US blockade affects all vessel traffic through the Strait of Hormuz. 60 ships transiting daily by July 31, 2026 at 8% YES.

Iran enforces a selective blockade with only six ships navigating the Strait of Hormuz. Fewer than 150 ships transit from July 6-12 at 79% YES.

Iran warns ships at risk in the Strait of Hormuz amid rising tensions. Traffic normalization by August 31 at 17.5% YES.

Iran-linked vessels increased transit through the Strait of Hormuz before a US-imposed blockade, escalating tensions in the region.