Official Result (MOF)
| Auction Date | 2006-09-21 |
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| Issue Date | 2006-09-29 |
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| Issue | JGB (20-Year) No. 90（new） |
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| Coupon (%) | 2.2% |
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| Maturity | 2026-09-20 |
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| Method | price conventional |
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| Offering | ¥800B |
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| Competitive Bids | ¥2.3T |
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| Accepted Amount | ¥731.8B |
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| Lowest Accepted Price | 99.70（2.221%） |
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| Weighted Avg Price | 99.87（2.209%） |
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| Allotment Ratio | — |
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| Non-competitive I | ¥67.7B |
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| Non-competitive II | ¥76.1B |
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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９０回） |
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| Legal basis | 財政融資資金特別会計法（昭和２６年法律第１０１号）第１１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３月２０日及び９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 | 3.13 | 2.17 | 2.61 | 2.17 | 3.11 | +1.55 |
| Tail (sen) | 17 | 23 | 12 | 2 | 35 | +0.56 |
| Non-competitive take-up | 16.4% | 8.7% | |
| Grade | B (score +0.49) | (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) | 1.2 | 1.6 |
Same-tenor Auction History