Brent Crude Tops $83 as Reported Iranian Attack in Strait of Hormuz Stokes Supply Fears

Global oil prices climbed on Friday, with benchmark Brent crude futures rising above $83 per barrel, after media reports said Iran attacked “hostile targets” in the vital Strait of Hormuz, reigniting fears of a wider conflict that could disrupt global energy supplies.

The West Texas Intermediate (WTI) contract, the North American benchmark, neared $78 per barrel. The price surge pared earlier weekly losses and underscored the market's sensitivity to security in the world's most important oil chokepoint.

Geopolitical Tensions Escalate

The rally was triggered by a report from Iran's semi-official Fars News Agency, which stated that an attack occurred on Thursday night following an explosion near Qeshm Island in the strait. This development has heightened the geopolitical risk premium priced into oil, as markets weigh the potential for significant supply disruptions.

Adding to the uncertainty are ongoing discussions between Iran and Oman regarding a new management agreement for the strait. Tehran is reportedly seeking to:

• Ban vessels from the United States and Israel.
• Impose penalties of up to 20% of cargo value on unauthorized ships.

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This stands in stark contrast to the U.S. position, which insists on a return to pre-conflict conditions of free and unimpeded passage. “An agreement to reopen the Strait of Hormuz is still a long way off, and investors are in a state of flux,” said Rob Haworth, senior investment strategy director at U.S. Bank Wealth Management. “For now, shipping volumes remain low and the path to a lasting agreement is unclear.”

Market Impact and Outlook

As of Friday morning in Singapore, Brent crude for October delivery was up 1.4% to $83.61 per barrel, while WTI for September delivery gained 1.2% to $78.24 per barrel. The market remains highly volatile, swinging between optimism over diplomatic talks and fear of military escalation.

Beyond crude oil, analysts point to a more severe structural bottleneck in refined products like diesel and jet fuel. Even if the strait were to reopen, lost refinery capacity, depleted inventories, and logistical disruptions present a more persistent challenge. This is reflected in soaring refining margins, or crack spreads. In July, the U.S. 3-2-1 crack spread hit a record $64.58 per barrel, while European diesel crack spreads exceeded $60 per barrel, signaling acute tightness in fuel markets that could persist even if crude flows improve.