Report published June 24, 2026
20y JGB Auction Preview: Fiscal Outlook and Yield Curve Strategy (Mizuho Securities, June 2026)
Mizuho Securities · June 24, 2026
Mizuho previews the 20-year JGB auction on 25 June, balancing attractive yield levels against persistent fiscal deterioration concerns. Analysts suggest cautious positioning, specifically exploring tactical 20s30s steepeners and 20y ASW trades.
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Finvaulta summarizes Mizuho Securities's analysis. Attribute opinions, forecasts, time-sensitive values, and chronology to the issuer and report date; do not treat this page as an independent verification or a current market-data source.
Key Takeaways
- 1.The 20y JGB yield is currently 3.570%, lower than the May auction but above the 3.5% threshold, providing support.
- 2.Fiscal deterioration concerns remain a headwind, with potential supplementary budget and investment plans impacting sentiment.
- 3.Tactical steepeners or longer-term 20y asset swap (ASW) positions are suggested given the current curve environment.
Table of Contents
- (1) Positives and negatives ahead of the 20y auction
- POTENTIAL POSITIVES
- POTENTIAL NEGATIVES
- Pre-auction comment
- (2) Key charts
Report data
20y JGB yield
| Metric | Estimate | Context |
|---|---|---|
| 20y JGB Yield | 3.570 Percent | Closing yield for the 20y JGB |
Reports in this series
JGB Auction Preview is shown in chronological order through this edition, published on June 24, 2026.
Part of the JGB Auction Preview series — view all 4 editions
Looking for the latest edition? JGB Strategy (1) (Jul 13, 2026)
- May 20Mizuho- Japan- 20y JGB auction preview: Yield levels should provide support even amid ongoing concerns about the Middle East situation and fiscal deterioration 20260519
- May 21Mizuho- Fixed Income Japan- 20y JGB auction preview: Yield levels should provide support even amid ongoing concerns about the Middle East situation and fiscal deterioration
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