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 15.5y） |
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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 2026-08-31・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 | 0.800 % |
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| Compound Yield | 0.7994 % |
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| Accrued Interest | 0.387945 (177 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 14.52 |
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| Macaulay Duration | 14.58 |
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| DV01 | — |
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| Convexity | 227.1 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2026-09-20 | coupon | 0.400 |
| 2027-03-20 | coupon | 0.400 |
| 2027-09-20 | coupon | 0.400 |
| …（27 omitted）… |
| 2041-09-20 | coupon | 0.400 |
| 2042-03-20 | coupon + redemption | 100.400 |
Related Auctions
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 15.5y) | 3.493 % → ref. price 67.929 |
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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 | 2.978 | 73.413 | -0.204 | +7.73% | +30.91% |
| -25bp | 3.228 | 70.890 | -0.204 | +4.04% | +16.14% |
| Unchanged (roll-down) | 3.478 | 68.461 | -0.204 | +0.48% | +1.92% |
| +25bp | 3.728 | 66.121 | -0.204 | -2.94% | -11.78% |
| +50bp | 3.978 | 63.869 | -0.204 | -6.24% | -24.97% |
| 6m 2027-03-13 | -50bp | 2.964 | 73.901 | 0.393 | +9.32% | +18.63% |
| -25bp | 3.214 | 71.397 | 0.393 | +5.65% | +11.30% |
| Unchanged (roll-down) | 3.464 | 68.985 | 0.393 | +2.12% | +4.24% |
| +25bp | 3.714 | 66.662 | 0.393 | -1.28% | -2.56% |
| +50bp | 3.964 | 64.423 | 0.393 | -4.56% | -9.11% |
| 12m 2027-09-13 | -50bp | 2.911 | 75.132 | 0.800 | +11.71% | +11.71% |
| -25bp | 3.161 | 72.662 | 0.800 | +8.10% | +8.10% |
| Unchanged (roll-down) | 3.411 | 70.280 | 0.800 | +4.61% | +4.61% |
| +25bp | 3.661 | 67.982 | 0.800 | +1.25% | +1.25% |
| +50bp | 3.911 | 65.766 | 0.800 | -2.00% | -2.00% |