Crude oil futures held steady in after-hours trading on Friday, but were on track for a weekly gain, as markets weighed renewed US-Iran hostilities against signs that crude supplies have so far weathered the latest escalation, while disruptions linked to the war in Ukraine added pressure to fuel markets.
Front-month West Texas Intermediate futures eased 0.12% to $91.40 per barrel, while Brent futures were up 0.67% to $96.18/bbl.
Soojin Kim, research analyst at MUFG, said oil headed for its strongest weekly gain since July as renewed US-Iran hostilities revived concerns over prolonged disruption to energy flows via the Strait of Hormuz.
On Friday, President Trump said that the US may hit Iran's Pickaxe Mountain very soon, without giving further details. Pickaxe Mountain, located near Iran's Natanz uranium enrichment facility, is a heavily fortified site that reportedly hosts two deeply buried tunnel complexes.
Iran's military said on Thursday it targeted US bases in Kuwait and the UAE, the state-run Tasnim News Agency reported. Kuwait said it responded to missile and drone threats, but the UAE hasn't announced any incidents.
The US's attacks on Iran earlier this week marked the fiercest clashes between Tehran and Washington since July. Israel also signaled preparedness to return to fighting if necessary, fueling concerns that the ongoing conflict could widen, according to media reports.
The US Treasury imposed new Iran-related sanctions on a small Turkish investment bank and two subsidiaries as the Trump administration ramps up economic pressure on Iran.
"Financial institutions continue to find out the hard way that we are serious about Operation Economic Outcast," US Treasury Secretary Scott Bessent said in a statement.
Bessent also said that since the US reinstated its blockade, no Iranian crude cargoes had successfully transited the Strait of Hormuz to China, leaving oil stranded aboard vessels inside the waterway and limiting Tehran's ability to replenish inventories.
Iran's ability to export crude has been increasingly constrained by the disruption, Treasury said, describing the combination of stranded oil, limited storage capacity and declining revenues as a growing pressure point for Tehran.
Meanwhile, Trump's envoys Steve Witkoff and Jared Kushner are set to travel to Moscow and Kyiv this weekend for talks aimed at ending the war, according to media reports. Ukrainian drone strikes on Russian energy infrastructure have squeezed global energy supplies in the recent past.
On the demand front, the price of diesel fuel hit a record Friday, as truckers in the US are paying an average of $5.85 per gallon nationwide, a 60% increase compared to the same period a year ago when diesel cost $3.71 per gallon.
ING strategists said that unless Persian Gulf and/or Russian diesel flows recover, the market is likely to tighten further as we head towards winter.
Going forward, market participants will be closely following OPEC+'s meeting on Sunday, where the producer group is expected to leave its oil output policy unchanged for October.
OPEC+ is likely to favor higher output, Bjarne Schieldrop, chief commodities analyst at SEB Research, said, adding that the prospect of further managed supply increases by the producer group adds to downside risks for oil prices in 2027/28.