Official Result (MOF)
| Auction Date | 1983-07-14 |
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| Issue Date | 1983-07-28 |
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| Issue | JGB (4-Year) No. 13（new） |
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| Coupon (%) | 7% |
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| Maturity | 1987-07-20 |
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| Method | price conventional |
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| Offering | ¥150B |
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| Competitive Bids | ¥285.9B |
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| Accepted Amount | ¥156.6B |
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| Lowest Accepted Price | 98.95（7.340%） |
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| Weighted Avg Price | 98.99（7.326%） |
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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 | 1.83 | 1.42 | 2.45 | 1.39 | 6.94 | -0.37 |
| Tail (sen) | 4 | 7 | 9 | 4 | 21 | -0.93 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | C (score +0.28) | (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) | 1.4 | 2.4 |
Same-tenor Auction History