Marathon Petroleum rose twofold in a year. Valero Energy rose twofold.

Same industry

MPC against four refining peers, a year at 100

MPC is up 2.0 times in a year. Valero Energy is up 2.1 times. Of these four, Phillips 66 (+88.2%), Conocophillips (+57.7%) and Chevron (+40.0%) did less. Weekly closes, Nov 7, 2025 = 100, on a log scale so a twofold rise and a 40.0% rise both read honestly.

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MPC ×2.0. Valero Energy ×2.1, Phillips 66 +88.2%, Conocophillips +57.7%, Chevron +40.0%. Weekly closes, Nov 7, 2025 = 100, log scale.

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End-of-day closes (Databento EOD), the last close of each week. The four peers are the largest US-listed companies by market value in MPC’s SEC industry (Petroleum Refining) with a year of closes. It shows what the closes did; a move here is not a cause, a forecast or a call.

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