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auctions / 30Y / 2025-10-07

Official Result (MOF)

Auction Date2025-10-07
Issue Date2025-10-08
IssueJGB (30-Year) No. 88(new)
Coupon (%)3.2%
Maturity2055-09-20
Methodprice conventional
Offering¥700B
Competitive Bids¥1.8T
Accepted Amount¥536.8B
Lowest Accepted Price99.10(3.259%)
Weighted Avg Price99.27(3.248%)
Allotment Ratio
Non-competitive I¥162.8B
Non-competitive II¥51.5B

Source: https://www.mof.go.jp/jgbs/reference/appendix/jgb_historical_data.xls

Offering Terms (from MOF notice) documents →

Official name利付国庫債券(30年)(第88回)
Legal basis財政法(昭和22年法律第34号)第4条第1項並びに特別会計に関する法律(平成19年法律第23号)第46条第1項、第47条第1項及び第62条第1項
Coupon dates毎年3月20日及び9月20日
Planned amount¥700B
Bid deadline2025-10-07 11:50
Payment date2025-10-08
Non-competitive IIheld
Price terms

Derived Metrics calc auction-v1 / auction-v2

ThisPrevavg (12)minmaxz
Bid/Cover3.413.313.372.923.74+0.15
Tail (sen)171823275-0.30
Non-competitive take-up28.5%30.3%
GradeC (score +0.23)(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)1.11.3

Same-tenor Auction History

3.003.502024-102025-022025-062025-10
Auction DateIssueBid/CoverTail (sen)Avg Yield (%)
2025-10-07JGB (30-Year) No. 883.41173.248
2025-09-04JGB (30-Year) No. 873.31183.264
2025-08-07JGB (30-Year) No. 873.43153.089
2025-07-03JGB (30-Year) No. 873.58312.808
2025-06-05JGB (30-Year) No. 862.92492.904
2025-05-13JGB (30-Year) No. 863.07302.941
2025-04-08JGB (30-Year) No. 862.96752.414
2025-03-06JGB (30-Year) No. 853.50122.500
2025-02-06JGB (30-Year) No. 853.7472.290
2025-01-09JGB (30-Year) No. 853.7222.304
2024-12-05JGB (30-Year) No. 843.46122.287
2024-11-13JGB (30-Year) No. 843.44152.271
2024-10-08JGB (30-Year) No. 843.34102.152