The U.S. Treasury Department has revoked a waiver that permitted sales of Iranian oil, a move triggered by recent attacks on tankers in the Strait of Hormuz. This decision significantly jeopardizes an informal peace agreement between the United States and Iran.

The revocation is expected to tighten global oil supply, potentially driving up prices for crude and refined products. Investors and energy traders will be closely monitoring the impact on crude benchmarks like Brent and WTI, as well as the broader energy markets.

Businesses reliant on oil imports, particularly in Asia, may face increased costs and supply chain disruptions. The move signals a tougher stance from Washington on Iranian oil exports and could have ripple effects across geopolitical and economic spheres.