.646 | 0.474 | +0.04% | +0.14% |
| +50bp | 2.326 | 99.156 | 0.474 | -0.45% | -1.81% |
| 6m 2027-03-13 | -50bp | 1.261 | 101.112 | 0.940 | +1.96% | +3.91% |
| -25bp | 1.511 | 100.672 | 0.940 | +1.52% | +3.04% |
| Unchanged (roll-down) | 1.761 | 100.235 | 0.940 | +1.09% | +2.17% |
| +25bp | 2.011 | 99.800 | 0.940 | +0.65% | +1.31% |
| +50bp | 2.261 | 99.368 | 0.940 | +0.22% | +0.45% |
| 12m 2027-09-13 | -50bp | 1.124 | 100.969 | 1.900 | +2.77% | +2.77% |
| -25bp | 1.374 | 100.652 | 1.900 | +2.46% | +2.46% |
| Unchanged (roll-down) | 1.624 | 100.337 | 1.900 | +2.14% | +2.14% |
| +25bp | 1.874 | 100.024 | 1.900 | +1.83% | +1.83% |
| +50bp | 2.124 | 99.712 | 1.900 | +1.52% | +1.52% |