bonds / 30Y / JGB (30-Year) No. 68
Bond Information
| Name | JGB (30-Year) No. 68 |
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| ISIN | — |
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| Issue # | 68 |
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| Coupon (%) | 0.6% semi-annual |
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| Issue Date | 2020-10-07 |
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| Maturity | 2050-09-20 （Remaining 24y） |
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| Outstanding | ¥2.8T （2026-03-31・MOF） |
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| Total issued | ¥3T （annual report, FY-end） |
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| Statutory basis | 4条借換前倒財投 |
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| SLF usage | last 30d ¥2.7B／ total ¥10.5B（last 2026-09-10・BOJ） |
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| BOJ Holding | ¥561.6B（20.1%）（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 | 0.600 % |
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| Compound Yield | 0.5995 % |
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| Accrued Interest | 0.290959 (177 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 22.29 |
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| Macaulay Duration | 22.36 |
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| DV01 | — |
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| Convexity | 532.4 |
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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 | 0.300 |
| 2027-03-20 | coupon | 0.300 |
| 2027-09-20 | coupon | 0.300 |
| …（44 omitted）… |
| 2050-03-20 | coupon | 0.300 |
| 2050-09-20 | coupon + redemption | 100.300 |
Related Auctions
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 24.0y) | 3.965 % → ref. price 48.158 |
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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 | 3.452 | 53.983 | -0.153 | +11.71% | +46.83% |
| -25bp | 3.702 | 51.222 | -0.153 | +6.01% | +24.04% |
| Unchanged (roll-down) | 3.952 | 48.616 | -0.153 | +0.63% | +2.53% |
| +25bp | 4.202 | 46.156 | -0.153 | -4.45% | -17.79% |
| +50bp | 4.452 | 43.833 | -0.153 | -9.24% | -36.97% |
| 6m 2027-03-13 | -50bp | 3.439 | 54.440 | 0.295 | +13.58% | +27.15% |
| -25bp | 3.689 | 51.679 | 0.295 | +7.88% | +15.76% |
| Unchanged (roll-down) | 3.939 | 49.072 | 0.295 | +2.50% | +4.99% |
| +25bp | 4.189 | 46.609 | 0.295 | -2.59% | -5.18% |
| +50bp | 4.439 | 44.282 | 0.295 | -7.39% | -14.78% |
| 12m 2027-09-13 | -50bp | 3.412 | 55.378 | 0.600 | +16.14% | +16.14% |
| -25bp | 3.662 | 52.618 | 0.600 | +10.45% | +10.45% |
| Unchanged (roll-down) | 3.912 | 50.009 | 0.600 | +5.06% | +5.06% |
| +25bp | 4.162 | 47.541 | 0.600 | -0.03% | -0.03% |
| +50bp | 4.412 | 45.207 | 0.600 | -4.85% | -4.85% |