bonds / 20Y / JGB (20-Year) No. 155
Bond Information
| Name | JGB (20-Year) No. 155 |
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| ISIN | — |
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| Issue # | 155 |
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| Coupon (%) | 1% semi-annual |
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| Issue Date | 2015-12-21 |
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| Maturity | 2035-12-20 （Remaining 9.1y） |
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| Outstanding | ¥4.6T （2026-03-31・MOF） |
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| Total issued | ¥4.6T （annual report, FY-end） |
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| Statutory basis | 4条特例借換前倒財投 |
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| SLF usage | last 30d —／ total ¥151.8B（last 2026-04-21・BOJ） |
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| BOJ Holding | ¥2.3T（51.4%）（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 | 1.000 % |
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| Compound Yield | 0.9992 % |
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| Accrued Interest | 0.356164 (130 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 8.69 |
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| Macaulay Duration | 8.74 |
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| DV01 | — |
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| Convexity | 82.3 |
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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 | 0.500 |
| 2027-06-20 | coupon | 0.500 |
| 2027-12-20 | coupon | 0.500 |
| …（14 omitted）… |
| 2035-06-20 | coupon | 0.500 |
| 2035-12-20 | coupon + redemption | 100.500 |
Related Auctions
Horizon total return settle 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 9.1y) | 2.727 % → ref. price 86.093 |
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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 | 2.194 | 90.388 | -0.249 | +4.68% | +18.72% |
| -25bp | 2.444 | 88.507 | -0.249 | +2.50% | +10.02% |
| Unchanged (roll-down) | 2.694 | 86.669 | -0.249 | +0.38% | +1.51% |
| +25bp | 2.944 | 84.872 | -0.249 | -1.70% | -6.81% |
| +50bp | 3.194 | 83.115 | -0.249 | -3.73% | -14.93% |
| 6m 2027-04-28 | -50bp | 2.163 | 90.865 | 0.497 | +6.09% | +12.19% |
| -25bp | 2.413 | 89.023 | 0.497 | +3.96% | +7.93% |
| Unchanged (roll-down) | 2.663 | 87.221 | 0.497 | +1.88% | +3.76% |
| +25bp | 2.913 | 85.459 | 0.497 | -0.16% | -0.32% |
| +50bp | 3.163 | 83.736 | 0.497 | -2.15% | -4.30% |
| 12m 2027-10-28 | -50bp | 2.098 | 91.803 | 1.000 | +7.76% | +7.76% |
| -25bp | 2.348 | 90.043 | 1.000 | +5.73% | +5.73% |
| Unchanged (roll-down) | 2.598 | 88.319 | 1.000 | +3.73% | +3.73% |
| +25bp | 2.848 | 86.632 | 1.000 | +1.78% | +1.78% |
| +50bp | 3.098 | 84.980 | 1.000 | -0.13% | -0.13% |