April 13, 2026 1:58 PM

What does a US naval blockade of Iran mean for oil flows?

The U.S. military said it would block shipping traffic in and out of Iran's ports starting at 10 a.m. ET (1400 GMT) on Monday, a move that would prevent roughly two million barrels of Iranian oil a day from entering the world's markets, further tightening global supply. Here are details on the planned blockade and its implications for oil markets. WHAT WAS ANNOUNCED? After weekend peace talks in Islamabad between negotiators from the U.S. and Iran ended without a deal, President Donald Trump ...