bonds / 40Y / JGB (40-Year) No. 18
Bond Information
| Name | JGB (40-Year) No. 18 |
|---|
| ISIN | — |
|---|
| Issue # | 18 |
|---|
| Coupon (%) | 3.1% semi-annual |
|---|
| Issue Date | 2025-05-29 |
|---|
| Maturity | 2065-03-20 （Remaining 38.4y） |
|---|
| Outstanding | ¥2.7T （2026-03-31・MOF） |
|---|
| STRIPS principal | ¥300M （2026-09-30） |
|---|
| SLF usage | last 30d —／ total ¥108.6B（last 2026-06-18・BOJ） |
|---|
| BOJ Holding | ¥146.8B（5.4%）（as of 2026-10-20・Source: BOJ・Ratios approximate due to differing as-of dates） |
|---|
| Status | active |
|---|
Results
Yield Calculator (price input) | Simple Yield | 3.100 % |
|---|
| Compound Yield | 3.0980 % |
|---|
| Accrued Interest | 0.322740 (38 days) per 100 |
|---|
| Settlement Amount | — |
|---|
| Modified Duration | 22.30 |
|---|
| Macaulay Duration | 22.65 |
|---|
| DV01 | — |
|---|
| Convexity | 692.3 |
|---|
Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
|---|
| 2027-03-20 | coupon | 1.550 |
| 2027-09-20 | coupon | 1.550 |
| 2028-03-20 | coupon | 1.550 |
| …（72 omitted）… |
| 2064-09-20 | coupon | 1.550 |
| 2065-03-20 | coupon + redemption | 101.550 |
Related Auctions
Horizon total return settle 2026-10-28 ・ CMT 2026-10-23
| CMT interpolated (rem 38.4y) | 3.910 % → ref. price 83.926 |
|---|
| G-spread (vs interpolated CMT) | — |
|---|
| Horizon | Scenario | Yield@H | Price@H | Carry | Total return | Ann. |
|---|
| 3m 2027-01-28 | -50bp | 3.410 | 93.374 | 0.781 | +12.14% | +48.56% |
| -25bp | 3.660 | 88.496 | 0.781 | +6.35% | +25.41% |
| Unchanged (roll-down) | 3.910 | 83.974 | 0.781 | +0.98% | +3.94% |
| +25bp | 4.160 | 79.778 | 0.781 | -4.00% | -15.98% |
| +50bp | 4.410 | 75.882 | 0.781 | -8.62% | -34.48% |
| 6m 2027-04-28 | -50bp | 3.410 | 93.385 | 1.558 | +13.08% | +26.15% |
| -25bp | 3.660 | 88.521 | 1.558 | +7.30% | +14.61% |
| Unchanged (roll-down) | 3.910 | 84.010 | 1.558 | +1.95% | +3.90% |
| +25bp | 4.160 | 79.823 | 1.558 | -3.02% | -6.04% |
| +50bp | 4.410 | 75.933 | 1.558 | -7.64% | -15.28% |
| 12m 2027-10-28 | -50bp | 3.409 | 93.447 | 3.100 | +14.98% | +14.98% |
| -25bp | 3.659 | 88.611 | 3.100 | +9.24% | +9.24% |
| Unchanged (roll-down) | 3.909 | 84.122 | 3.100 | +3.91% | +3.91% |
| +25bp | 4.159 | 79.952 | 3.100 | -1.04% | -1.04% |
| +50bp | 4.409 | 76.076 | 3.100 | -5.64% | -5.64% |