Geopolitical tensions escalated dramatically after the US military launched strikes against Iran and reinstated sanctions on Iranian oil sales in response to attacks on three commercial ships in the Strait of Hormuz. This action came after an interim agreement that had allowed Iran to openly sell its crude oil for US dollars was revoked, eliminating a key concession made to Iran in exchange for reopening the vital waterway. The US Treasury Department gave buyers of Iranian oil until July 17 to wind down any existing transactions.
The reintroduction of sanctions and the military strikes immediately impacted global oil markets. Brent crude prices rose 3% to $76 a barrel, while US oil surged nearly 6%, crossing the $70 mark for the first time since June 30. The US Navy-led Joint Maritime Information Center (JMIC) simultaneously raised the transit threat level for the Strait of Hormuz from "substantial" to "severe," citing a high likelihood of deliberate hostile action and advising extreme vigilance for mariners.
This escalation jeopardized the fragile ceasefire between the US and Iran, which had been implemented in late June after a three-month conflict. That agreement had allowed for increased shipping traffic through the Strait, contributing to a decline in global oil prices. However, the ceasefire had been tested repeatedly by Iranian actions against ships in the region, with Iran insisting it must control vessel routes and charge fees for passage—a stance opposed by the US and many Gulf Arab states. Qatar, a key mediator in the talks, held Iran "fully legally responsible" for the attack on its Al Rekayyat tanker.
