Crude oil prices surged Sunday evening following a weekend of escalating military strikes between the U.S. and Iran over control of the Strait of Hormuz. While U.S. officials maintain the critical maritime passage remains open, recent combat has heightened regional volatility, testing global energy markets and eroding confidence in earlier peace efforts.
Market Volatility and Price Fluctuations
Energy markets reacted sharply to the weekend’s military exchanges, with benchmark prices posting significant gains as of Sunday evening. U.S. crude oil futures rose 4.1% to $74.33 per barrel, while Brent crude, the international benchmark, traded 3.88% higher at $78.96, according to reporting by CNBC. Data indicates that Brent crude opened Sunday at nearly $79 a barrel, marking a 9% increase from prewar price levels.

The price action reflects investor uncertainty regarding the security of the Strait of Hormuz, which historically accounts for the transit of approximately 20% of the world’s oil supply. The current environment remains tense.
Escalating Military Strikes in the Persian Gulf
The latest surge in tensions stems from a cycle of retaliatory strikes. According to U.S. Central Command, American forces executed a wave of strikes against Iranian targets on Sunday, following an operation that hit 140 targets on Saturday. These actions were taken in response to an Islamic Revolutionary Guard Corps attack on a container ship navigating the strait.

Iran’s state news agency, Tasnim, reported that the nation responded by firing at U.S. military facilities located in Jordan, Kuwait, Bahrain, and Oman. This weekend of combat marks the fourth time in the past week that the U.S. has engaged in direct airstrikes against Iranian positions in retaliation for attacks on commercial vessels.
Disputed Control Over Strategic Trade Routes
A core point of contention is the status of the Strait of Hormuz. Iranian state media claimed the Revolutionary Guard had closed the passage until further notice, but the U.S. military has explicitly disputed this, asserting that the waterway remains functional for commercial traffic.
For more on this story, see Iran Launches Missile and Drone Attacks on Gulf States After U.S. Strikes.
“U.S. forces are positioned and prepared to ensure that freedom of navigation remains available despite unwarranted Iranian aggression, harassment, threats, and arbitrary declarations,” Centcom said in a social media post Sunday. “Iran does not control the strait. Traffic is flowing.”
U.S. Central Command, via CNBC
President Donald Trump reinforced this stance during an appearance on NBC News’ “Meet the Press,” affirming that the strait remains open. The Joint Maritime Information Center, a U.S.-led coalition based in Bahrain, confirmed that the southern route through Omani waters is currently open to both inbound and outbound traffic. However, the center has advised mariners to exercise extreme vigilance
due to the severe security environment.
The Erosion of Maritime Confidence
The current instability represents a significant setback for the interim peace deal signed by Washington and Tehran on June 17. Following that agreement, shipping traffic—which had plummeted in early March—had begun to recover. However, the recent violence has effectively nullified that progress.

Amena Bakr, head of Middle East research at the maritime data firm Kpler, noted that the sense of security commercial vessels had briefly regained has been lost.
“That confidence eroded very, very quickly,” Ms. Bakr said. “We’re back to square one when it comes to that situation.”
Amena Bakr, Kpler
Data from Kpler illustrates the impact on shipping: while more than 130 vessels typically passed through the strait daily before the war, recent figures showed only 22 ships attempted the passage on Thursday. As the U.S. and Iran remain locked in a dispute over whether vessels must use a northern route within Iranian territorial waters or the established international corridors, the future of safe passage through the region remains uncertain.
Find more reporting in our Business section.
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