Official Result (MOF)
| Auction Date | 2010-09-14 |
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| Issue Date | 2010-09-21 |
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| Issue | JGB (20-Year) No. 121（new） |
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| Coupon (%) | 1.9% |
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| Maturity | 2030-09-20 |
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| Method | price conventional |
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| Offering | ¥1.1T |
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| Competitive Bids | ¥4.6T |
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| Accepted Amount | ¥1T |
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| Lowest Accepted Price | 99.00（1.969%） |
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| Weighted Avg Price | 99.20（1.955%） |
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| Allotment Ratio | — |
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| Non-competitive I | ¥90.4B |
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| Non-competitive II | ¥162.9B |
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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（20年）（第121回） |
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| Legal basis | 平成22年度における財政運営のための公債の発行の特例等に関する法律（平成22年法律第7号）第2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 | ¥1.1T |
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| Bid deadline | 2010-09-14 12:00 |
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| Payment date | 2010-09-21 |
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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 | 4.56 | 2.86 | 3.40 | 2.35 | 4.60 | +1.73 |
| Tail (sen) | 20 | 8 | 10 | 0 | 42 | +0.92 |
| Non-competitive take-up | 20.1% | 14.9% | |
| Grade | B (score +0.41) | (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) | 1.4 | 0.5 |
Same-tenor Auction History