One Unsettled Question Sits Under Chevron Stock
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Chevron (CVX) could lose some of what it earns from making fuel once a global shortage of refining capacity eases. During its October 30, 2026 call, management said 10% of the world’s refining capacity was offline at the time. Chevron’s own U.S. refineries, by contrast, ran a record amount of crude in the third quarter. You cannot yet tell how much of Chevron’s business is exposed to that shortage.
How Chevron Earns From A Shortage Of Refineries
A refining margin is the difference between what a refiner pays for crude oil and what it collects for the fuel it makes. Chevron’s refining operations sit in its Downstream business. Management said adjusted downstream earnings rose in the third quarter from the second because of higher refining margins and volumes. The whole company did not follow suit. Adjusted earnings fell by $1.6 billion from the second quarter, as upstream earnings dropped on lower realizations and lower liftings. A question about global supply, including how much capacity is offline worldwide, came up on that October 30 call.
How Big Is Chevron’s Refining Business?
Downstream brought in $142 billion of revenue in fiscal 2025, against $88.4 billion for Upstream. Segment revenue can include sales between Chevron’s own businesses, however, and revenue alone does not show what each business earns. Downstream revenue fell 9.8% that year. Across the whole company, the operating margin is now wider than a year ago. The operating margin reached 17.5% in the third quarter of 2026, up from 8.9% in the third quarter of 2025. Over the past twelve months it was 14.6%. That level is higher than at 34 of the 40 quarter ends since the end of 2016, so the company is earning near the top of its own ten-year range.
What Has Chevron Said About Refining Margins?
Management has said it expects refining margins to stay elevated in the short term. It expects those margins to moderate as refinery runs recover and export flows increase, a process management said will take some time. On chemicals, management put the share of petrochemical capacity offline at between 5% and 10%, and said margins will likely stay a bit elevated at least through the end of the year, maybe into 2027. Management also said that without some capacity closures and project deferrals, the chemicals market may return to oversupply as flows normalize. In both cases, management tied the easing to supply coming back.
Chevron is adding capacity of its own, including roughly 15% more at its Pasadena refinery and another 7% planned at Pascagoula by 2030. These additions give the company more fuel to sell at whatever margin the market pays. In its fourth-quarter report, expected in January 2027, the figure to watch is whether Chevron’s downstream earnings rise or fall from the third quarter’s. Timing effects also weighed on downstream earnings in the third quarter, so that comparison will not reflect refining margins alone.
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