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TrustFinance Global Insights
Apr 27, 2026
2 min read
14

Top U.S. independent refiners are expected to report significantly stronger first-quarter results compared to last year. The profit boost is fueled by supply disruptions linked to conflict in the Middle East, which has driven fuel margins to multi-year highs and lifted company shares.
Global supply restrictions following the conflict escalated, particularly impacting the Strait of Hormuz, a critical route for global oil and fuel exports. This led to a sharp increase in diesel and jet fuel margins. The ultra-low sulfur diesel futures crack spread, a key refinery profit metric, jumped 105% to a record $86.25 per barrel.
The favorable market conditions boosted stock performance for major refiners, including Valero Energy, Phillips 66, and Marathon Petroleum, which saw shares climb over 20% this year. Simultaneously, consumers experienced higher costs, with the average U.S. gasoline price at the pump rising above $4 a gallon.
Analysts project that U.S. refiners will continue to benefit from the favorable margin environment for the next few quarters. Investors will be closely watching for company guidance as the full impact of these higher margins materializes in earnings reports.
Q: Why are U.S. refiners' profits increasing?
A: Profits are increasing due to higher fuel margins caused by global oil supply disruptions from geopolitical conflict in the Middle East.
Q: Which fuel types were most affected?
A: Diesel and jet fuel experienced the most significant margin increases, with diesel crack spreads reaching a record high.
Source: Investing.com

TrustFinance Global Insights
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