bonds / 40Y / JGB (40-Year) No. 16
Bond Information
| Name | JGB (40-Year) No. 16 |
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| ISIN | — |
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| Issue # | 16 |
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| Coupon (%) | 1.3% semi-annual |
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| Issue Date | 2023-05-26 |
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| Maturity | 2063-03-20 （Remaining 36.5y） |
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| Outstanding | ¥4.4T （2026-03-31・MOF） |
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| Total issued | ¥4.4T （annual report, FY-end） |
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| Statutory basis | 4条借換前倒財投 |
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| STRIPS principal | ¥100M （2026-06-30） |
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| SLF usage | last 30d —／ total ¥200M（last 2026-01-08・BOJ） |
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| BOJ Holding | ¥663.2B（15.1%）（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 | 1.300 % |
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| Compound Yield | 1.2991 % |
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| Accrued Interest | 0.630411 (177 days) per 100 |
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| Settlement Amount | — |
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| Modified Duration | 28.84 |
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| Macaulay Duration | 29.02 |
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| DV01 | — |
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| Convexity | 979.0 |
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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 | 0.650 |
| 2027-03-20 | coupon | 0.650 |
| 2027-09-20 | coupon | 0.650 |
| …（69 omitted）… |
| 2062-09-20 | coupon | 0.650 |
| 2063-03-20 | coupon + redemption | 100.650 |
Related Auctions
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 36.5y) | 4.000 % → ref. price 48.356 |
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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 | 3.500 | 54.970 | -0.331 | +12.83% | +51.30% |
| -25bp | 3.750 | 51.616 | -0.331 | +5.98% | +23.92% |
| Unchanged (roll-down) | 4.000 | 48.520 | -0.331 | -0.34% | -1.37% |
| +25bp | 4.250 | 45.660 | -0.331 | -6.18% | -24.72% |
| +50bp | 4.500 | 43.017 | -0.331 | -11.57% | -46.30% |
| 6m 2027-03-13 | -50bp | 3.500 | 55.127 | 0.639 | +15.13% | +30.26% |
| -25bp | 3.750 | 51.776 | 0.639 | +8.29% | +16.57% |
| Unchanged (roll-down) | 4.000 | 48.681 | 0.639 | +1.97% | +3.94% |
| +25bp | 4.250 | 45.821 | 0.639 | -3.87% | -7.74% |
| +50bp | 4.500 | 43.177 | 0.639 | -9.27% | -18.54% |
| 12m 2027-09-13 | -50bp | 3.499 | 55.445 | 1.300 | +17.12% | +17.12% |
| -25bp | 3.749 | 52.099 | 1.300 | +10.29% | +10.29% |
| Unchanged (roll-down) | 3.999 | 49.006 | 1.300 | +3.98% | +3.98% |
| +25bp | 4.249 | 46.146 | 1.300 | -1.86% | -1.86% |
| +50bp | 4.499 | 43.500 | 1.300 | -7.26% | -7.26% |