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U.S. Oil Prices Reverse Sharply, Rising 8% in an Hour as Iran Deal Doubts Grow

Market volatility intensified after reported doubts around an Axios-reported potential agreement to end the Iran war, while Iran launched a website for the "Persian Gulf Strait Authority."

Fact Check
All three core claims are independently corroborated by authoritative sources. The X post by @KobeissiLetter (the original linked source) explicitly states oil prices rose +8% in 60 minutes amid doubts over an Axios-reported Iran deal, and confirms the 'Persian Gulf Strait Authority' website launch. The Maritime Executive (May 5, 2026) and Wikipedia's 2026 Strait of Hormuz crisis article independently confirm Iran established the Persian Gulf Strait Authority on May 5, 2026. Al Jazeera's live blog and the Instagram snippet corroborate the active US-Iran deal negotiations and the oil price volatility tied to deal uncertainty. The only minor uncertainty is the precise 8% figure in 60 minutes, which comes primarily from the @KobeissiLetter post rather than a direct exchange data source, but this is consistent with the broader pattern of sharp oil price swings documented across multiple outlets during this period.
Summary

U.S. oil prices sharply reversed and rose 8% within 60 minutes, according to the source, as doubts increased over an Axios-reported potential deal to end the Iran war. The move points to heightened sensitivity in energy markets when geopolitical risks appear unresolved. The source also says Iran launched a new website called the "Persian Gulf Strait Authority," adding another development investors may view as relevant to regional shipping and oil supply concerns.

Terms & Concepts
  • Market volatility: Rapid price swings in financial markets, often driven by breaking news, uncertainty, or sudden changes in investor expectations.
  • Geopolitical risk: The possibility that political or military events disrupt markets, trade flows, or commodity supplies such as oil.
  • Oil supply concerns: Fears that production or transport could be disrupted, which can push energy prices higher in a short period.