Tanker traffic through the Strait of Hormuz is picking up, but shipowners remain wary after a Thursday attack near the chokepoint.

Strait of Hormuz traffic rises after a US-Iran interim deal, but toll disputes, security risks and a closed main channel keep shipping recovery uncertain.

NEW YORK — Ship traffic has picked up in the Strait of Hormuz since Iran and the U.S. signed an interim deal to end a war that constricted global o...