Oil Surges Past $100 as Iran War Disrupts Strait of Hormuz Supply

Oil Prices Soar Past $100 as Strait of Hormuz Closure Disrupts Global Supply

Crude oil prices jumped above $100 per barrel on Sunday, fueled by escalating tensions in the Middle East and the effective closure of the Strait of Hormuz, a critical chokepoint for global energy shipments. West Texas Intermediate (WTI) crude climbed 17% to $106.22 per barrel, while the global benchmark, Brent crude rose 15% to $106.92. The surge marks the largest weekly increase in WTI futures trading since 1983, with prices climbing roughly 35% over the past week. The last time oil consistently traded above $100 was following Russia’s invasion of Ukraine in 2022.

The Immediate Trigger: Iran’s Actions and Production Cuts

The price spike follows joint military strikes by the United States and Israel on Iran on February 28, 2026, which included the killing of Iran’s supreme leader, Ali Khamenei. In response, Iran declared the Strait of Hormuz closed to navigation, threatening vessels with attack. This closure has prompted precautionary production cuts from several major oil producers in the Gulf region. Kuwait, the fifth-largest producer in OPEC, announced cuts to both oil production and refinery output, citing threats to safe passage through the Strait. Iraq, the second-biggest OPEC producer, has seen a dramatic 70% collapse in production from its southern oilfields, falling to 1.3 million barrels per day from a pre-war level of 4.3 million bpd, according to industry officials reported by Reuters. The United Arab Emirates is also “carefully managing offshore production levels” due to storage constraints.

Why the Strait of Hormuz Matters: A Global Energy Lifeline

The Strait of Hormuz, a narrow waterway separating Iran and Oman, is a vital artery for global oil trade. Approximately 20% of the world’s oil consumption passes through this strategic passage, according to the International Energy Agency. At its narrowest point, the Strait is only 54 kilometers (approximately 34 miles) wide, with the shipping lane itself just 3.7 kilometers (2.3 miles) across. This makes it particularly vulnerable to disruption, as demonstrated by the current crisis. The closure is causing a buildup of oil with nowhere to go, as tankers are hesitant to risk transit through the area.

Trump’s Response and the Broader Geopolitical Context

The escalating situation has drawn a response from former President Donald Trump, who posted on Truth Social that the increase in oil prices was a “very small price to pay” for eliminating Iran’s nuclear threat. The conflict began with U.S. And Israeli strikes on Iran, and has since expanded to include Iranian retaliatory attacks on U.S. Military bases and regional infrastructure. Iran has also named Ayatollah Ali Khamenei’s son, Mojtaba, as its new supreme leader, signaling a continuation of hardline policies. The U.S. Energy Secretary Chris Wright indicated that traffic through the Strait would resume once the U.S. Has neutralized Iran’s ability to threaten tankers, but offered a timeline of “a few weeks, not months.”

Impact on the ‘Shadow Fleet’ and Sanctions Evasion

Beyond the impact on official oil producers, the crisis is also disrupting the operations of a “shadow fleet” of tankers used to transport oil outside of traditional sanctions regimes. These vessels, often unflagged or registered under opaque ownership structures, are used by countries like Russia and China to circumvent international sanctions. According to Fox News, the closure of the Strait threatens to squeeze Russia’s war funding and China’s industrial supply chains. Belgium recently interdicted a shadow-fleet tanker, the MT Ethera, in the North Sea, redirecting it to Zeebrugge for seizure, as part of a broader effort by European partners to tighten the vise on these sanctions-evasion networks. The vessel was reportedly linked to a confidant of Khamenei.

Looking Ahead: Potential Scenarios and Market Implications

The duration of the Strait of Hormuz closure and the broader conflict remain uncertain. Several scenarios are possible, ranging from a swift resolution through diplomatic negotiations to a prolonged period of instability. The immediate impact is higher energy prices, which will likely contribute to inflationary pressures globally. The extent of the long-term impact will depend on the length of the disruption and the ability of other oil producers to increase output to compensate for the lost supply. The situation also highlights the vulnerability of global energy supply chains to geopolitical risks and the potential for rapid price swings in response to unforeseen events. The market will be closely watching for any signs of de-escalation or a resumption of negotiations, as well as for further developments in the production policies of OPEC+ nations.