bonds / 20Y / JGB (20-Year) No. 115
Bond Information
| Name | JGB (20-Year) No. 115 |
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| ISIN | — |
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| Issue # | 115 |
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| Coupon (%) | 2.2% semi-annual |
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| Issue Date | 2010-02-26 |
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| Maturity | 2029-12-20 （Remaining 3.2y） |
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| Outstanding | ¥1.6T （2026-03-31・MOF） |
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| Total issued | ¥1.6T （annual report, FY-end） |
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| Statutory basis | 4条借換前倒 |
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| SLF usage | last 30d —／ total ¥15.8B（last 2026-03-11・BOJ） |
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| BOJ Holding | ¥776.4B（48.2%）（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 | 2.200 % |
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| Compound Yield | 2.1967 % |
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| Accrued Interest | 0.783562 (130 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 3.00 |
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| Macaulay Duration | 3.04 |
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| DV01 | — |
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| Convexity | 10.7 |
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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 | 1.100 |
| 2027-06-20 | coupon | 1.100 |
| 2027-12-20 | coupon | 1.100 |
| …（2 omitted）… |
| 2029-06-20 | coupon | 1.100 |
| 2029-12-20 | coupon + redemption | 101.100 |
Related Auctions
| Auction Date | | Bid/Cover | Tail (sen) | Avg Yield (%) |
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| 2010-02-23 | new | 2.90 | 5 | 2.135 |
Horizon total return settle 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 3.1y) | 2.000 % → ref. price 100.598 |
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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 | 1.468 | 102.063 | -0.548 | +0.90% | +3.61% |
| -25bp | 1.718 | 101.351 | -0.548 | +0.20% | +0.80% |
| Unchanged (roll-down) | 1.968 | 100.644 | -0.548 | -0.50% | -1.98% |
| +25bp | 2.218 | 99.944 | -0.548 | -1.19% | -4.74% |
| +50bp | 2.468 | 99.250 | -0.548 | -1.87% | -7.48% |
| 6m 2027-04-28 | -50bp | 1.441 | 101.959 | 1.094 | +2.42% | +4.84% |
| -25bp | 1.691 | 101.306 | 1.094 | +1.78% | +3.55% |
| Unchanged (roll-down) | 1.941 | 100.658 | 1.094 | +1.14% | +2.28% |
| +25bp | 2.191 | 100.016 | 1.094 | +0.50% | +1.01% |
| +50bp | 2.441 | 99.378 | 1.094 | -0.12% | -0.25% |
| 12m 2027-10-28 | -50bp | 1.388 | 101.704 | 2.200 | +3.26% | +3.26% |
| -25bp | 1.638 | 101.173 | 2.200 | +2.74% | +2.74% |
| Unchanged (roll-down) | 1.888 | 100.645 | 2.200 | +2.22% | +2.22% |
| +25bp | 2.138 | 100.120 | 2.200 | +1.70% | +1.70% |
| +50bp | 2.388 | 99.599 | 2.200 | +1.18% | +1.18% |