Official Result (MOF)
| Auction Date | 1998-07-08 |
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| Issue Date | 1998-07-21 |
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| Issue | JGB (20-Year) No. 40（new） |
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| Coupon (%) | 2.3% |
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| Maturity | 2018-09-20 |
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| Method | price conventional |
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| Offering | ¥600B |
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| Competitive Bids | ¥1.1T |
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| Accepted Amount | ¥599.3B |
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| Lowest Accepted Price | 99.80（2.314%） |
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| Weighted Avg Price | 99.91（2.306%） |
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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 | 1.87 | 2.20 | 3.03 | 2.20 | 4.56 | -1.51 |
| Tail (sen) | 11 | 12 | 9 | 3 | 23 | +0.27 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | D (score -0.89) | (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) | 0.8 | 0.9 |
Same-tenor Auction History