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 8.4y） |
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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 （2026-09-30） |
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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 2026-10-20・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 | 2.300 % |
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| Compound Yield | 2.2994 % |
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| Accrued Interest | 0.239452 (38 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 7.58 |
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| Macaulay Duration | 7.67 |
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| DV01 | — |
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| Convexity | 64.7 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2027-03-20 | coupon | 1.150 |
| 2027-09-20 | coupon | 1.150 |
| 2028-03-20 | coupon | 1.150 |
| …（12 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 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 8.4y) | 2.630 % → ref. price 97.523 |
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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 | 2.098 | 101.502 | 0.580 | +4.66% | +18.65% |
| -25bp | 2.348 | 99.643 | 0.580 | +2.76% | +11.05% |
| Unchanged (roll-down) | 2.598 | 97.821 | 0.580 | +0.90% | +3.59% |
| +25bp | 2.848 | 96.038 | 0.580 | -0.93% | -3.71% |
| +50bp | 3.098 | 94.290 | 0.580 | -2.71% | -10.85% |
| 6m 2027-04-28 | -50bp | 2.064 | 101.699 | 1.156 | +5.45% | +10.91% |
| -25bp | 2.314 | 99.887 | 1.156 | +3.60% | +7.20% |
| Unchanged (roll-down) | 2.564 | 98.110 | 1.156 | +1.78% | +3.57% |
| +25bp | 2.814 | 96.369 | 1.156 | +0.00% | +0.01% |
| +50bp | 3.064 | 94.663 | 1.156 | -1.74% | -3.49% |
| 12m 2027-10-28 | -50bp | 1.988 | 102.135 | 2.300 | +7.07% | +7.07% |
| -25bp | 2.238 | 100.419 | 2.300 | +5.31% | +5.31% |
| Unchanged (roll-down) | 2.488 | 98.735 | 2.300 | +3.59% | +3.59% |
| +25bp | 2.738 | 97.083 | 2.300 | +1.90% | +1.90% |
| +50bp | 2.988 | 95.462 | 2.300 | +0.24% | +0.24% |