IRGC Closes Hormuz Strait, Ties Reopening to US Policy

Iran's Islamic Revolutionary Guard Corps announced the Strait of Hormuz will remain closed until the United States ends what Tehran characterizes as a blockade of Iranian ports, while Iranian officials confirmed no date has been set for renewed US-Iran talks. The Hormuz Strait is the world's most critical oil chokepoint, through which roughly 20 percent of global petroleum supply transits daily, making any sustained closure a direct threat to energy markets and global supply chains. The IRGC's conditional framing, closure tied explicitly to US port policy, signals the strait's status is now a diplomatic lever rather than a purely military one, raising the cost of any prolonged standoff for both sides. Traders and energy buyers will be watching for whether tanker traffic is actively interdicted or whether the closure remains declaratory; the gap between those two states determines whether oil price pressure escalates from risk premium to physical supply disruption. Any movement toward or away from US-Iran negotiations now carries direct commodity market consequences.