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Mizuho Securities

July 1, 2026

10y JGB Auction Preview

Rates StrategyRates Govt BondsOther

Mizuho Securities presents a preview of the upcoming 10y JGB auction, balancing yield-based incentives against market anxiety surrounding Japanese fiscal policy. The report recommends a cautious approach using 7s10s flatteners.

Key Takeaways

  • 1.The MOF will auction approximately JPY 2.6 trillion of the new 10y JGB (JB383).
  • 2.Potential demand exists due to absolute yield levels and current curve cheapness, though reflationary policy concerns persist.
  • 3.Strategists recommend focusing on 7s10s flatteners as a relative value play, given caution regarding potential upward pressure on long-term rates.

Table of Contents

  • (1) Positives and negatives ahead of the 10y auction
  • (2) Auction strategy
  • (3) Key charts

Document Preview

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Page 1 of 10y JGB Auction Preview
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