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 4.2y） |
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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 （2026-09-30） |
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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 2026-10-20・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 | 2.000 % |
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| Compound Yield | 1.9977 % |
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| Accrued Interest | 0.712329 (130 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 3.93 |
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| Macaulay Duration | 3.97 |
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| DV01 | — |
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| Convexity | 17.9 |
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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 | 1.000 |
| 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 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 4.1y) | 2.138 % → ref. price 99.446 |
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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 | 1.606 | 101.477 | -0.499 | +1.53% | +6.12% |
| -25bp | 1.856 | 100.533 | -0.499 | +0.59% | +2.35% |
| Unchanged (roll-down) | 2.106 | 99.600 | -0.499 | -0.34% | -1.38% |
| +25bp | 2.356 | 98.676 | -0.499 | -1.27% | -5.06% |
| +50bp | 2.606 | 97.763 | -0.499 | -2.18% | -8.71% |
| 6m 2027-04-28 | -50bp | 1.571 | 101.510 | 0.995 | +3.05% | +6.11% |
| -25bp | 1.821 | 100.623 | 0.995 | +2.17% | +4.34% |
| Unchanged (roll-down) | 2.071 | 99.746 | 0.995 | +1.29% | +2.58% |
| +25bp | 2.321 | 98.877 | 0.995 | +0.42% | +0.85% |
| +50bp | 2.571 | 98.017 | 0.995 | -0.43% | -0.87% |
| 12m 2027-10-28 | -50bp | 1.500 | 101.524 | 2.000 | +4.07% | +4.07% |
| -25bp | 1.750 | 100.754 | 2.000 | +3.30% | +3.30% |
| Unchanged (roll-down) | 2.000 | 99.992 | 2.000 | +2.54% | +2.54% |
| +25bp | 2.250 | 99.236 | 2.000 | +1.79% | +1.79% |
| +50bp | 2.500 | 98.487 | 2.000 | +1.04% | +1.04% |