MPC vs. MRO

Last updated Jun 3, 2026

MPC (Marathon Petroleum Corporation) and MRO (Marathon Oil Corporation) are both stocks. Both are in the Energy sector — MPC in Oil & Gas Refining & Marketing, MRO in Oil & Gas E&P. A 0.53 correlation means they provide meaningful diversification when combined.

Performance

MPC vs. MRO - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Marathon Petroleum Corporation (MPC) and Marathon Oil Corporation (MRO). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

MPC

• 1D: 1.70%
• 1M: 7.28%
• YTD: 63.18%
• 6M: 37.72%
• 1Y: 68.95%
• 3Y*: 36.95%
• 5Y*: 36.17%
• 10Y*: 25.97%

MRO

• 1D: —
• 1M: —
• YTD: —
• 6M: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

MPC vs. MRO - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MPC Marathon Petroleum Corporation	63.18%	19.17%	-4.06%	30.46%	86.62%	61.00%	-27.38%	6.05%	-8.23%	34.78%
MRO Marathon Oil Corporation	0.00%	0.00%	20.15%	-9.29%	66.91%	149.77%	-50.38%	-3.93%	-14.37%	-0.82%

Correlation

The correlation between MPC and MRO is 0.53, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (3Y) Calculated over the trailing 3-year period	0.35
Correlation (5Y) Calculated over the trailing 5-year period	0.57
Correlation (10Y) Calculated over the trailing 10-year period	0.57
Correlation (All Time) Calculated using the full available price history since Jul 5, 2011	0.53

The correlation between MPC and MRO shifts across timeframes, from 0.35 (3 years) to 0.57 (10 years), reflecting how their relationship changes across market environments.

Fundamentals

Total Revenue (TTM) MPC : $135.75B MRO : $6.58B
Gross Profit (TTM) MPC : $11.95B MRO : $3.50B
EBITDA (TTM) MPC : $12.39B MRO : $4.23B

Return for Risk

MPC vs. MRO — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

MPC

MPC Risk / Return Rank: 86
MPC Sharpe Ratio Rank: 89
MPC Sortino Ratio Rank: 85
MPC Omega Ratio Rank: 85
MPC Calmar Ratio Rank: 85
MPC Martin Ratio Rank: 86

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

MPC vs. MRO - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Marathon Petroleum Corporation (MPC) and Marathon Oil Corporation (MRO). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

	MPC	MRO	Difference
Sharpe ratio Return per unit of total volatility	2.20	—	—
Sortino ratio Return per unit of downside risk	2.75	—	—
Omega ratio Gain probability vs. loss probability	1.37	—	—
Calmar ratio Return relative to maximum drawdown	3.65	—	—
Martin ratio Return relative to average drawdown	9.65	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	MPC	MRO	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.20	—	—
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	1.10	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.65	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.56	—	—

Drawdowns

Drawdown Indicators

	MPC	MRO	Difference
Max Drawdown Largest peak-to-trough decline	-79.67%	—	—
Max Drawdown (1Y) Largest decline over 1 year	-18.33%	—	—
Max Drawdown (3Y) Largest decline over 3 years	-44.75%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-44.75%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-79.67%	—	—
Current Drawdown Current decline from peak	0.00%	—	—
Average Drawdown Average peak-to-trough decline	-17.37%	—	—
Ulcer Index Depth and duration of drawdowns from previous peaks	6.93%	—	—

Volatility

Volatility by Period

	MPC	MRO	Difference
Volatility (1M) Calculated over the trailing 1-month period	11.47%	—	—
Volatility (6M) Calculated over the trailing 6-month period	25.79%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	31.50%	—	—
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.03%	—	—
Volatility (10Y) Calculated over the trailing 10-year period, annualized	40.27%	—	—

Dividends

MPC vs. MRO - Dividend Comparison

MPC's dividend yield for the trailing twelve months is around 1.49%, while MRO has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MPC Marathon Petroleum Corporation	1.49%	2.29%	2.43%	2.07%	2.14%	3.63%	5.61%	3.52%	3.12%	2.30%	2.70%	2.20%
MRO Marathon Oil Corporation	0.00%	0.00%	1.54%	1.70%	1.18%	1.10%	1.20%	1.47%	1.39%	1.18%	1.16%	5.40%

Financials

Frequently Asked Questions

Can I hold both MPC and MRO in my portfolio?

MPC and MRO have a correlation of 0.53, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.