bonds / 20Y / JGB (20-Year) No. 138
Bond Information
| Name | JGB (20-Year) No. 138 |
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| ISIN | — |
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| Issue # | 138 |
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| Coupon (%) | 1.5% semi-annual |
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| Issue Date | 2012-07-30 |
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| Maturity | 2032-06-20 （Remaining 5.8y） |
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| Outstanding | ¥1.8T （2026-03-31・MOF） |
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| Total issued | ¥1.6T （annual report, FY-end） |
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| Statutory basis | 4条借換前倒 |
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| SLF usage | last 30d —／ total ¥52.4B（last 2026-01-06・BOJ） |
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| BOJ Holding | ¥1.1T（61.6%）（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 | 1.500 % |
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| Compound Yield | 1.4985 % |
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| Accrued Interest | 0.263014 (64 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 5.55 |
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| Macaulay Duration | 5.59 |
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| DV01 | — |
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| Convexity | 34.4 |
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Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
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| 2026-12-20 | coupon | 0.750 |
| 2027-06-20 | coupon | 0.750 |
| 2027-12-20 | coupon | 0.750 |
| …（7 omitted）… |
| 2031-12-20 | coupon | 0.750 |
| 2032-06-20 | coupon + redemption | 100.750 |
Related Auctions
| Auction Date | | Bid/Cover | Tail (sen) | Avg Yield (%) |
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| 2012-07-26 | new | 3.32 | 5 | 1.552 |
Horizon total return settle 2026-08-23 ・ CMT 2026-08-20
| CMT interpolated (rem 5.8y) | 2.244 % → ref. price 95.945 |
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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 | 1.709 | 98.887 | 0.378 | +3.45% | +13.80% |
| -25bp | 1.959 | 97.580 | 0.378 | +2.09% | +8.37% |
| Unchanged (roll-down) | 2.209 | 96.292 | 0.378 | +0.75% | +3.02% |
| +25bp | 2.459 | 95.024 | 0.378 | -0.56% | -2.26% |
| +50bp | 2.709 | 93.774 | 0.378 | -1.86% | -7.45% |
| 6m 2027-02-23 | -50bp | 1.673 | 99.117 | 0.754 | +4.08% | +8.16% |
| -25bp | 1.923 | 97.863 | 0.754 | +2.78% | +5.55% |
| Unchanged (roll-down) | 2.173 | 96.627 | 0.754 | +1.49% | +2.99% |
| +25bp | 2.423 | 95.409 | 0.754 | +0.23% | +0.45% |
| +50bp | 2.673 | 94.207 | 0.754 | -1.02% | -2.04% |
| 12m 2027-08-23 | -50bp | 1.605 | 99.506 | 1.500 | +5.26% | +5.26% |
| -25bp | 1.855 | 98.359 | 1.500 | +4.07% | +4.07% |
| Unchanged (roll-down) | 2.105 | 97.227 | 1.500 | +2.89% | +2.89% |
| +25bp | 2.355 | 96.110 | 1.500 | +1.73% | +1.73% |
| +50bp | 2.605 | 95.007 | 1.500 | +0.58% | +0.58% |