Official Result (MOF)
| Auction Date | 2026-04-09 |
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| Issue Date | 2026-04-10 |
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| Issue | JGB (5-Year) No. 184（new） |
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| Coupon (%) | 1.8% |
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| Maturity | 2031-03-20 |
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| Method | price conventional |
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| Offering | ¥2.5T |
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| Competitive Bids | ¥6.8T |
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| Accepted Amount | ¥1.9T |
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| Lowest Accepted Price | 99.84（1.835%） |
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| Weighted Avg Price | 99.88（1.826%） |
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| Allotment Ratio | — |
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| Non-competitive I | ¥599.7B |
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| Non-competitive II | ¥43.9B |
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Source: https://www.mof.go.jp/jgbs/reference/appendix/jgb_historical_data.xls
Offering Terms (from MOF notice) documents →
| Official name | 利付国庫債券（5年）（第184回） |
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| Legal basis | 特別会計に関する法律（平成19年法律第23号）第46条第1項 |
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| Coupon dates | 毎年3月20日及び9月20日 |
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| Planned amount | ¥2.5T |
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| Bid deadline | 2026-04-09 11:50 |
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| Payment date | 2026-04-10 |
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| Non-competitive II | held |
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| Price terms | — |
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Derived Metrics calc auction-v1 / auction-v2
| This | Prev | avg (12) | min | max | z |
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| Bid/Cover | 3.58 | 3.69 | 3.49 | 2.96 | 4.58 | +0.22 |
| Tail (sen) | 4 | 1 | 4 | 1 | 6 | +0.17 |
| Non-competitive take-up | 25.3% | 30.0% | |
| Grade | C (score +0.03) | (z(B/C) − z(tail))/2 bucketed A(≥1)/B(≥0.3)/C/D(≤−0.3)/E(≤−1), vs last 12 same-tenor |
| Yield tail (bp) | 0.9 | 0.3 |
Same-tenor Auction History