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Mizuho Securities

June 24, 2026

20y JGB Auction Preview

Rates StrategyRates Govt BondsDerivativesOther

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.

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
  • Important Disclosure Information
  • Analyst Certification
  • Disclaimer

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