bonds / 20Y / JGB (20-Year) No. 122
Bond Information
| Name | JGB (20-Year) No. 122 |
|---|
| ISIN | — |
|---|
| Issue # | 122 |
|---|
| Coupon (%) | 1.8% semi-annual |
|---|
| Issue Date | 2010-10-26 |
|---|
| Maturity | 2030-09-20 （Remaining 4y） |
|---|
| Outstanding | ¥1.7T （2026-03-31・MOF） |
|---|
| Total issued | ¥1.7T （annual report, FY-end） |
|---|
| Statutory basis | 特例借換前倒財投 |
|---|
| SLF usage | last 30d —／ total ¥32.4B（last 2026-03-06・BOJ） |
|---|
| BOJ Holding | ¥1.1T（66.0%）（as of 2026-08-31・Source: BOJ・Ratios approximate due to differing as-of dates） |
|---|
| Status | active |
|---|
Results
Yield Calculator (price input) | Simple Yield | 1.800 % |
|---|
| Compound Yield | 1.7969 % |
|---|
| Accrued Interest | 0.872877 (177 days) per 100 |
|---|
| Settlement Amount | — |
|---|
| Modified Duration | 3.83 |
|---|
| Macaulay Duration | 3.86 |
|---|
| DV01 | — |
|---|
| Convexity | 17.0 |
|---|
Estimates based on the input price.
Cashflow Schedule
| Date | Type | Amount (per 100) |
|---|
| 2026-09-20 | coupon | 0.900 |
| 2027-03-20 | coupon | 0.900 |
| 2027-09-20 | coupon | 0.900 |
| …（4 omitted）… |
| 2030-03-20 | coupon | 0.900 |
| 2030-09-20 | coupon + redemption | 100.900 |
Related Auctions
| Auction Date | | Bid/Cover | Tail (sen) | Avg Yield (%) |
|---|
| 2010-10-21 | new | 4.41 | 4 | 1.770 |
Horizon total return settle 2026-09-13 ・ CMT 2026-09-10
| CMT interpolated (rem 4.0y) | 2.126 % → ref. price 98.736 |
|---|
| G-spread (vs interpolated CMT) | — |
|---|
| Horizon | Scenario | Yield@H | Price@H | Carry | Total return | Ann. |
|---|
| 3m 2026-12-13 | -50bp | 1.585 | 100.779 | -0.459 | +1.59% | +6.36% |
| -25bp | 1.835 | 99.867 | -0.459 | +0.67% | +2.70% |
| Unchanged (roll-down) | 2.085 | 98.965 | -0.459 | -0.23% | -0.92% |
| +25bp | 2.335 | 98.073 | -0.459 | -1.13% | -4.51% |
| +50bp | 2.585 | 97.190 | -0.459 | -2.01% | -8.05% |
| 6m 2027-03-13 | -50bp | 1.543 | 100.874 | 0.885 | +3.03% | +6.07% |
| -25bp | 1.793 | 100.019 | 0.885 | +2.18% | +4.35% |
| Unchanged (roll-down) | 2.043 | 99.172 | 0.885 | +1.33% | +2.65% |
| +25bp | 2.293 | 98.334 | 0.885 | +0.48% | +0.97% |
| +50bp | 2.543 | 97.504 | 0.885 | -0.35% | -0.70% |
| 12m 2027-09-13 | -50bp | 1.457 | 100.997 | 1.800 | +4.08% | +4.08% |
| -25bp | 1.707 | 100.259 | 1.800 | +3.34% | +3.34% |
| Unchanged (roll-down) | 1.957 | 99.528 | 1.800 | +2.60% | +2.60% |
| +25bp | 2.207 | 98.803 | 1.800 | +1.87% | +1.87% |
| +50bp | 2.457 | 98.084 | 1.800 | +1.15% | +1.15% |