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 2026-08-31・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 | 2.000 % |
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| Compound Yield | 1.9977 % |
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| Accrued Interest | 0.465753 (85 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 4.06 |
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| Macaulay Duration | 4.10 |
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| DV01 | — |
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| Convexity | 18.9 |
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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 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 4.3y) | 2.156 % → ref. price 99.357 |
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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 | 1.626 | 101.441 | 0.499 | +2.59% | +10.35% |
| -25bp | 1.876 | 100.469 | 0.499 | +1.61% | +6.46% |
| Unchanged (roll-down) | 2.126 | 99.508 | 0.499 | +0.65% | +2.60% |
| +25bp | 2.376 | 98.557 | 0.499 | -0.30% | -1.21% |
| +50bp | 2.626 | 97.616 | 0.499 | -1.24% | -4.98% |
| 6m 2027-03-13 | -50bp | 1.585 | 101.507 | 0.989 | +3.15% | +6.29% |
| -25bp | 1.835 | 100.591 | 0.989 | +2.23% | +4.45% |
| Unchanged (roll-down) | 2.085 | 99.685 | 0.989 | +1.32% | +2.64% |
| +25bp | 2.335 | 98.788 | 0.989 | +0.42% | +0.84% |
| +50bp | 2.585 | 97.900 | 0.989 | -0.47% | -0.94% |
| 12m 2027-09-13 | -50bp | 1.500 | 101.582 | 2.000 | +4.23% | +4.23% |
| -25bp | 1.750 | 100.783 | 2.000 | +3.43% | +3.43% |
| Unchanged (roll-down) | 2.000 | 99.991 | 2.000 | +2.64% | +2.64% |
| +25bp | 2.250 | 99.207 | 2.000 | +1.85% | +1.85% |
| +50bp | 2.500 | 98.430 | 2.000 | +1.08% | +1.08% |