Official Result (MOF)
| Auction Date | 1986-05-09 |
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| Issue Date | 1986-05-20 |
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| Issue | JGB (4-Year) No. 22（new） |
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| Coupon (%) | 4.5% |
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| Maturity | 1990-05-21 |
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| Method | price conventional |
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| Offering | ¥350B |
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| Competitive Bids | ¥653.7B |
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| Accepted Amount | ¥350.7B |
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| Lowest Accepted Price | 99.52（4.642%） |
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| Weighted Avg Price | 99.79（4.561%） |
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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 | 1.86 | 2.34 | 2.07 | 1.12 | 4.95 | -0.20 |
| Tail (sen) | 27 | 9 | 11 | 4 | 22 | +3.58 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | E (score -1.89) | (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) | 8.1 | 3.1 |
Same-tenor Auction History