London marine insurers report a decrease in inquiries for voyages through the Strait of Hormuz, signaling heightened nervousness among shipowners amid escalating US-Iran tensions. Brokers and underwriters have observed fewer quote requests since the breakdown of a Middle East ceasefire.

Concurrently, the cost of insuring such transits has seen an increase. This trend suggests a growing risk perception by shipping companies, potentially leading to reduced traffic through the vital waterway, which is a critical chokepoint for global oil supply.

The dip in demand and rise in insurance premiums could impact shipping schedules and freight costs. Investors in the energy and shipping sectors should monitor this development as it may indicate a broader slowdown in trade through the region.