bonds / 20Y / JGB (20-Year) No. 171
Bond Information
| Name | JGB (20-Year) No. 171 |
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| ISIN | — |
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| Issue # | 171 |
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| Coupon (%) | 0.3% semi-annual |
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| Issue Date | 2020-01-20 |
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| Maturity | 2039-12-20 （Remaining 13.3y） |
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| Outstanding | ¥2.8T （2026-03-31・MOF） |
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| Total issued | ¥3.3T （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 ¥10B／ total ¥27.5B（last 2026-07-30・BOJ） |
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| BOJ Holding | ¥310.9B（11.2%）（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 | 0.300 % |
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| Compound Yield | 0.2998 % |
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| Accrued Interest | 0.052603 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 13.05 |
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| Macaulay Duration | 13.07 |
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| DV01 | — |
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| Convexity | 179.2 |
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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 | 0.150 |
| 2027-06-20 | coupon | 0.150 |
| 2027-12-20 | coupon | 0.150 |
| …（22 omitted）… |
| 2039-06-20 | coupon | 0.150 |
| 2039-12-20 | coupon + redemption | 100.150 |
Related Auctions
Horizon total return settle 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 13.3y) | 3.223 % → ref. price 68.517 |
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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 | 2.695 | 73.739 | 0.076 | +7.73% | +30.90% |
| -25bp | 2.945 | 71.452 | 0.076 | +4.39% | +17.56% |
| Unchanged (roll-down) | 3.195 | 69.239 | 0.076 | +1.16% | +4.65% |
| +25bp | 3.445 | 67.099 | 0.076 | -1.96% | -7.83% |
| +50bp | 3.695 | 65.028 | 0.076 | -4.98% | -19.91% |
| 6m 2027-02-23 | -50bp | 2.667 | 74.421 | 0.151 | +8.83% | +17.66% |
| -25bp | 2.917 | 72.154 | 0.151 | +5.52% | +11.05% |
| Unchanged (roll-down) | 3.167 | 69.961 | 0.151 | +2.33% | +4.65% |
| +25bp | 3.417 | 67.837 | 0.151 | -0.77% | -1.54% |
| +50bp | 3.667 | 65.782 | 0.151 | -3.77% | -7.54% |
| 12m 2027-08-23 | -50bp | 2.612 | 75.751 | 0.300 | +10.99% | +10.99% |
| -25bp | 2.862 | 73.529 | 0.300 | +7.75% | +7.75% |
| Unchanged (roll-down) | 3.112 | 71.376 | 0.300 | +4.61% | +4.61% |
| +25bp | 3.362 | 69.289 | 0.300 | +1.56% | +1.56% |
| +50bp | 3.612 | 67.266 | 0.300 | -1.39% | -1.39% |