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MPC vs PSX stock comparison

Compare Marathon Petroleum Corporation Common Stock (MPC) vs Phillips 66 Common Stock (PSX) with a normalized 1-year performance chart. MPC +105.4% versus PSX +87.8%.

MPC return
+105.4%
PSX return
+87.8%
Spread
+17.7%
Data window
Aug 2025 to Aug 2026

Normalized performance chart

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MPC versus PSX comparison chart

Company pair

MPC

Marathon Petroleum Corporation Common Stock

PSX

Phillips 66 Common Stock