bonds / 40Y / JGB (40-Year) No. 8
Bond Information
| Name | JGB (40-Year) No. 8 |
|---|
| ISIN | — |
|---|
| Issue # | 8 |
|---|
| Coupon (%) | 1.4% semi-annual |
|---|
| Issue Date | 2015-04-27 |
|---|
| Maturity | 2055-03-20 （Remaining 28.5y） |
|---|
| Outstanding | ¥2.5T （2026-03-31・MOF） |
|---|
| Total issued | ¥2.4T （annual report, FY-end） |
|---|
| Statutory basis | 4条借換前倒財投 |
|---|
| STRIPS principal | ¥10.1B （2026-06-30） |
|---|
| SLF usage | last 30d —／ total ¥173.3B（last 2026-07-27・BOJ） |
|---|
| BOJ Holding | ¥1.3T（53.2%）（as of 2026-08-31・Source: BOJ・Ratios approximate due to differing as-of dates） |
|---|
| Status | active |
|---|
Results
Yield Calculator (price input) | Simple Yield | 1.400 % |
|---|
| Compound Yield | 1.3990 % |
|---|
| Accrued Interest | 0.678904 (177 days) per 100 |
|---|
| Settlement Amount | — |
|---|
| Modified Duration | 23.30 |
|---|
| Macaulay Duration | 23.47 |
|---|
| DV01 | — |
|---|
| Convexity | 628.2 |
|---|
Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
|---|
| 2026-09-20 | coupon | 0.700 |
| 2027-03-20 | coupon | 0.700 |
| 2027-09-20 | coupon | 0.700 |
| …（53 omitted）… |
| 2054-09-20 | coupon | 0.700 |
| 2055-03-20 | coupon + redemption | 100.700 |
Related Auctions
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 28.5y) | 4.001 % → ref. price 55.961 |
|---|
| G-spread (vs interpolated CMT) | — |
|---|
| Horizon | Scenario | Yield@H | Price@H | Carry | Total return | Ann. |
|---|
| 3m 2026-12-13 | -50bp | 3.502 | 62.441 | -0.357 | +10.81% | +43.24% |
| -25bp | 3.752 | 59.200 | -0.357 | +5.09% | +20.35% |
| Unchanged (roll-down) | 4.002 | 56.162 | -0.357 | -0.28% | -1.11% |
| +25bp | 4.252 | 53.312 | -0.357 | -5.31% | -21.23% |
| +50bp | 4.502 | 50.639 | -0.357 | -10.03% | -40.11% |
| 6m 2027-03-13 | -50bp | 3.503 | 62.622 | 0.688 | +12.97% | +25.95% |
| -25bp | 3.753 | 59.390 | 0.688 | +7.27% | +14.54% |
| Unchanged (roll-down) | 4.003 | 56.359 | 0.688 | +1.92% | +3.83% |
| +25bp | 4.253 | 53.515 | 0.688 | -3.10% | -6.21% |
| +50bp | 4.503 | 50.846 | 0.688 | -7.82% | -15.63% |
| 12m 2027-09-13 | -50bp | 3.505 | 62.988 | 1.400 | +14.88% | +14.88% |
| -25bp | 3.755 | 59.776 | 1.400 | +9.21% | +9.21% |
| Unchanged (roll-down) | 4.005 | 56.760 | 1.400 | +3.88% | +3.88% |
| +25bp | 4.255 | 53.927 | 1.400 | -1.12% | -1.12% |
| +50bp | 4.505 | 51.267 | 1.400 | -5.82% | -5.82% |