bonds / 30Y / JGB (30-Year) No. 89
Bond Information
| Name | JGB (30-Year) No. 89 |
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| ISIN | — |
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| Issue # | 89 |
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| Coupon (%) | 3.4% semi-annual |
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| Issue Date | 2026-01-09 |
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| Maturity | 2055-12-20 （Remaining 29.3y） |
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| Outstanding | ¥2.2T （2026-03-31・MOF） |
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| SLF usage | last 30d —／ total ¥89.8B（last 2026-07-06・BOJ） |
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| BOJ Holding | ¥56B（2.5%）（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 | 3.400 % |
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| Compound Yield | 3.3973 % |
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| Accrued Interest | 0.596164 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 18.37 |
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| Macaulay Duration | 18.69 |
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| DV01 | — |
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| Convexity | 453.3 |
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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 | 1.700 |
| 2027-06-20 | coupon | 1.700 |
| 2027-12-20 | coupon | 1.700 |
| …（54 omitted）… |
| 2055-06-20 | coupon | 1.700 |
| 2055-12-20 | coupon + redemption | 101.700 |
Related Auctions
Horizon total return settle 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 29.3y) | 3.998 % → ref. price 89.677 |
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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 | 3.499 | 98.153 | 0.857 | +10.34% | +41.35% |
| -25bp | 3.749 | 93.802 | 0.857 | +5.52% | +22.08% |
| Unchanged (roll-down) | 3.999 | 89.708 | 0.857 | +0.98% | +3.93% |
| +25bp | 4.249 | 85.853 | 0.857 | -3.29% | -13.15% |
| +50bp | 4.499 | 82.222 | 0.857 | -7.31% | -29.24% |
| 6m 2027-02-23 | -50bp | 3.500 | 98.145 | 1.709 | +11.27% | +22.55% |
| -25bp | 3.750 | 93.816 | 1.709 | +6.48% | +12.96% |
| Unchanged (roll-down) | 4.000 | 89.740 | 1.709 | +1.96% | +3.93% |
| +25bp | 4.250 | 85.902 | 1.709 | -2.29% | -4.58% |
| +50bp | 4.500 | 82.284 | 1.709 | -6.30% | -12.59% |
| 12m 2027-08-23 | -50bp | 3.502 | 98.119 | 3.400 | +13.12% | +13.12% |
| -25bp | 3.752 | 93.834 | 3.400 | +8.37% | +8.37% |
| Unchanged (roll-down) | 4.002 | 89.796 | 3.400 | +3.90% | +3.90% |
| +25bp | 4.252 | 85.989 | 3.400 | -0.32% | -0.32% |
| +50bp | 4.502 | 82.400 | 3.400 | -4.30% | -4.30% |