Official Result (MOF)
| Auction Date | 1989-10-31 |
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| Issue Date | 1989-11-20 |
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| Issue | JGB (2-Year) No. 50（new） |
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| Coupon (%) | 4.9% |
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| Maturity | 1991-11-20 |
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| Method | price conventional |
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| Offering | ¥200B |
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| Competitive Bids | ¥295.8B |
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| Accepted Amount | ¥202.4B |
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| Lowest Accepted Price | 99.59（5.125%） |
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| Weighted Avg Price | 99.68（5.071%） |
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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 |
|---|
| Bid/Cover | 1.46 | 2.45 | 2.39 | 1.54 | 5.08 | -1.06 |
| Tail (sen) | 9 | 2 | 8 | 2 | 19 | +0.17 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | D (score -0.62) | (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) | 5.4 | 1.5 |
Same-tenor Auction History