Iran Declares Strait Of Hormuz Closed, Oil Prices Climb As Global Supply Fears Escalate

Dow futures drop 154 points, S&P 500 and Nasdaq also down as tensions rise in the Middle East

Published on Mar. 2, 2026

Got story updates? Submit your updates here. ›

On Monday evening, Iranian state media reported that Tehran has closed the Strait of Hormuz and warned it would fire on any vessel attempting to pass. This move sent oil prices higher, with WTI Crude April 26 futures gaining 0.93% to trade at $71.89, while Gold COMEX April 26 futures climbed 1.05% to $5,367.50. Dow, S&P 500, and Nasdaq futures all fell in response to the news, with Dow futures down 154 points, or 0.31%, to 48,791.00.

Why it matters

The Strait of Hormuz is a critical global energy chokepoint, with roughly one-fifth of the world's oil consumption - more than 20 million barrels per day - moving through the narrow waterway. The closure of the strait threatens energy exports from major producers like Saudi Arabia, Iraq, the UAE, and Iran itself, potentially disrupting global oil supply and sending prices higher.

The details

Iran's closure of the Strait of Hormuz comes amid rising tensions in the region. Earlier in the day, QatarEnergy suspended LNG production following military strikes that hit its facilities. President Donald Trump also warned of larger U.S. military action against Iran, saying American forces have already struck Iran with significant force. The Strait of Hormuz is just 21 miles wide at its narrowest point, with shipping lanes only about 2 miles wide in each direction, making it a vital chokepoint for global energy flows.

  • On Monday evening, Iranian state media reported the closure of the Strait of Hormuz.
  • Earlier in the day on March 2, QatarEnergy suspended LNG production following military strikes.

The players

Iran

The country that has declared the Strait of Hormuz closed and threatened to fire on any vessel attempting to pass through.

QatarEnergy

The state-owned energy company that suspended LNG production following military strikes on its facilities.

Donald Trump

The President of the United States, who warned of larger U.S. military action against Iran.

Got photos? Submit your photos here. ›

What they’re saying

“U.S. forces have already struck Iran with significant force but cautioned that an even larger "big wave" of military action is still ahead.”

— Donald Trump, President of the United States (CNN)

What’s next

The situation remains highly volatile, with the potential for further escalation and disruption to global energy markets. Analysts will be closely monitoring the situation in the Strait of Hormuz and any potential military or diplomatic developments.

The takeaway

The closure of the Strait of Hormuz by Iran represents a significant threat to global energy security, with the potential to disrupt oil and natural gas flows from major producers in the region. This development, coupled with rising tensions and the threat of expanded U.S. military action, underscores the fragility of the global energy system and the need for continued vigilance and diplomacy to prevent further escalation.