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 2026-08-10・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 | 2.200 % |
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| Compound Yield | 2.1968 % |
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| Accrued Interest | 0.385753 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 3.18 |
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| Macaulay Duration | 3.22 |
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| DV01 | — |
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| Convexity | 11.9 |
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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 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 3.3y) | 1.875 % → ref. price 101.035 |
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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 | 1.328 | 102.611 | 0.555 | +2.10% | +8.40% |
| -25bp | 1.578 | 101.852 | 0.555 | +1.35% | +5.41% |
| Unchanged (roll-down) | 1.828 | 101.099 | 0.555 | +0.61% | +2.44% |
| +25bp | 2.078 | 100.353 | 0.555 | -0.13% | -0.50% |
| +50bp | 2.328 | 99.613 | 0.555 | -0.86% | -3.42% |
| 6m 2027-02-23 | -50bp | 1.290 | 102.508 | 1.106 | +2.54% | +5.09% |
| -25bp | 1.540 | 101.809 | 1.106 | +1.85% | +3.71% |
| Unchanged (roll-down) | 1.790 | 101.116 | 1.106 | +1.17% | +2.34% |
| +25bp | 2.040 | 100.429 | 1.106 | +0.49% | +0.99% |
| +50bp | 2.290 | 99.747 | 1.106 | -0.18% | -0.36% |
| 12m 2027-08-23 | -50bp | 1.225 | 102.222 | 2.200 | +3.34% | +3.34% |
| -25bp | 1.475 | 101.644 | 2.200 | +2.77% | +2.77% |
| Unchanged (roll-down) | 1.725 | 101.070 | 2.200 | +2.20% | +2.20% |
| +25bp | 1.975 | 100.500 | 2.200 | +1.64% | +1.64% |
| +50bp | 2.225 | 99.933 | 2.200 | +1.08% | +1.08% |