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Mizuho Securities

July 14, 2026

Implications of Re-escalating US-Iran Tensions for Japanese Markets and Economy

Macro ThematicCommoditiesMacro Economic IndicatorsEnergy

Escalating tensions between the US and Iran over the Strait of Hormuz have heightened regional risk and oil price volatility. Despite this, Mizuho expects the impact on the Japanese economy to be limited barring a major conflict.

Key Takeaways

  • 1.Rising US-Iran tensions over the Strait of Hormuz have increased the risk of regional conflict, leading to higher crude oil price volatility.
  • 2.Diplomatic efforts by mediators like Oman and Qatar remain active, which currently prevents a worst-case full-scale war scenario.
  • 3.Impact on the Japanese economy is expected to be limited as long as the conflict remains contained and crude oil prices stay within expected ranges.

Table of Contents

  • Implications of re-escalating US-Iran tensions for Japanese markets and economy
  • Important Disclosure Information
  • Analyst Certification
  • Disclaimer

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