Fuel refining margins have reached record highs globally, making the process of turning oil into fuel exceptionally profitable. In the United States, the prompt NYMEX 3-2-1 crack spread contract, a key indicator of refinery profitability, hit a record $64.58 per barrel on July 8. This surge is attributed to a combination of factors, including the re-escalation of conflict in the Middle East, Russia's ban on diesel exports, and critically low global fuel inventories. European diesel margins also soared past $60 per barrel after Russia's export ban, and European gasoline traded at a four-year high premium of $41 per barrel over crude.

The extraordinary profitability stems from a significant disconnect: crude oil prices have fallen due to a temporary surplus, while prices for refined products like gasoline, diesel, and jet fuel remain stubbornly high due to scarcity. This crude surplus was created by the release of hundreds of millions of barrels that accumulated during the months-long closure of the Strait of Hormuz, with Middle Eastern crude exports jumping from below 8 million barrels per day in May to over 12 million barrels per day in June. Meanwhile, fuel inventories, particularly gasoline and diesel, are at multi-year or near five-year lows in many regions, including the U.S., which entered the summer driving season with its lowest gasoline inventories in over a decade.

Geopolitical events have further pushed up margins. The disruption in supplies through the Strait of Hormuz during Q2 2026 significantly boosted U.S. refinery margins and exports, with gasoline crack spreads 60% higher and distillate and jet fuel crack spreads more than double year-ago levels. Russia's diesel export ban, intended to address its domestic fuel crisis from Ukrainian drone attacks on refineries, has tightened international supplies, particularly impacting Europe. Analysts from Sparta Commodities note that European cracks have jumped past $60 as various regions scramble for replacement barrels.

Asian refiners are poised to benefit significantly from this situation, with strong product cracks allowing them to operate at maximum intake. Countries like India, South Korea, and Japan, with existing inventories and access to cheaper Russian crude, are well-positioned to export refined products to Western markets, provided freight economics are favorable and governments do not impose export limitations. However, the market remains fluid, with potential for shifting dynamics if the Strait of Hormuz flows face renewed disruption, as cautioned by the International Energy Agency regarding risks for Asian economies.