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 2026-08-10・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 | 0.400 % |
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| Compound Yield | 0.3997 % |
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| Accrued Interest | 0.070137 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 13.44 |
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| Macaulay Duration | 13.46 |
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| DV01 | — |
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| Convexity | 190.5 |
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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 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 13.8y) | 3.279 % → ref. price 68.183 |
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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 | 2.751 | 73.502 | 0.101 | +7.94% | +31.77% |
| -25bp | 3.001 | 71.158 | 0.101 | +4.51% | +18.03% |
| Unchanged (roll-down) | 3.251 | 68.892 | 0.101 | +1.19% | +4.75% |
| +25bp | 3.501 | 66.703 | 0.101 | -2.02% | -8.08% |
| +50bp | 3.751 | 64.588 | 0.101 | -5.12% | -20.48% |
| 6m 2027-02-23 | -50bp | 2.723 | 74.174 | 0.201 | +9.07% | +18.15% |
| -25bp | 2.973 | 71.849 | 0.201 | +5.67% | +11.33% |
| Unchanged (roll-down) | 3.223 | 69.601 | 0.201 | +2.37% | +4.75% |
| +25bp | 3.473 | 67.428 | 0.201 | -0.81% | -1.62% |
| +50bp | 3.723 | 65.327 | 0.201 | -3.89% | -7.78% |
| 12m 2027-08-23 | -50bp | 2.668 | 75.485 | 0.400 | +11.29% | +11.29% |
| -25bp | 2.918 | 73.202 | 0.400 | +7.94% | +7.94% |
| Unchanged (roll-down) | 3.168 | 70.992 | 0.400 | +4.70% | +4.70% |
| +25bp | 3.418 | 68.852 | 0.400 | +1.57% | +1.57% |
| +50bp | 3.668 | 66.781 | 0.400 | -1.47% | -1.47% |