bonds / 20Y / JGB (20-Year) No. 109
Bond Information
| Name | JGB (20-Year) No. 109 |
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| ISIN | — |
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| Issue # | 109 |
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| Coupon (%) | 1.9% semi-annual |
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| Issue Date | 2009-03-23 |
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| Maturity | 2029-03-20 （Remaining 2.4y） |
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| Outstanding | ¥1.7T （2026-03-31・MOF） |
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| Total issued | ¥1.7T （annual report, FY-end） |
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| Statutory basis | 4条特例借換前倒 |
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| STRIPS principal | ¥300M （2026-09-30） |
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| BOJ Holding | ¥718.9B（41.3%）（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 | 1.900 % |
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| Compound Yield | 1.9008 % |
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| Accrued Interest | 0.197808 (38 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 2.33 |
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| Macaulay Duration | 2.35 |
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| DV01 | — |
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| Convexity | 6.6 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2027-03-20 | coupon | 0.950 |
| 2027-09-20 | coupon | 0.950 |
| 2028-03-20 | coupon | 0.950 |
| 2028-09-20 | coupon | 0.950 |
| 2029-03-20 | coupon + redemption | 100.950 |
Related Auctions
| Auction Date | | Bid/Cover | Tail (sen) | Avg Yield (%) |
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| 2009-03-17 | new | 2.69 | 12 | 1.919 |
Horizon total return settle 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 2.4y) | 1.914 % → ref. price 99.969 |
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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 | 1.387 | 101.081 | 0.479 | +1.59% | +6.35% |
| -25bp | 1.637 | 100.553 | 0.479 | +1.06% | +4.24% |
| Unchanged (roll-down) | 1.887 | 100.029 | 0.479 | +0.54% | +2.15% |
| +25bp | 2.137 | 99.508 | 0.479 | +0.02% | +0.07% |
| +50bp | 2.387 | 98.990 | 0.479 | -0.50% | -2.00% |
| 6m 2027-04-28 | -50bp | 1.348 | 101.024 | 0.955 | +2.01% | +4.01% |
| -25bp | 1.598 | 100.556 | 0.955 | +1.54% | +3.08% |
| Unchanged (roll-down) | 1.848 | 100.091 | 0.955 | +1.07% | +2.15% |
| +25bp | 2.098 | 99.628 | 0.955 | +0.61% | +1.23% |
| +50bp | 2.348 | 99.168 | 0.955 | +0.15% | +0.31% |
| 12m 2027-10-28 | -50bp | 1.233 | 100.922 | 1.900 | +2.85% | +2.85% |
| -25bp | 1.483 | 100.576 | 1.900 | +2.50% | +2.50% |
| Unchanged (roll-down) | 1.733 | 100.232 | 1.900 | +2.16% | +2.16% |
| +25bp | 1.983 | 99.889 | 1.900 | +1.82% | +1.82% |
| +50bp | 2.233 | 99.548 | 1.900 | +1.48% | +1.48% |