bonds / 20Y / JGB (20-Year) No. 180
Bond Information
| Name | JGB (20-Year) No. 180 |
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| ISIN | — |
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| Issue # | 180 |
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| Coupon (%) | 0.8% semi-annual |
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| Issue Date | 2022-04-15 |
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| Maturity | 2042-03-20 （Remaining 15.4y） |
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| Outstanding | ¥3.8T （2026-03-31・MOF） |
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| Total issued | ¥3.8T （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 ¥19.7B（last 2026-05-07・BOJ） |
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| BOJ Holding | ¥121.3B（3.2%）（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 | 0.800 % |
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| Compound Yield | 0.7996 % |
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| Accrued Interest | 0.083288 (38 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 14.45 |
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| Macaulay Duration | 14.51 |
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| DV01 | — |
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| Convexity | 224.4 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2027-03-20 | coupon | 0.400 |
| 2027-09-20 | coupon | 0.400 |
| 2028-03-20 | coupon | 0.400 |
| …（26 omitted）… |
| 2041-09-20 | coupon | 0.400 |
| 2042-03-20 | coupon + redemption | 100.400 |
Related Auctions
Horizon total return settle 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 15.4y) | 3.394 % → ref. price 69.075 |
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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 | 2.881 | 74.596 | 0.202 | +8.27% | +33.10% |
| -25bp | 3.131 | 72.048 | 0.202 | +4.59% | +18.36% |
| Unchanged (roll-down) | 3.381 | 69.595 | 0.202 | +1.04% | +4.17% |
| +25bp | 3.631 | 67.231 | 0.202 | -2.37% | -9.50% |
| +50bp | 3.881 | 64.955 | 0.202 | -5.67% | -22.66% |
| 6m 2027-04-28 | -50bp | 2.862 | 75.114 | 0.402 | +9.31% | +18.63% |
| -25bp | 3.112 | 72.586 | 0.402 | +5.66% | +11.32% |
| Unchanged (roll-down) | 3.362 | 70.149 | 0.402 | +2.13% | +4.27% |
| +25bp | 3.612 | 67.801 | 0.402 | -1.26% | -2.52% |
| +50bp | 3.862 | 65.538 | 0.402 | -4.53% | -9.07% |
| 12m 2027-10-28 | -50bp | 2.808 | 76.338 | 0.800 | +11.66% | +11.66% |
| -25bp | 3.058 | 73.845 | 0.800 | +8.05% | +8.05% |
| Unchanged (roll-down) | 3.308 | 71.440 | 0.800 | +4.58% | +4.58% |
| +25bp | 3.558 | 69.119 | 0.800 | +1.22% | +1.22% |
| +50bp | 3.808 | 66.880 | 0.800 | -2.02% | -2.02% |