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 8.6y） |
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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 ¥54.7B／ total ¥70.3B（last 2026-08-07・BOJ） |
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| BOJ Holding | ¥196.5B（16.3%）（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 | 2.300 % |
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| Compound Yield | 2.2983 % |
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| Accrued Interest | 0.983014 (156 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 7.67 |
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| Macaulay Duration | 7.76 |
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| DV01 | — |
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| Convexity | 66.7 |
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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 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 8.6y) | 2.654 % → ref. price 97.284 |
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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 | 2.120 | 101.364 | -0.580 | +3.56% | +14.25% |
| -25bp | 2.370 | 99.470 | -0.580 | +1.64% | +6.54% |
| Unchanged (roll-down) | 2.620 | 97.616 | -0.580 | -0.25% | -1.01% |
| +25bp | 2.870 | 95.801 | -0.580 | -2.10% | -8.39% |
| +50bp | 3.120 | 94.024 | -0.580 | -3.91% | -15.63% |
| 6m 2027-02-23 | -50bp | 2.085 | 101.584 | 1.150 | +5.55% | +11.09% |
| -25bp | 2.335 | 99.737 | 1.150 | +3.67% | +7.33% |
| Unchanged (roll-down) | 2.585 | 97.929 | 1.150 | +1.83% | +3.65% |
| +25bp | 2.835 | 96.157 | 1.150 | +0.02% | +0.05% |
| +50bp | 3.085 | 94.421 | 1.150 | -1.74% | -3.49% |
| 12m 2027-08-23 | -50bp | 2.005 | 102.050 | 2.300 | +7.19% | +7.19% |
| -25bp | 2.255 | 100.297 | 2.300 | +5.41% | +5.41% |
| Unchanged (roll-down) | 2.505 | 98.578 | 2.300 | +3.66% | +3.66% |
| +25bp | 2.755 | 96.892 | 2.300 | +1.94% | +1.94% |
| +50bp | 3.005 | 95.239 | 2.300 | +0.26% | +0.26% |