Oil Prices Surge: US Strikes on Iran Escalate Hormuz Tensions

Global energy markets were jolted after new U.S. military strikes on Iran were met with Tehran's decision to close the Strait of Hormuz to all maritime traffic. This escalation significantly heightened the geopolitical risk premium in the already volatile Middle East, pushing crude oil prices sharply higher. The events have deepened concerns regarding regional supply security, refocusing investor attention on the potential for supply disruptions.

The U.S. Central Command (CENTCOM) announced it had conducted additional strikes on multiple targets in Iran, responding to what it described as Iran's unwarranted and continued aggression. These attacks followed warnings from U.S. President Donald Trump that Tehran would "pay the price" and came as retaliation for the downing of a U.S. Army helicopter near the Strait of Hormuz the day prior. In response, Iran's Islamic Revolutionary Guard Corps (IRGC) declared the Strait of Hormuz closed to all vessels, including oil tankers and commercial ships, threatening to target any vessel attempting passage. U.S. military officials, however, stated that commercial ships continued to transit the strait.

Following these developments, global crude benchmarks saw significant gains. Brent crude futures rose by $2.30, or 2.47%, to $95.40 a barrel, while U.S. West Texas Intermediate (WTI) crude gained $2.60, or 2.89%, reaching $92.63 a barrel. This surge reflects the repricing of geopolitical risk in the markets. Data from the U.S. Energy Information Administration (EIA) also showed that U.S. crude inventories fell by 7.2 million barrels to 426.5 million barrels in the week ended June 5, significantly exceeding analysts' expectations for a 3-4 million barrel draw. This further fueled supply concerns. The Strait of Hormuz is a critical choke point, handling approximately one-fifth of global oil and gas shipments.

Tensions in the Middle East initially escalated in February 2026 after joint U.S. and Israeli strikes on Iran, followed by a fragile ceasefire in April. However, the latest military actions risk reigniting a full-scale conflict. The instability in the region not only poses a severe threat to global energy security but also has the potential to exacerbate inflationary pressures and slow global economic growth. Previous closures of the Strait during similar tensions have historically driven crude oil prices from around $70 to over $125 per barrel.

Analysts and market experts anticipate continued high volatility in oil markets in the coming period. Jorge Leon, Senior Vice President at Rystad Energy, estimates that oil prices could move towards $150 per barrel if hostilities fully resume. The failure of diplomatic efforts and persistent tensions between the parties could lead to long-term impacts on global supply chains and energy costs. Investors will continue to closely monitor regional developments and the trajectory of diplomatic negotiations, as any resolution or further escalation will instantly impact the markets.