28 June 2026.

Situation

The Strait of Hormuz has entered an acute escalation cycle. The IRGC Navy claims to have struck several U.S. military positions in the region following U.S. airstrikes on Iran's southern coast on June 26, per IRNA; Iran's Foreign Ministry simultaneously condemned the strikes as a violation of a standing memorandum of understanding, per Mehr News. At least two commercial tankers have been struck in the strait in the past week, per gCaptain, and naval authorities have raised the threat level to all shipping transiting the area. The physical impact on throughput is severe: PortWatch's most recent published day, 2026-06-21, recorded just 5 transits against a pre-crisis baseline of 93 per day. Separately, scraper-derived 24-hour arrivals at Gulf ports totaled 380 vessels, a figure reflecting a different methodology and scope and not directly comparable to the PortWatch count. With 483 vessels currently anchored or stopped and 8 indexed events in the past 24 hours, the operational picture is one of near-paralysis. The Hormuz Crisis Pressure Index holds at 90 (extreme), driven primarily by physical transit deviation. The 30-day Escalation Forecast composite stands at 68 (high), up 2 points, with Polymarket closure odds as the top contributor. That divergence, a state already at extreme while the forward forecast sits in high rather than mirroring it, reflects uncertainty over whether diplomatic channels can arrest further deterioration. Brent crude is quoted at $72.60, unchanged since the 2026-06-27 brief.

Recorded