Official Result (MOF)
| Auction Date | 1997-11-28 |
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| Issue Date | 1997-12-22 |
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| Issue | JGB (2-Year) No. 143（new） |
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| Coupon (%) | 0.6% |
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| Maturity | 1999-12-20 |
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| Method | price conventional |
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| Offering | ¥120B |
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| Competitive Bids | ¥575.7B |
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| Accepted Amount | ¥119.3B |
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| Lowest Accepted Price | 100.06（0.569%） |
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| Weighted Avg Price | 100.09（0.553%） |
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| Allotment Ratio | — |
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| Non-competitive I | — |
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| Non-competitive II | — |
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Source: https://www.mof.go.jp/jgbs/reference/appendix/jgb_historical_data.xls
Derived Metrics calc auction-v1 / auction-v2
| This | Prev | avg (12) | min | max | z |
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| Bid/Cover | 4.83 | 2.64 | 2.35 | 1.78 | 2.96 | +6.86 |
| Tail (sen) | 3 | 6 | 4 | 1 | 11 | -0.47 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | A (score +3.67) | (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) | 1.6 | 3.4 |
Same-tenor Auction History