Official Result (MOF)
| Auction Date | 2025-05-15 |
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| Issue Date | 2025-05-16 |
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| Issue | JGB (5-Year) No. 178（reopen） |
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| Coupon (%) | 1% |
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| Maturity | 2030-03-20 |
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| Method | price conventional |
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| Offering | ¥2.4T |
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| Competitive Bids | ¥5.9T |
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| Accepted Amount | ¥1.8T |
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| Lowest Accepted Price | 100.03（0.993%） |
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| Weighted Avg Price | 100.09（0.980%） |
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| Allotment Ratio | — |
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| Non-competitive I | ¥564.1B |
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| Non-competitive II | ¥0M |
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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178回） |
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| Legal basis | 脱炭素成長型経済構造への円滑な移行の推進に関する法律（令和5年法律第32号）第7条第1項並びに特別会計に関する法律（平成19年法律第23号）第46条第1項及び第62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 | ¥2.4T |
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| Bid deadline | 2025-05-15 11:50 |
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| Payment date | 2025-05-16 |
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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 | 3.19 | 3.84 | 3.81 | 3.17 | 4.42 | -1.95 |
| Tail (sen) | 6 | 4 | 3 | 1 | 7 | +1.76 |
| Non-competitive take-up | 23.5% | 30.7% | |
| Grade | E (score -1.86) | (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) | 1.3 | 0.9 |
Same-tenor Auction History