Oil has rallied more than 7% this week as investors worry that exports through Hormuz could plunge as the U.S. and Iran fight for control of the strait.

Despite renewed U.S.-Iran military exchanges, some tankers continue transiting the Strait of Hormuz while others delay or reverse course as security risks intensify.

Renewed U.S.-Iran military clashes have sharply reduced tanker traffic through the Strait of Hormuz, sending oil prices higher and renewing fears of supply disruptions.