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Westpac Economics

June 16, 2026

Middle East Scenarios Bulletin

Macro ThematicCommoditiesMacro Economic IndicatorsEnergy

The report analyzes the economic impact of the recently signed US-Iran deal concerning the Strait of Hormuz. It outlines two scenarios—benign and adverse—evaluating the trajectory for oil prices, inflation, and growth in Australia and New Zealand.

Key Takeaways

  • 1.A US-Iran deal has been reached to extend the ceasefire and reopen the Strait of Hormuz, though full recovery of shipping and production will be gradual.
  • 2.The report presents two scenarios: a benign path where prices trend toward $60/bbl by end-2027, and an adverse path where prices exceed $155/bbl due to prolonged disruption.
  • 3.Australian and New Zealand economies face significant sensitivity to energy prices; an adverse scenario could drive Australian inflation to nearly 6%.

Table of Contents

  • Key points
  • Strait of Hormuz reopens but path to normal uncertain
  • Benign scenario: Faster rebound in supply
  • Economic impact
  • Adverse scenario: Deal tested, disruption persists
  • Oil prices lift to an average US$155p/b in Q3
  • Corporate Directory
  • Things you should know
  • Disclaimer

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Authors

Sian Fenner

Securities

Brent Crude Oil

Themes

Geopolitical RiskSupply Chain Normalization

Regions

Middle EastAsia PacificUnited StatesIranAustralia