Based on the latest data from Nov 11, 2026, MPC's PEG ratio sits at 0.02. This metric combines a PE of 7.86 with an earnings growth rate of 439.8%. Relative to the 0.15 average from the past 4 quarters, the PEG ratio has shrunk by 86%.
MPC PEG ratio history
Looking at the past ten years, MPC's PEG ratio has settled around 0.1 on average. At 0.02, today's PEG ratio sits 80% lower than its historical average. Within the past ten years, the Dec 2025 quarter saw the highest PEG reading at 0.4. At 0, the Mar 2022 quarter represented the lowest PEG ratio in this timeframe.
Marathon Petroleum PEG ratio by year
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| 2025 | 0.4 | 12.28 | 31% |
| 2024 | N/A | 13.8 | -57.4% |
| 2023 | N/A | 6.25 | -16.2% |
| 2022 | 0.05 | 4.11 | 84.6% |
| 2021 | 0.02 | 4.17 | 201.4% |
| 2020 | N/A | N/A | -478.3% |
| 2019 | N/A | 15.06 | -25.4% |
| 2018 | N/A | 11.01 | -20.7% |
| 2017 | 0.05 | 9.76 | 204.5% |
| 2016 | N/A | 22.68 | -58% |
| 2015 | 0.5 | 9.8 | 19.7% |
| 2014 | 0.32 | 10.21 | 32.3% |
| 2013 | N/A | 13.73 | -32.8% |
| 2012 | 0.13 | 6.34 | 48.4% |
| 2011 | 0.02 | 4.97 | 280.7% |
Marathon Petroleum PEG ratio by quarter (TTM)
| Year | PEG ratio | PE ratio | Growth YoY |
|---|---|---|---|
| Sep 2026 | 0.02 | 7.72 | 439.8% |
| Jun 2026 | 0.03 | 8.79 | 323.9% |
| Mar 2026 | 0.14 | 15.98 | 111% |
| Dec 2025 | 0.4 | 12.28 | 31% |
| Sep 2025 | N/A | 20.31 | -26.3% |
| Jun 2025 | N/A | 24.21 | -64.5% |
| Mar 2025 | N/A | 20.12 | -64.4% |
| Dec 2024 | N/A | 13.8 | -57.4% |
| Sep 2024 | N/A | 12.65 | -52.1% |
| Jun 2024 | N/A | 8.98 | -30.3% |
| Mar 2024 | N/A | 9.92 | -39.2% |
| Dec 2023 | N/A | 6.25 | -16.2% |
| Sep 2023 | 0.34 | 5.62 | 16.5% |
| Jun 2023 | 0.05 | 4.21 | 83.9% |
| Mar 2023 | 0.04 | 4.04 | 95% |
MPC average PEG ratio chart
When comparing to historical data, MPC's PEG ratio comes in under the 5 and 10-year averages.
PEG comparison
Marathon Petroleum's PEG of 0.02 is lower than the Energy sector, the industry and its peers average. In comparison with the Energy sector average of 0.2, Marathon Petroleum's PEG is 90% lower.
MPC EPS growth
MPC Price vs fair value
MPC PEG vs peers
Relative to its peers, MPC's PEG ratio is below XOM's and CVX's yet above VLO's and PSX's. Marathon Petroleum's PEG ratio of 0.02 is below the peer average of 0.11.
Frequently asked questions
What is Marathon Petroleum's PEG ratio?
According to Nov 11, 2026 figures, MPC's PEG ratio stands at 0.02.
What is the 5-year average PEG ratio for Marathon Petroleum (MPC)?
Historical data over a 5-year period puts MPC's average PEG ratio at 0.11.
What is the highest PEG ratio for MPC?
MPC's PEG ratio topped out at 0.4 during the Dec 2025 quarter - the highest in ten years.
How does the current PEG ratio for MPC compare to its historical average?
MPC currently has a PEG ratio 80% below its 10-year average.
Why is Marathon Petroleum's PEG ratio so low?
Strong earnings growth relative to valuation results in MPC's low PEG ratio of 0.02.
How is MPC's PEG ratio calculated (Marathon Petroleum PEG ratio formula)?
PEG equals PE divided by EPS growth rate (YoY TTM). As of Nov 11, 2026, Marathon Petroleum carries a PE ratio of 7.86. Earnings grew at 439.8% over the TTM period ending Sep 2026. Applying the formula, this yields a PEG ratio of 0.02. PEG RATIO(0.02) = PE RATIO(7.86) / EPS GROWTH(439.8%)
All PEG ratio stats are based on quarterly TTM periods, unless otherwise specified.