Iran Tightens Strait of Hormuz Control as US Blockade Disrupts Global Shipping
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Iran Tightens Strait of Hormuz Control as US Blockade Disrupts Global Shipping
Tim WatererKCM TradeFars news agency

Oil rises on Strait of Hormuz reopening concerns as Iran, with Oman, proposes banning hostile vessels and fining violators

Oil prices rose on Friday amid concerns over the Strait of Hormuz reopening, as Iran and Oman proposed banning hostile vessels and imposing fines on violators. Brent crude futures increased by 1.2% to $83.48 a barrel, while U.S. West Texas Intermediate rose by 1.1% to $78.84.

Reuters Reuters7 August 2026 · 03:16 UTC
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Oil prices have surged as concerns mount over the Strait of Hormuz, where Iran, in collaboration with Oman, is considering a ban on vessels deemed hostile. This proposal includes fines of up to 20% of cargo value for violators, according to Iranian lawmakers.1

Brent crude futures rose 1.2% to $83.48 a barrel, while U.S. West Texas Intermediate increased 1.1% to $78.84. The rise follows a week of fluctuating prices, with Brent previously dipping below $80 for the first time since July 13, as hopes for a resolution to the ongoing conflict appeared to increase.2

Tim Waterer, chief market analyst at KCM Trade, noted, “Markets have already seen at least one short-lived arrangement earlier this year, so confidence that a new pact would fully restore normal tanker movements remains low.” The proposed ban is part of a broader strategy by Iran to impose fees on vessels using the strait, with estimates ranging from 5% to 7% of cargo prices, while Oman is discussing fees around 3%. In contrast, Washington opposes any fees.57

However, four industry sources have indicated that the proposed deal may face challenges due to U.S. sanctions and restrictive insurance clauses on payments, complicating the enforcement of any new regulations.8

Key Insight
“Brent crude futures rose 99 cents to $83.48 a barrel, while WTI gained 85 cents to $78.84. Iran seeks fees of 5% to 7% of cargo value, Oman around 3%, and Washington none, but U.S. sanctions and insurance clauses complicate the deal.”
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1
ReutersReuters
“Oil continued its rise on Friday amid further concerns around the opening of the Strait of Hormuz as Iran, working with Oman, ​suggested banning vessels deemed hostile from the strait and heavily fining those ‌who violated the proposed rules.”
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