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 16.3y） |
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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 ¥120.3B（last 2026-05-27・BOJ） |
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| BOJ Holding | ¥942.3B（25.8%）（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 | 1.400 % |
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| Compound Yield | 1.3989 % |
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| Accrued Interest | 0.245479 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 14.52 |
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| Macaulay Duration | 14.63 |
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| DV01 | — |
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| Convexity | 233.9 |
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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 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 16.3y) | 3.491 % → ref. price 74.115 |
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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 | 2.976 | 79.961 | 0.353 | +8.34% | +33.34% |
| -25bp | 3.226 | 77.216 | 0.353 | +4.64% | +18.58% |
| Unchanged (roll-down) | 3.476 | 74.576 | 0.353 | +1.09% | +4.37% |
| +25bp | 3.726 | 72.037 | 0.353 | -2.32% | -9.28% |
| +50bp | 3.976 | 69.595 | 0.353 | -5.60% | -22.42% |
| 6m 2027-02-23 | -50bp | 2.960 | 80.382 | 0.704 | +9.37% | +18.75% |
| -25bp | 3.210 | 77.658 | 0.704 | +5.71% | +11.42% |
| Unchanged (roll-down) | 3.460 | 75.037 | 0.704 | +2.19% | +4.37% |
| +25bp | 3.710 | 72.515 | 0.704 | -1.21% | -2.41% |
| +50bp | 3.960 | 70.088 | 0.704 | -4.47% | -8.94% |
| 12m 2027-08-23 | -50bp | 2.929 | 81.200 | 1.400 | +11.41% | +11.41% |
| -25bp | 3.179 | 78.520 | 1.400 | +7.81% | +7.81% |
| Unchanged (roll-down) | 3.429 | 75.939 | 1.400 | +4.33% | +4.33% |
| +25bp | 3.679 | 73.452 | 1.400 | +0.99% | +0.99% |
| +50bp | 3.929 | 71.056 | 1.400 | -2.23% | -2.23% |