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Energy and natural resources

Crack spread (refining margin)

The gap between the price of crude oil and the prices of the fuels made from it.

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What does Crack spread (refining margin) mean?

A crack spread is the difference between the price of crude oil and the prices of the products a refinery "cracks" it into, such as gasoline (petrol) and diesel. It is a simple guide to how much a refinery earns before its own operating costs. A common version is the 3-2-1 crack: three barrels of crude make two of gasoline and one of diesel. Example: crude at 80 a barrel, gasoline at 100 and diesel at 110 give (2 x 100 + 110 minus 3 x 80) / 3 = 70 / 3, or about 23 per barrel of crude. A refinery's actual margin also depends on its complexity, crude slate and costs, which is why complex refineries such as Reliance's Jamnagar can earn more than simple ones.

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See Crack spread (refining margin) at work in a lesson from Oil and gas, with checks as you go.

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