Official Result (MOF)
| Auction Date | 2009-06-09 |
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| Issue Date | 2009-06-12 |
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| Issue | JGB (30-Year) No. 30（reopen） |
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| Coupon (%) | 2.3% |
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| Maturity | 2039-03-20 |
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| Method | price conventional |
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| Offering | ¥500B |
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| Competitive Bids | ¥1.8T |
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| Accepted Amount | ¥460B |
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| Lowest Accepted Price | 100.50（2.271%） |
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| Weighted Avg Price | 100.62（2.265%） |
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| Allotment Ratio | — |
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| Non-competitive I | ¥38.8B |
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| Non-competitive II | ¥8.5B |
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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（30年）（第30回） |
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| Legal basis | 財政法（昭和22年法律第34号）第4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 | ¥500B |
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| Bid deadline | 2009-06-09 12:00 |
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| Payment date | 2009-06-12 |
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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 | 3.87 | 3.82 | 3.46 | 2.50 | 4.26 | +0.90 |
| Tail (sen) | 12 | 8 | 12 | 4 | 31 | -0.04 |
| Non-competitive take-up | 9.3% | 18.8% | |
| Grade | B (score +0.47) | (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) | 0.6 | 0.5 |
Same-tenor Auction History