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Mizuho Securities

May 26, 2026

40y JGB Auction Preview

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Mizuho evaluates the upcoming 40y JGB auction, suggesting outright longs are compelling as yields exceed 4% and issuance levels drop, despite geopolitical and fiscal uncertainties.

Key Takeaways

  • 1.The Ministry of Finance (MOF) is scheduled to auction approximately JPY300 billion of a new 40y JGB (JU19).
  • 2.Absolute yield levels above 4% are likely to induce demand from investors focused on absolute income, despite recent market volatility.
  • 3.Issuance has been significantly reduced, dropping from JPY700 billion in March 2025 to JPY300 billion per auction currently.

Table of Contents

  • (1) Positives and negatives ahead of the 40y auction
  • POTENTIAL POSITIVES
  • POTENTIAL NEGATIVES
  • Pre-auction comment
  • OUTRIGHT LONGS

Document Preview

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Page 1 of 40y JGB Auction Preview
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