Official Result (MOF)
| Auction Date | 2017-09-07 |
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| Issue Date | 2017-09-20 |
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| Issue | JGB (30-Year) No. 56（new） |
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| Coupon (%) | 0.8% |
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| Maturity | 2047-09-20 |
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| Method | price conventional |
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| Offering | ¥800B |
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| Competitive Bids | ¥2.4T |
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| Accepted Amount | ¥658.3B |
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| Lowest Accepted Price | 99.00（0.841%） |
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| Weighted Avg Price | 99.21（0.832%） |
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| Allotment Ratio | — |
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| Non-competitive I | ¥141.2B |
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| Non-competitive II | ¥3.6B |
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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56回） |
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| Legal basis | 財政法（昭和22年法律第34号）第4条第1項及び特別会計に関する法律（平成19年法律第23号）第47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 | ¥800B |
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| Bid deadline | 2017-09-07 12:00 |
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| Payment date | 2017-09-20 |
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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 | 3.67 | 3.90 | 3.37 | 2.85 | 3.90 | +1.06 |
| Tail (sen) | 21 | 10 | 17 | 7 | 40 | +0.41 |
| Non-competitive take-up | 18.0% | 22.0% | |
| Grade | B (score +0.32) | (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) | 0.9 | 0.4 |
Same-tenor Auction History