Marathon Petroleum Profit Margin

Marathon Petroleum (MPC) currently reports a profit margin of 8.38% as of September 2026. That compares with 1.43% in the prior-year period — up 485.6% year over year. That is below the Energy sector average of 16.47%. Use the charts on this page to explore Marathon Petroleum's profit margin history and peer comparisons.

Marathon Petroleum's profit margin increased from 1.43% to 8.38% — a 485.6% year-over-year increase (period ending September 2026). Watching multi-year history on the chart below helps separate one-off swings from a lasting trend.

Marathon Petroleum's profit margin of 8.38% is lower than the Energy sector average of 16.47%. That is roughly 49.1% below the sector mean. A reading lower peers can reflect different growth expectations, capital structure, or profitability — so it is worth checking the peer comparison chart before drawing conclusions.

There is no universal 'good' profit margin, but Marathon Petroleum's current 8.38% should be judged against Energy norms (sector average: 16.47%) and against MPC's own history. Strong, stable readings often indicate durable competitive advantage; volatile or declining ones deserve a closer look at margins and capital efficiency.

Start with the current profit margin of 8.38%, then check the historical chart for trend and the peer comparison chart for relative positioning. The Energy average is 16.47%. From there, open related valuation or income-statement pages for Marathon Petroleum, and consider following MPC for alerts when major investors trade the stock.