EMEA crude futures fell in after-hours trading on Monday as markets weighed the potential impact of tougher US sanctions on Iran against signs that some crude shipments through the Strait of Hormuz may be recovering.
Brent crude futures slipped 1.8% to $92.67 per barrel, while Murban crude futures were down 2.2% to $101.18/bbl.
"Treasury Secretary Scott Bessent is expected to unveil the measures and press US allies to participate," Saxo Bank strategists said on Monday, adding that it remains unclear how Washington can meaningfully increase the pressure on Tehran without targeting China, the main buyer of Iranian crude.
Secretary Bessent is set to unveil a new package of sanctions against Iran later Monday as Washington plans to sever every economic lifeline for Tehran.
"We are now entering the endgame. At dawn begins an economic D-Day - the single greatest financial offensive ever marshaled against an adversary," Bessent said in a social media post on X on Sunday.
President Trump has also threatened to impose sanctions on Iran's trading partners. Last week, Trump said that the US will launch what he called the "most crushing economic operation ever taken against any country" against Iran.
The US president has identified oil smuggling, currency swap lines, cash transfers, exchange houses, ship registries and front companies as channels he wants shut down immediately.
Iran has condemned US plans to announce new sanctions and vowed to retaliate against any country that supports Washington, as President Masoud Pezeshkian has called for a diplomatic solution.
On Monday, Pakistan Army Chief Asim Munir visited Iran to promote regional peace and stability amid heightened tensions between the US and Iran.
Speaking during the meeting with Munir, Iranian Speaker of Parliament Mohammad Baqer Qalibaf said Tehran is pursuing implementation of the MOU with Washington and blamed the US for the ongoing instability in the region.
Omani Foreign Minister Sayyid Badr Albusaidi is reportedly set to visit Iran on Tuesday for bilateral talks with Iranian Foreign Minister Abbas Araghchi. Araghchi also dismissed the threat of new sanctions, calling it a "desperate" ploy that is set to fail just like the blockade.
Meanwhile, Iran's Persian Gulf Strait Authority said on Sunday it had blacklisted 45 tankers for violating its transit rules in the Hormuz, noting that the vessels could face penalties, including "fines, seizure, or confiscation" during future passages.
Commercial vessel traffic through the Hormuz and Bab el-Mandeb remained resilient last week, the latest data from Kpler showing 121 crossings, a 2.5% increase from 118 the previous week, while Bab el-Mandeb reported 269 crossings, up 3.1%.