Official Result (MOF)
| Auction Date | 1985-02-08 |
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| Issue Date | 1985-02-20 |
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| Issue | JGB (4-Year) No. 18（new） |
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| Coupon (%) | 5.9% |
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| Maturity | 1989-02-20 |
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| Method | price conventional |
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| Offering | ¥70B |
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| Competitive Bids | ¥64.3B |
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| Accepted Amount | ¥13B |
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| Lowest Accepted Price | 97.60（6.659%） |
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| Weighted Avg Price | 97.71（6.622%） |
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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 | 4.95 | 1.53 | 1.77 | 1.39 | 3.28 | +6.11 |
| Tail (sen) | 11 | 6 | 9 | 4 | 22 | +0.49 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | A (score +2.81) | (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) | 3.7 | 2.1 |
Same-tenor Auction History