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Mizuho Securities

July 13, 2026

20y JGB Auction Preview

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This report previews the 20y JGB auction scheduled for 14 July 2026, highlighting trade recommendations such as 10s20s flatteners. It contrasts high absolute yield incentives against ongoing fiscal policy concerns and Middle East geopolitical tensions.

Key Takeaways

  • 1.The 20y JGB auction faces a tug-of-war between high absolute yields/favorable technicals and persistent fiscal deterioration concerns and geopolitical risk in the Middle East.
  • 2.Tactical 10s20s flatteners and longer-term 20y asset swap longs are suggested strategies, though positions should be managed for short-term exit to mitigate negative carry.

Table of Contents

  • Positives and negatives ahead of the 20y auction
  • POTENTIAL POSITIVES
  • POTENTIAL NEGATIVES
  • Pre-auction comment
  • TACTICAL 10S20S FLATTENERS, LONGER-TERM 20Y ASW LONGS
  • Key charts

Document Preview

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Authors

Yuhi Kawano

Securities

20y JGB

Themes

Fiscal Deterioration RiskGeopolitical InstabilityRelative Value Strategy

Regions

Asia PacificMiddle EastJapanIranUnited States