Oil Falls Below $80 as Markets Rally on Preliminary US-Iran Deal

Global oil prices dropped sharply Monday after President Trump announced a preliminary agreement with Iran to end hostilities and reopen the Strait of Hormuz. Brent crude fell more than 4 percent to around 83 dollars a barrel, while US crude slipped below 80 dollars for the first time since March. Stock markets responded with broad gains, led by technology shares and futures on the Nasdaq rising about 2 percent.

The breakthrough came after Pakistani Prime Minister Shehbaz Sharif announced late Sunday that both sides had agreed to an immediate halt to military operations, including those tied to the conflict in Lebanon. Trump posted on social media that the deal was complete and authorized the strait to open without tolls once the formal signing occurs in Switzerland on Friday. He added that the US naval blockade would end, declaring ships should start their engines and let the oil flow.

Details remain sparse. Iranian officials indicated a 60-day period of further talks will address broader matters such as Tehrans nuclear program and sanctions relief. The current framework does not resolve those core disputes, leaving analysts to question how durable the truce will prove. Tanker operators have already signaled caution, noting that damaged infrastructure and lingering security concerns could slow any quick return to normal traffic volumes through the vital waterway, which once carried roughly 20 percent of global oil supplies.

Markets nevertheless treated the news as a major relief. Asian indexes climbed at the open, with Japans Nikkei jumping more than 5 percent and South Koreas Kospi rising nearly 6 percent. European shares followed higher, and US futures pointed to a positive session ahead of the Federal Reserves policy decision later this week. Energy-sensitive sectors such as airlines and cruise lines also advanced as lower fuel costs improved their outlook.

The sudden shift comes after months of disruption that began with Iranian actions in early March and produced the largest oil supply shock in decades. Prices had climbed above 93 dollars before retreating on the latest developments. While consumers stand to benefit from cheaper energy in the short term, the absence of firm commitments on Irans nuclear ambitions raises the possibility that tensions could resume once the 60-day window closes.

Trump has framed the outcome as a diplomatic success that restores energy flows without further American entanglement. Yet the heavy reliance on Pakistan as mediator and the deferral of the most contentious issues suggest the agreement functions more as a pause than a permanent settlement. Markets appear willing to price in optimism for now, but the underlying strategic questions about regional stability and long-term energy security remain unresolved.