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3 Oil Stocks To Watch As Diesel Prices Climb

Simply Wall St·09/05/2026 19:23:30
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Oil markets are back in the spotlight as renewed US–Iran hostilities, a tightening Strait of Hormuz and Russia’s diesel export ban push crude and diesel prices higher. Big integrated producers sit close to this story, with some business lines pressured and others supported by these moves in fuel markets. This article walks through 3 large integrated oil and gas stocks exposed to these headlines and why their setups may interest you now.

The stocks covered below are just a sample, and the full screen surfaced 20 more large integrated oil and gas companies with equally compelling narratives that are not covered in this article. To identify and analyze those additional opportunities, head straight into the Integrated Oil & Gas Producers screener.

Marathon Petroleum (MPC)

Overview: Marathon Petroleum is a large US integrated downstream energy company that refines crude oil into gasoline, diesel, jet fuel and other products, then moves and sells those fuels through a broad marketing network that can benefit directly from higher diesel and refined product prices. Its midstream pipelines, storage and logistics, together with a growing renewable diesel business, link tightly into this refining engine, which is central to the Integrated Oil & Gas Producers screener theme.

Operations: Marathon Petroleum generates the bulk of its revenue from its Refining & Marketing segment at about US$144.6b, supported by roughly US$11.7b from Midstream and US$3.4b from Renewable Diesel, almost entirely within the United States.

Market Cap: US$108.9b

Marathon Petroleum provides direct exposure to tight global fuel markets through a predominantly US refining and marketing business that is geared to diesel and other refined product prices. Recent geopolitical disruptions and Russia’s diesel export ban have tightened diesel supply, which supports the company’s margin story but also increases earnings sensitivity to future shifts in fuel prices and policy. Analysts highlight recent profitability and cash generation, while also noting reliance on refining margins and meaningful leverage as key risks if fuel demand or crack spreads weaken. For investors using this integrated producers screener to focus on large, diversified operators, Marathon Petroleum is one of the more significant downstream names to review in detail.

Marathon Petroleum’s refining engine is tightly linked to today’s fuel price story, yet the real puzzle is how those margins and cash flows stack up against its debt load and policy risk. Get the Marathon Petroleum financial health report

NYSE:MPC Revenue & Expenses Breakdown as at Sep 2026
NYSE:MPC Revenue & Expenses Breakdown as at Sep 2026

Valero Energy (VLO)

Overview: Valero Energy is one of the largest independent refiners in the Integrated Oil & Gas Producers screener. It turns crude oil into gasoline, diesel, jet fuel and petrochemicals, and also runs sizeable renewable diesel and ethanol operations across the US, Europe and Latin America. For an investor focused on the current spike in crude and diesel prices, Valero offers direct exposure to refining margins and fuel spreads rather than upstream production volumes.

Operations: Valero Energy generates most of its revenue from its Refining segment at about US$132.2b. This is supported by roughly US$6.7b from Renewable Diesel and US$5.0b from Ethanol, with Corporate and Other items reducing the reported total by about US$4.5b.

Market Cap: US$106.7b

Valero Energy is central to this fuel price spike theme because its earnings are closely linked to refining margins and diesel pricing, which are in focus again as hostilities tighten the Strait of Hormuz and Russia restricts diesel exports. Recent commentary from management points to low diesel inventories, shifting trade flows and constrained global capacity as key factors shaping margins, while a strong balance sheet and substantial cash returns give investors a way to participate directly in this refining cycle. At the same time, forecasts for softer earnings, policy risk around renewable fuels and signs of insider selling mean you are not just buying a one way bet. The key question is whether current pricing already reflects that trade off or still leaves room for mispricing in Valero’s refining and renewable diesel profile.

Valero’s refining engine ties straight into today’s fuel price story, yet the real twist is how that exposure lines up with its balance sheet strength and cash returns. Go through the Valero Energy financial health report to see what the headline numbers might be masking.

NYSE:VLO Revenue & Expenses Breakdown as at Sep 2026
NYSE:VLO Revenue & Expenses Breakdown as at Sep 2026

PBF Energy (PBF)

Overview: PBF Energy is a US refiner that turns crude oil into gasoline, diesel, jet fuel and other petroleum products, giving you direct exposure to the Integrated Oil & Gas Producers screener theme through its refining and fuels supply chain. Through its Refining and Logistics segments, it runs a network of refineries and related rail, truck, marine and pipeline infrastructure that sells transportation fuels and feedstocks across key US regions and into Canada, Mexico and other international markets.

Operations: PBF Energy generates virtually all of its revenue from its Refining segment at about US$34.4b, with around US$379 million from Logistics and a small US$357 million eliminations adjustment.

Market Cap: US$9.0b

PBF Energy gives you leveraged exposure to tight global fuel markets at a time when renewed US–Iran hostilities, constrained refining capacity and Russia’s diesel export ban are supporting stronger distillate pricing. Analysts point to a large US refining footprint, cost reduction efforts and recent debt reduction as reasons the stock trades on a low P/E and at a sizable discount to some value estimates, although a US$1.3b one off gain makes recent profits hard to read. The catch is that PBF is heavily tied to traditional fuels with operational and regulatory risks around older refineries and an unstable dividend record. If you are weighing that risk reward trade off in a refining focused stock, PBF is a company worth a closer look.

PBF Energy looks like a classic valuation story that investors may be underpricing, especially with that large US$1.3b one off gain clouding the recent numbers. See how the analysis report for PBF Energy reframes the risk reward setup and what that might mean next

PBF Discounted Cash Flow as at Sep 2026
PBF Discounted Cash Flow as at Sep 2026

Curious About What You Might Be Missing?

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.