bonds / 20Y / JGB (20-Year) No. 104
Bond Information
| Name | JGB (20-Year) No. 104 |
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| ISIN | — |
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| Issue # | 104 |
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| Coupon (%) | 2.1% semi-annual |
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| Issue Date | 2008-08-29 |
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| Maturity | 2028-06-20 （Remaining 1.7y） |
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| Outstanding | ¥870.3B （2026-03-31・MOF） |
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| Total issued | ¥1T （annual report, FY-end） |
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| Statutory basis | 借換前倒財投 |
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| SLF usage | last 30d —／ total ¥11.8B（last 2026-03-26・BOJ） |
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| BOJ Holding | ¥415.9B（47.8%）（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 | 2.100 % |
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| Compound Yield | 2.0958 % |
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| Accrued Interest | 0.747945 (130 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 1.60 |
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| Macaulay Duration | 1.62 |
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| DV01 | — |
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| Convexity | 3.4 |
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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 | 1.050 |
| 2027-06-20 | coupon | 1.050 |
| 2027-12-20 | coupon | 1.050 |
| 2028-06-20 | coupon + redemption | 101.050 |
Related Auctions
| Auction Date | | Bid/Cover | Tail (sen) | Avg Yield (%) |
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| 2008-08-26 | new | 3.41 | 4 | 2.140 |
Horizon total return settle 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 1.6y) | 1.790 % → ref. price 100.493 |
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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 | 1.232 | 101.192 | -0.524 | +0.17% | +0.69% |
| -25bp | 1.482 | 100.846 | -0.524 | -0.17% | -0.68% |
| Unchanged (roll-down) | 1.732 | 100.501 | -0.524 | -0.51% | -2.04% |
| +25bp | 1.982 | 100.157 | -0.524 | -0.85% | -3.40% |
| +50bp | 2.232 | 99.815 | -0.524 | -1.19% | -4.75% |
| 6m 2027-04-28 | -50bp | 1.176 | 101.047 | 1.044 | +1.58% | +3.16% |
| -25bp | 1.426 | 100.761 | 1.044 | +1.30% | +2.59% |
| Unchanged (roll-down) | 1.676 | 100.477 | 1.044 | +1.01% | +2.03% |
| +25bp | 1.926 | 100.193 | 1.044 | +0.73% | +1.47% |
| +50bp | 2.176 | 99.911 | 1.044 | +0.46% | +0.91% |
| 12m 2027-10-28 | -50bp | 1.142 | 100.609 | 2.100 | +2.19% | +2.19% |
| -25bp | 1.392 | 100.448 | 2.100 | +2.03% | +2.03% |
| Unchanged (roll-down) | 1.642 | 100.287 | 2.100 | +1.87% | +1.87% |
| +25bp | 1.892 | 100.126 | 2.100 | +1.71% | +1.71% |
| +50bp | 2.142 | 99.966 | 2.100 | +1.55% | +1.55% |