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 2026-08-10・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 | 2.100 % |
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| Compound Yield | 2.0961 % |
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| Accrued Interest | 0.368219 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 1.78 |
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| Macaulay Duration | 1.80 |
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| DV01 | — |
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| Convexity | 4.1 |
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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 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 1.8y) | 1.638 % → ref. price 100.821 |
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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 | 1.075 | 101.591 | 0.529 | +1.28% | +5.14% |
| -25bp | 1.325 | 101.199 | 0.529 | +0.90% | +3.58% |
| Unchanged (roll-down) | 1.575 | 100.808 | 0.529 | +0.51% | +2.04% |
| +25bp | 1.825 | 100.419 | 0.529 | +0.13% | +0.50% |
| +50bp | 2.075 | 100.033 | 0.529 | -0.26% | -1.03% |
| 6m 2027-02-23 | -50bp | 1.011 | 101.424 | 1.056 | +1.64% | +3.28% |
| -25bp | 1.261 | 101.094 | 1.056 | +1.31% | +2.63% |
| Unchanged (roll-down) | 1.511 | 100.765 | 1.056 | +0.99% | +1.97% |
| +25bp | 1.761 | 100.437 | 1.056 | +0.66% | +1.33% |
| +50bp | 2.011 | 100.111 | 1.056 | +0.34% | +0.68% |
| 12m 2027-08-23 | -50bp | 0.930 | 100.956 | 2.100 | +2.21% | +2.21% |
| -25bp | 1.180 | 100.749 | 2.100 | +2.00% | +2.00% |
| Unchanged (roll-down) | 1.430 | 100.543 | 2.100 | +1.80% | +1.80% |
| +25bp | 1.680 | 100.337 | 2.100 | +1.60% | +1.60% |
| +50bp | 1.930 | 100.132 | 2.100 | +1.39% | +1.39% |