Oil prices rose on Monday, August 17, 2026, as fading expectations of a United States-Iran peace breakthrough and slower tanker traffic through the Strait of Hormuz reinforced geopolitical risk concerns in the market.
Brent crude futures rose as much as 1% to $89.40 per barrel and were last trading up 72 cents at $89.20 by 0229 GMT, while the U.S. West Texas Intermediate crude futures rose 44 cents to $82.83 a barrel.
Both contracts gained more than 5% last week following attacks on tankers operated by Abu Dhabi National Oil Company in the Hormuz and on a Saudi Aramco refinery.
Over the weekend, Iranian Foreign Minister Abbas Araqchi said Iran had not decided to resume talks with the U.S. while U.S. President Donald Trump urged Americans to accept slightly higher gasoline prices while the conflict continues.
The head of market insights for Phillip Nova, Priyanka Sachdeva, said: “Oil prices have now rebounded almost completely from the lows seen in early August, as hopes for a more permanent resolution between the U.S. and Iran have faded and geopolitical risk premiums have returned to the market.
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“However, I see limited upside from here unless we get clear evidence of renewed aggression in the Strait of Hormuz, particularly material damage to tankers or oil infrastructure.”
Data showed on Monday that shipping through the Strait of Hormuz slowed over the weekend, following attacks on tankers.
Tracking data from Kpler showed that five commodity vessels transited the strait on Saturday, with none registered for Sunday.
The United Arab Emirates (UAE) accused Iran of attacking a third vessel operated by ADNOC that was transiting the strait on Friday, the Emirati state news agency WAM reported, after blaming it for two other incidents involving ADNOC vessels in the strait on Thursday evening.
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