MarketWatch
The energy market’s rising ‘crack spread’ is threatening to break the American consumer
Thursday, August 20, 2026
The crack spread, which measures the difference between crude oil and refined product prices, widened in recent weeks, indicating refineries are earning higher margins on gasoline and diesel production. A widening crack spread typically results in higher retail fuel prices at gas stations. Crude oil prices and refinery capacity constraints both influence the spread's movement.
