bonds / 20Y / JGB (20-Year) No. 173
Bond Information
| Name | JGB (20-Year) No. 173 |
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| ISIN | — |
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| Issue # | 173 |
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| Coupon (%) | 0.4% semi-annual |
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| Issue Date | 2020-07-22 |
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| Maturity | 2040-06-20 （Remaining 13.8y） |
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| Outstanding | ¥4.4T （2026-03-31・MOF） |
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| Total issued | ¥4.2T （annual report, FY-end） |
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| Statutory basis | 4条特例借換前倒財投 |
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| SLF usage | last 30d —／ total ¥35.7B（last 2026-06-25・BOJ） |
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| BOJ Holding | ¥610.7B（13.8%）（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 | 0.400 % |
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| Compound Yield | 0.3997 % |
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| Accrued Interest | 0.093151 (85 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 13.38 |
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| Macaulay Duration | 13.41 |
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| DV01 | — |
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| Convexity | 189.0 |
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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 | 0.200 |
| 2027-06-20 | coupon | 0.200 |
| 2027-12-20 | coupon | 0.200 |
| …（23 omitted）… |
| 2039-12-20 | coupon | 0.200 |
| 2040-06-20 | coupon + redemption | 100.200 |
Related Auctions
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 13.8y) | 3.329 % → ref. price 67.836 |
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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 | 2.802 | 73.102 | 0.100 | +7.90% | +31.59% |
| -25bp | 3.052 | 70.780 | 0.100 | +4.48% | +17.92% |
| Unchanged (roll-down) | 3.302 | 68.537 | 0.100 | +1.18% | +4.71% |
| +25bp | 3.552 | 66.368 | 0.100 | -2.01% | -8.06% |
| +50bp | 3.802 | 64.272 | 0.100 | -5.10% | -20.40% |
| 6m 2027-03-13 | -50bp | 2.775 | 73.758 | 0.198 | +9.01% | +18.02% |
| -25bp | 3.025 | 71.455 | 0.198 | +5.62% | +11.24% |
| Unchanged (roll-down) | 3.275 | 69.229 | 0.198 | +2.34% | +4.68% |
| +25bp | 3.525 | 67.075 | 0.198 | -0.83% | -1.66% |
| +50bp | 3.775 | 64.993 | 0.198 | -3.89% | -7.79% |
| 12m 2027-09-13 | -50bp | 2.721 | 75.089 | 0.400 | +11.27% | +11.27% |
| -25bp | 2.971 | 72.828 | 0.400 | +7.94% | +7.94% |
| Unchanged (roll-down) | 3.221 | 70.639 | 0.400 | +4.72% | +4.72% |
| +25bp | 3.471 | 68.520 | 0.400 | +1.60% | +1.60% |
| +50bp | 3.721 | 66.468 | 0.400 | -1.43% | -1.43% |