Iran Threatens Strait of Hormuz Closure as Oil Prices Surge Amidst Widening Conflict
Global energy markets are bracing for significant disruption as Iran’s Islamic Revolutionary Guard Corps (IRGC) vowed to block oil transit through the Strait of Hormuz, a critical chokepoint for global oil supply. This declaration comes amid escalating tensions following U.S. And Israeli strikes on Iranian targets, and Iran’s retaliatory attacks on its neighbors. The situation has already prompted the International Energy Agency (IEA) to authorize its largest-ever release of emergency oil stocks in an attempt to stabilize prices.
Strategic Importance of the Strait of Hormuz
The Strait of Hormuz, a narrow waterway separating the Arabian Peninsula and Iran, connects the Persian Gulf with the Gulf of Oman and the Arabian Sea. At its narrowest point, it is only 29 nautical miles wide, with 2-mile-wide navigable channels for shipping according to the IEA. Approximately 20 million barrels of crude oil and oil products were shipped through the Strait daily in 2025, representing around 25% of the world’s seaborne oil trade .
Several nations rely heavily on the Strait for oil exports, including Iran, Iraq, Kuwait, Qatar, and Bahrain. Saudi Arabia and the United Arab Emirates (UAE) have alternative export routes, but a closure would still have significant global repercussions. The Strait also plays a vital role in global gas trade, with roughly 19% of global LNG exports originating from Qatar and the UAE transiting the waterway .
Escalating Tensions and Iranian Threats
The current crisis was triggered by U.S. And Israeli strikes against Iranian targets, prompting Iran to retaliate with missile and drone attacks on neighboring countries. The IRGC has stated that any vessel linked to the United States, Israel, or their allies will be considered a “legitimate target” . Iran has warned that oil prices could reach $200 per barrel if the Strait of Hormuz is closed.
Reports indicate Iran has deployed approximately a dozen mines in the Strait of Hormuz, further complicating potential reopening efforts . Traffic through the Strait has already decreased significantly since the conflict began on February 28th.
International Response and Market Impact
In response to the escalating crisis, the IEA’s 32 member countries unanimously agreed on March 11, 2026, to release 400 million barrels of emergency oil stocks . Despite this measure, global oil prices have fluctuated wildly. Between February 28th and March 10th, Brent crude futures climbed by 20%, and Dutch TTF, the European benchmark for natural gas, rose by 50% .
Several Gulf countries have begun to curtail oil production as regional storage tanks fill up, exacerbating supply concerns. Global LNG supply has also been reduced by around 20% due to the situation .
Looking Ahead
The duration of the conflict and the extent of disruption to oil flows through the Strait of Hormuz remain uncertain. While a lasting closure is considered unlikely, even a short-lived interruption could have a significant impact on global oil markets. The situation underscores the vulnerability of global energy supplies to geopolitical instability in the Middle East.