commodities

The Hormuz Shock Reaches Costco's Oil Aisle: A Live Chokepoint-to-Retail Transmission Case

Alex NavarroSenior Investigative Correspondent

Published September 19, 20268 min read

Warehouse-store aisle with stacked plastic motor oil bottles and several empty shelf slots under warm overhead light. — The Strait of Hormuz shutdown has traveled four months downstream — refiners choosing diesel and jet fuel over lubricant feedstock now shows up as bottle limits on a suburban warehouse shelf. Illustration: MarketIntelLabs

Costco is capping how many bottles of Kirkland Signature synthetic motor oil a member can buy in a week. Nissan drafted, but held back distributing, a dealer bulletin proposing to cut oil allocations by 45 percent. Toyota service departments received rationing instructions of their own. None of this happened because a warehouse club or an automaker decided to restrict supply on a whim. It happened because 8.3 million barrels a day of Gulf oil production remains shut in, and refiners facing a choice between diesel, jet fuel and lubricant feedstock are choosing diesel and jet fuel every time. The chokepoint is the Strait of Hormuz. The retail endpoint, four months later, is a shelf tag in a su…

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