Official Result (MOF)
| Auction Date | 2005-08-23 |
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| Issue Date | 2005-08-30 |
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| Issue | JGB (20-Year) No. 80（new） |
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| Coupon (%) | 2.1% |
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| Maturity | 2025-06-20 |
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| Method | price conventional |
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| Offering | ¥700B |
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| Competitive Bids | ¥2.1T |
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| Accepted Amount | ¥646.9B |
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| Lowest Accepted Price | 99.70（2.121%） |
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| Weighted Avg Price | 99.73（2.119%） |
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| Allotment Ratio | — |
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| Non-competitive I | ¥52.1B |
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| Non-competitive II | ¥64.2B |
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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（２０年）（第８０回） |
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| Legal basis | 財政法（昭和２２年法律第３４号）第４条第１項及び国債整理基金特別会計法（明治３９年法律第６号）第５条第１項 |
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| Coupon dates | 毎年６月２０日及び１２月２０日 |
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| Planned amount | — |
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| Bid deadline | — |
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| Payment date | — |
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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 | 3.27 | 2.78 | 3.93 | 2.78 | 4.53 | -1.38 |
| Tail (sen) | 3 | 6 | 5 | 2 | 12 | -0.69 |
| Non-competitive take-up | 15.2% | 7.2% | |
| Grade | D (score -0.34) | (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) | 0.2 | 0.5 |
Same-tenor Auction History