Brent crude prices climbed in the session as new data revealed a sharp increase in commercial vessels disabling their automatic identification systems while transiting the Strait of Hormuz.
The trend of "dark crossings" signals that shipping operators are increasingly wary of the security environment in the strategic waterway, where rocket and drone activity has intensified.
The surge in signal blackouts complicates maritime traffic monitoring and heightens the risk of accidental collisions or targeted attacks.
With Iran having recently announced plans to fully block the strait following the suspension of communication with the United States, the shipping data provides tangible evidence of the operational risks now facing global energy logistics.
Handelsavisen notes that the Strait of Hormuz remains the world's most critical oil transit chokepoint, handling roughly one-fifth of global petroleum consumption.
Any sustained disruption to flows through the narrow passage would immediately tighten supply for major importers in Asia and Europe, keeping a persistent risk premium on energy markets.