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 3.3y） |
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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 2026-08-31・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 | 2.200 % |
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| Compound Yield | 2.1967 % |
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| Accrued Interest | 0.512329 (85 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 3.12 |
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| Macaulay Duration | 3.16 |
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| DV01 | — |
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| Convexity | 11.5 |
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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 | 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 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 3.3y) | 2.000 % → ref. price 100.621 |
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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 | 1.457 | 102.179 | 0.548 | +2.08% | +8.33% |
| -25bp | 1.707 | 101.436 | 0.548 | +1.35% | +5.39% |
| Unchanged (roll-down) | 1.957 | 100.700 | 0.548 | +0.62% | +2.48% |
| +25bp | 2.207 | 99.970 | 0.548 | -0.10% | -0.41% |
| +50bp | 2.457 | 99.246 | 0.548 | -0.82% | -3.27% |
| 6m 2027-03-13 | -50bp | 1.424 | 102.097 | 1.088 | +2.54% | +5.07% |
| -25bp | 1.674 | 101.413 | 1.088 | +1.86% | +3.72% |
| Unchanged (roll-down) | 1.924 | 100.735 | 1.088 | +1.19% | +2.38% |
| +25bp | 2.174 | 100.062 | 1.088 | +0.52% | +1.05% |
| +50bp | 2.424 | 99.394 | 1.088 | -0.14% | -0.27% |
| 12m 2027-09-13 | -50bp | 1.358 | 101.867 | 2.200 | +3.41% | +3.41% |
| -25bp | 1.608 | 101.305 | 2.200 | +2.85% | +2.85% |
| Unchanged (roll-down) | 1.858 | 100.747 | 2.200 | +2.30% | +2.30% |
| +25bp | 2.108 | 100.192 | 2.200 | +1.75% | +1.75% |
| +50bp | 2.358 | 99.642 | 2.200 | +1.21% | +1.21% |