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 1.8y） |
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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 2026-08-31・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 | 2.100 % |
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| Compound Yield | 2.0960 % |
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| Accrued Interest | 0.489041 (85 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 1.72 |
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| Macaulay Duration | 1.74 |
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| DV01 | — |
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| Convexity | 3.8 |
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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 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 1.8y) | 1.760 % → ref. price 100.583 |
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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 | 1.192 | 101.359 | 0.524 | +1.29% | +5.14% |
| -25bp | 1.442 | 100.981 | 0.524 | +0.91% | +3.64% |
| Unchanged (roll-down) | 1.692 | 100.604 | 0.524 | +0.54% | +2.16% |
| +25bp | 1.942 | 100.230 | 0.524 | +0.17% | +0.67% |
| +50bp | 2.192 | 99.858 | 0.524 | -0.20% | -0.80% |
| 6m 2027-03-13 | -50bp | 1.124 | 101.227 | 1.038 | +1.66% | +3.33% |
| -25bp | 1.374 | 100.909 | 1.038 | +1.35% | +2.70% |
| Unchanged (roll-down) | 1.624 | 100.593 | 1.038 | +1.04% | +2.07% |
| +25bp | 1.874 | 100.279 | 1.038 | +0.73% | +1.45% |
| +50bp | 2.124 | 99.965 | 1.038 | +0.42% | +0.83% |
| 12m 2027-09-13 | -50bp | 1.050 | 100.797 | 2.100 | +2.29% | +2.29% |
| -25bp | 1.300 | 100.605 | 2.100 | +2.10% | +2.10% |
| Unchanged (roll-down) | 1.550 | 100.413 | 2.100 | +1.91% | +1.91% |
| +25bp | 1.800 | 100.222 | 2.100 | +1.72% | +1.72% |
| +50bp | 2.050 | 100.031 | 2.100 | +1.53% | +1.53% |