Historical annual and monthly returns for Marathon Petroleum (MPC).
For Marathon Petroleum (MPC), the strongest completed calendar year was 2012, when the stock returned 94.2%, while its weakest was 2020, with a return of -27.4%. Across the 14 completed calendar years from 2012 through 2025, its average annual return was 25.7% and its compounded annual return was 21.1%. MPC posted positive returns in 11 of those 14 years (79%). In 2025, the latest completed year, it returned 19.2%. In 2026 year to date, MPC has returned 142.3%.
Returns are calculated from the adjusted daily closing prices for Marathon Petroleum (MPC). Annual returns measure the percentage change between the final available trading prices of consecutive calendar years. Monthly returns use the corresponding month-end observations. Adjusted prices account for stock splits and distributions when supplied by the market-data provider. Results are nominal and are not adjusted for inflation.
