The volume of commercial vessels passing through the Strait of Hormuz declined markedly on Sunday, following Tehran's renewed declaration that it had closed the strategic waterway.
The drop in traffic underscores the tangible impact of Iran's geopolitical posturing on global maritime logistics, even as the physical extent of the blockade remains under verification by international observers.
This development follows a period of heightened tension in the region, where Iran previously suspended communications with the United States via intermediaries and signaled intentions to fully block the strait.
Earlier this week, Iranian naval authorities reported that 26 vessels had transited the corridor since Tuesday, a figure that suggests limited but ongoing movement despite official rhetoric.
The latest sharp decline indicates that shipping operators are increasingly heeding the threat, opting to delay or reroute voyages to avoid potential confrontation.
The Strait of Hormuz remains the world's most critical oil chokepoint, handling roughly one-fifth of global petroleum consumption.