bonds / 20Y / JGB (20-Year) No. 124
Bond Information
| Name | JGB (20-Year) No. 124 |
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| ISIN | — |
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| Issue # | 124 |
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| Coupon (%) | 2% semi-annual |
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| Issue Date | 2011-02-25 |
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| Maturity | 2030-12-20 （Remaining 4.3y） |
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| Outstanding | ¥1.5T （2026-03-31・MOF） |
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| Total issued | ¥1.6T （annual report, FY-end） |
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| Statutory basis | 4条特例借換前倒財投 |
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| STRIPS principal | ¥0M （2026-06-30） |
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| SLF usage | last 30d —／ total ¥34.1B（last 2026-03-19・BOJ） |
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| BOJ Holding | ¥1T（70.3%）（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 | 2.000 % |
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| Compound Yield | 1.9978 % |
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| Accrued Interest | 0.350685 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 4.11 |
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| Macaulay Duration | 4.15 |
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| DV01 | — |
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| Convexity | 19.4 |
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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 | 1.000 |
| 2027-06-20 | coupon | 1.000 |
| 2027-12-20 | coupon | 1.000 |
| …（4 omitted）… |
| 2030-06-20 | coupon | 1.000 |
| 2030-12-20 | coupon + redemption | 101.000 |
Related Auctions
| Auction Date | | Bid/Cover | Tail (sen) | Avg Yield (%) |
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| 2011-02-22 | new | 2.64 | 14 | 2.050 |
Horizon total return settle 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 4.3y) | 2.041 % → ref. price 99.820 |
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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 | 1.509 | 101.924 | 0.504 | +2.60% | +10.41% |
| -25bp | 1.759 | 100.934 | 0.504 | +1.62% | +6.46% |
| Unchanged (roll-down) | 2.009 | 99.955 | 0.504 | +0.64% | +2.55% |
| +25bp | 2.259 | 98.987 | 0.504 | -0.33% | -1.32% |
| +50bp | 2.509 | 98.029 | 0.504 | -1.28% | -5.14% |
| 6m 2027-02-23 | -50bp | 1.467 | 101.969 | 1.005 | +3.15% | +6.30% |
| -25bp | 1.717 | 101.037 | 1.005 | +2.22% | +4.44% |
| Unchanged (roll-down) | 1.967 | 100.115 | 1.005 | +1.30% | +2.60% |
| +25bp | 2.217 | 99.202 | 1.005 | +0.39% | +0.77% |
| +50bp | 2.467 | 98.299 | 1.005 | -0.52% | -1.03% |
| 12m 2027-08-23 | -50bp | 1.375 | 102.019 | 2.000 | +4.19% | +4.19% |
| -25bp | 1.625 | 101.202 | 2.000 | +3.38% | +3.38% |
| Unchanged (roll-down) | 1.875 | 100.393 | 2.000 | +2.57% | +2.57% |
| +25bp | 2.125 | 99.592 | 2.000 | +1.77% | +1.77% |
| +50bp | 2.375 | 98.798 | 2.000 | +0.98% | +0.98% |