$84.50 per barrel is where West Texas Intermediate crude moved after the Islamic Revolutionary Guard Corps reported that a supertanker was struck by mines in the Strait of Hormuz. The IRGC is the named source for the incident.
A mine strike on a supertanker in the Strait of Hormuz is not an ambiguous event. The waterway sits at the intersection of Persian Gulf oil production and global demand, and any incident threatening vessel safety there moves crude prices fast. WTI at $84.50 reflects the market's immediate read on that disruption risk.
The report originated with the Islamic Revolutionary Guard Corps, an arm of the Iranian state. That attribution carries weight. A security incident in the strait tied to Iranian paramilitary forces is priced differently than a navigational accident, and the $84.50 print is the market saying so.