Official Result (MOF)
| Auction Date | 1999-05-11 |
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| Issue Date | 1999-05-25 |
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| Issue | JGB (6-Year) No. 31（new） |
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| Coupon (%) | 0.8% |
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| Maturity | 2005-05-20 |
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| Method | price conventional |
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| Offering | ¥1T |
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| Competitive Bids | ¥1.9T |
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| Accepted Amount | ¥995.4B |
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| Lowest Accepted Price | 100.20（0.765%） |
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| Weighted Avg Price | 100.25（0.756%） |
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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 | 1.93 | 2.39 | 2.75 | 2.25 | 3.49 | -1.77 |
| Tail (sen) | 5 | 2 | 3 | 1 | 6 | +1.29 |
| Non-competitive take-up | 0.0% | 0.0% | |
| Grade | E (score -1.53) | (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) | 0.9 | 0.4 |
Same-tenor Auction History