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Mizuho Securities

June 3, 2026

Curve Implications of Progress in Iran Peace Negotiations

Rates StrategyRates Govt BondsDerivativesCommoditiesEnergyOther

Mizuho analyzes how potential Iran peace talks and Japanese 'bridging bonds' will impact JGB yields, forecasting downward pressure on long-term rates despite persistent BOJ tightening expectations.

Key Takeaways

  • 1.Progress in Iran peace negotiations is expected to exert downward pressure on global long-term rates as oil supply concerns ease.
  • 2.The Bank of Japan (BOJ) is unlikely to pull back on rate hike expectations, with a June hike still considered highly probable despite the geopolitical easing.
  • 3.The Japanese government's proposal for 'bridging bonds' to fund growth and crisis management is seen as a negative factor for the JGB market due to supply pressure.

Table of Contents

  • Curve implications of progress in Iran peace negotiations
  • Assessing rates impact of "bridging bonds" proposal
  • DEVELOPMENTS THIS WEEK AND IMPLICATIONS FOR RATES OUTLOOK
  • SHORT-TERM OUTLOOK (ONE WEEK – ONE MONTH)
  • MEDIUM-TERM OUTLOOK (SEVERAL MONTHS – ONE YEAR)
  • Risk scenarios
  • Yen rates relative value and investment strategies
  • RELATIVE VALUE SCORE TABLES

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Authors

Noriatsu TanjiYuhi Kawano

Securities

10y JGBJPY OIS20y JGB

Themes

Geopolitical De-escalation & Rate ImpactMonetary Policy Normalization (BOJ)Fiscal Risk & Debt Issuance

Regions

Asia PacificMiddle EastNorth AmericaJapanUnited StatesIran