The United States and Iran announced a tentative peace deal on Sunday to end hostilities and reopen the Strait of Hormuz [1, 2].

The agreement is significant because it addresses months of conflict that shut down a critical maritime artery, causing an oil-price shock and destabilizing global financial markets [1, 3].

President Donald Trump said the U.S. has reached a peace deal with Iran [2]. The truce aims to reduce oil-price volatility and improve the overall economic outlook by restoring the flow of energy through the Strait of Hormuz [1, 2].

Financial markets responded quickly to the news. Shares surged in Asia following the announcement [1]. Energy prices tumbled and stocks jumped on Monday, though some reports described the stock market increase as moderate [3].

The deal comes after a period of intense hostilities that disrupted international trade. By reopening the waterway, the two nations intend to lift the pressure on global energy supplies, and stabilize the cost of crude oil [1, 2].

The specific terms of the tentative agreement were not detailed in the initial announcements, but the primary focus remains the cessation of conflict and the restoration of maritime access [1, 3].

The United States and Iran announced a tentative peace deal on Sunday to end hostilities.

The reopening of the Strait of Hormuz removes a primary geopolitical bottleneck for global oil supplies. Because a vast majority of the world's exported crude passes through this narrow waterway, the truce directly reduces the risk of a prolonged energy crisis and lowers the inflationary pressure on global economies.