Official Result (MOF)
| Auction Date | 1998-06-02 |
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| Issue Date | 1998-06-22 |
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| Issue | JGB (4-Year) No. 50（new） |
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| Coupon (%) | 0.8% |
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| Maturity | 2002-06-20 |
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| Method | price conventional |
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| Offering | ¥500B |
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| Competitive Bids | ¥1.6T |
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| Accepted Amount | ¥496.9B |
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| Lowest Accepted Price | 99.86（0.836%） |
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| Weighted Avg Price | 99.90（0.825%） |
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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 | 3.12 | 2.64 | 2.62 | 1.82 | 3.36 | +1.07 |
| Tail (sen) | 4 | 3 | 6 | 3 | 14 | -0.51 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | B (score +0.79) | (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) | 1.1 | 0.8 |
Same-tenor Auction History