bonds / 40Y / JGB (40-Year) No. 4
Bond Information
| Name | JGB (40-Year) No. 4 |
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| ISIN | — |
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| Issue # | 4 |
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| Coupon (%) | 2.2% semi-annual |
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| Issue Date | 2011-05-20 |
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| Maturity | 2051-03-20 （Remaining 24.6y） |
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| Outstanding | ¥2.1T （2026-03-31・MOF） |
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| Total issued | ¥2.1T （annual report, FY-end） |
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| Statutory basis | 4条借換前倒 |
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| STRIPS principal | ¥2.4B （2026-06-30） |
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| SLF usage | last 30d —／ total ¥1B（last 2026-02-02・BOJ） |
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| BOJ Holding | ¥329.7B（15.9%）（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 | 2.1983 % |
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| Accrued Interest | 0.940274 (156 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 18.74 |
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| Macaulay Duration | 18.95 |
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| DV01 | — |
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| Convexity | 424.5 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2026-09-20 | coupon | 1.100 |
| 2027-03-20 | coupon | 1.100 |
| 2027-09-20 | coupon | 1.100 |
| …（45 omitted）… |
| 2050-09-20 | coupon | 1.100 |
| 2051-03-20 | coupon + redemption | 101.100 |
Related Auctions
Horizon total return settle 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 24.6y) | 3.992 % → ref. price 72.073 |
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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 | 3.476 | 79.132 | -0.555 | +8.91% | +35.64% |
| -25bp | 3.726 | 75.694 | -0.555 | +4.20% | +16.80% |
| Unchanged (roll-down) | 3.976 | 72.440 | -0.555 | -0.26% | -1.02% |
| +25bp | 4.226 | 69.359 | -0.555 | -4.48% | -17.90% |
| +50bp | 4.476 | 66.440 | -0.555 | -8.47% | -33.89% |
| 6m 2027-02-23 | -50bp | 3.461 | 79.483 | 1.100 | +11.66% | +23.31% |
| -25bp | 3.711 | 76.052 | 1.100 | +6.96% | +13.91% |
| Unchanged (roll-down) | 3.961 | 72.802 | 1.100 | +2.51% | +5.01% |
| +25bp | 4.211 | 69.723 | 1.100 | -1.71% | -3.42% |
| +50bp | 4.461 | 66.806 | 1.100 | -5.71% | -11.41% |
| 12m 2027-08-23 | -50bp | 3.432 | 80.160 | 2.200 | +14.09% | +14.09% |
| -25bp | 3.682 | 76.743 | 2.200 | +9.41% | +9.41% |
| Unchanged (roll-down) | 3.932 | 73.503 | 2.200 | +4.97% | +4.97% |
| +25bp | 4.182 | 70.432 | 2.200 | +0.77% | +0.77% |
| +50bp | 4.432 | 67.518 | 2.200 | -3.22% | -3.22% |