bonds / 30Y / JGB (30-Year) No. 18
Bond Information
| Name | JGB (30-Year) No. 18 |
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| ISIN | — |
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| Issue # | 18 |
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| Coupon (%) | 2.3% semi-annual |
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| Issue Date | 2005-04-20 |
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| Maturity | 2035-03-20 （Remaining 8.5y） |
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| Outstanding | ¥1.2T （2026-03-31・MOF） |
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| Total issued | ¥1.3T （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 | ¥900M （2026-06-30） |
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| SLF usage | last 30d —／ total ¥70.3B（last 2026-08-07・BOJ） |
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| BOJ Holding | ¥196.5B（16.3%）（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 | 2.300 % |
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| Compound Yield | 2.2983 % |
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| Accrued Interest | 1.115342 (177 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 7.61 |
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| Macaulay Duration | 7.70 |
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| DV01 | — |
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| Convexity | 65.8 |
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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 | 1.150 |
| 2027-03-20 | coupon | 1.150 |
| 2027-09-20 | coupon | 1.150 |
| …（13 omitted）… |
| 2034-09-20 | coupon | 1.150 |
| 2035-03-20 | coupon + redemption | 101.150 |
Related Auctions
| Auction Date | | Bid/Cover | Tail (sen) | Avg Yield (%) |
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| 2005-04-14 | new | 4.21 | — | 2.345 |
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 8.5y) | 2.717 % → ref. price 96.831 |
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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 | 2.184 | 100.867 | -0.586 | +3.52% | +14.09% |
| -25bp | 2.434 | 98.995 | -0.586 | +1.61% | +6.44% |
| Unchanged (roll-down) | 2.684 | 97.161 | -0.586 | -0.26% | -1.04% |
| +25bp | 2.934 | 95.366 | -0.586 | -2.09% | -8.37% |
| +50bp | 3.184 | 93.609 | -0.586 | -3.89% | -15.55% |
| 6m 2027-03-13 | -50bp | 2.152 | 101.086 | 1.131 | +5.50% | +11.00% |
| -25bp | 2.402 | 99.260 | 1.131 | +3.63% | +7.27% |
| Unchanged (roll-down) | 2.652 | 97.471 | 1.131 | +1.81% | +3.62% |
| +25bp | 2.902 | 95.718 | 1.131 | +0.02% | +0.04% |
| +50bp | 3.152 | 94.000 | 1.131 | -1.74% | -3.47% |
| 12m 2027-09-13 | -50bp | 2.068 | 101.598 | 2.300 | +7.21% | +7.21% |
| -25bp | 2.318 | 99.866 | 2.300 | +5.45% | +5.45% |
| Unchanged (roll-down) | 2.568 | 98.167 | 2.300 | +3.71% | +3.71% |
| +25bp | 2.818 | 96.501 | 2.300 | +2.01% | +2.01% |
| +50bp | 3.068 | 94.866 | 2.300 | +0.34% | +0.34% |