Official Result (MOF)
| Auction Date | 1991-04-26 |
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| Issue Date | 1991-05-20 |
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| Issue | JGB (2-Year) No. 66（new） |
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| Coupon (%) | 6.4% |
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| Maturity | 1993-05-20 |
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| Method | price conventional |
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| Offering | ¥100B |
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| Competitive Bids | ¥230.9B |
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| Accepted Amount | ¥101.1B |
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| Lowest Accepted Price | 99.80（6.512%） |
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| Weighted Avg Price | 99.86（6.476%） |
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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 | 2.28 | 1.49 | 2.17 | 1.49 | 3.74 | +0.16 |
| Tail (sen) | 6 | 8 | 8 | 2 | 18 | -0.49 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | B (score +0.33) | (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) | 3.6 | 4.7 |
Same-tenor Auction History