bonds / 20Y / JGB (20-Year) No. 183
Bond Information
| Name | JGB (20-Year) No. 183 |
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| ISIN | — |
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| Issue # | 183 |
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| Coupon (%) | 1.4% semi-annual |
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| Issue Date | 2023-01-20 |
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| Maturity | 2042-12-20 （Remaining 16.2y） |
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| Outstanding | ¥3.7T （2026-03-31・MOF） |
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| Total issued | ¥3.8T （annual report, FY-end） |
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| Statutory basis | 4条借換前倒財投 |
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| SLF usage | last 30d —／ total ¥121B（last 2026-09-08・BOJ） |
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| BOJ Holding | ¥942.3B（25.8%）（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 | 1.400 % |
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| Compound Yield | 1.3989 % |
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| Accrued Interest | 0.498630 (130 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 14.34 |
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| Macaulay Duration | 14.45 |
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| DV01 | — |
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| Convexity | 228.6 |
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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 | 0.700 |
| 2027-06-20 | coupon | 0.700 |
| 2027-12-20 | coupon | 0.700 |
| …（28 omitted）… |
| 2042-06-20 | coupon | 0.700 |
| 2042-12-20 | coupon + redemption | 100.700 |
Related Auctions
Horizon total return settle 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 16.1y) | 3.435 % → ref. price 74.911 |
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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 | 2.922 | 80.742 | -0.349 | +7.27% | +29.08% |
| -25bp | 3.172 | 77.993 | -0.349 | +3.62% | +14.50% |
| Unchanged (roll-down) | 3.422 | 75.349 | -0.349 | +0.12% | +0.48% |
| +25bp | 3.672 | 72.806 | -0.349 | -3.25% | -13.02% |
| +50bp | 3.922 | 70.358 | -0.349 | -6.50% | -26.00% |
| 6m 2027-04-28 | -50bp | 2.908 | 81.126 | 0.696 | +9.16% | +18.33% |
| -25bp | 3.158 | 78.400 | 0.696 | +5.55% | +11.10% |
| Unchanged (roll-down) | 3.408 | 75.776 | 0.696 | +2.07% | +4.14% |
| +25bp | 3.658 | 73.251 | 0.696 | -1.28% | -2.56% |
| +50bp | 3.908 | 70.820 | 0.696 | -4.50% | -9.00% |
| 12m 2027-10-28 | -50bp | 2.881 | 81.902 | 1.400 | +11.13% | +11.13% |
| -25bp | 3.131 | 79.224 | 1.400 | +7.58% | +7.58% |
| Unchanged (roll-down) | 3.381 | 76.643 | 1.400 | +4.15% | +4.15% |
| +25bp | 3.631 | 74.156 | 1.400 | +0.86% | +0.86% |
| +50bp | 3.881 | 71.760 | 1.400 | -2.32% | -2.32% |