MPC vs. OXY
MPC (Marathon Petroleum Corporation) and OXY (Occidental Petroleum Corporation) are both stocks. Both are in the Energy sector — MPC in Oil & Gas Refining & Marketing, OXY in Oil & Gas E&P. Over the past 10 years, MPC returned 25.24%/yr vs -0.92%/yr for OXY. A 0.55 correlation means they provide meaningful diversification when combined.
Performance
MPC vs. OXY - Performance Comparison
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Returns By Period
In the year-to-date period, MPC achieves a 53.40% return, which is significantly higher than OXY's 27.65% return. Over the past 10 years, MPC has outperformed OXY with an annualized return of 25.24%, while OXY has yielded a comparatively lower -0.92% annualized return.
MPC
- 1D
- 1.80%
- 1M
- -2.89%
- YTD
- 53.40%
- 6M
- 51.41%
- 1Y
- 49.08%
- 3Y*
- 33.05%
- 5Y*
- 35.24%
- 10Y*
- 25.24%
OXY
- 1D
- 0.35%
- 1M
- -11.17%
- YTD
- 27.65%
- 6M
- 30.34%
- 1Y
- 16.32%
- 3Y*
- -0.74%
- 5Y*
- 12.45%
- 10Y*
- -0.92%
MPC vs. OXY - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
MPC Marathon Petroleum Corporation | 53.40% | 19.17% | -4.06% | 30.46% | 86.62% | 61.00% | -27.38% | 6.05% | -8.23% | 34.78% |
OXY Occidental Petroleum Corporation | 27.65% | -14.95% | -15.91% | -4.08% | 119.10% | 67.71% | -56.63% | -28.28% | -13.05% | 8.49% |
Correlation
The correlation between MPC and OXY 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 (1Y) Calculated over the trailing 1-year period | 0.53 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.56 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.63 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.60 |
Correlation (All Time) Calculated using the full available price history since Jul 1, 2011 | 0.55 |
The correlation between MPC and OXY has been stable across timeframes, ranging from 0.53 to 0.63 - a consistent structural relationship.
Fundamentals
MPC:
$15.35
OXY:
$6.02
MPC:
16.11
OXY:
8.64
MPC:
0.07
OXY:
0.06
MPC:
0.55
OXY:
1.69
MPC:
$135.75B
OXY:
$23.18B
MPC:
$11.95B
OXY:
$5.46B
MPC:
$12.39B
OXY:
$14.13B
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Return for Risk
MPC vs. OXY — Risk / Return Rank
MPC
OXY
MPC vs. OXY - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Marathon Petroleum Corporation (MPC) and Occidental Petroleum Corporation (OXY). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| MPC | OXY | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.07 | ||
| Sortino ratioReturn per unit of downside risk | +1.20 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.11 | +0.16 |
| Calmar ratioReturn relative to maximum drawdown | 2.69 | 0.77 | +1.93 |
| Martin ratioReturn relative to average drawdown | 7.03 | 1.63 | +5.41 |
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Drawdowns
MPC vs. OXY - Drawdown Comparison
The maximum MPC drawdown since its inception was -79.67%, smaller than the maximum OXY drawdown of -88.45%. Use the drawdown chart below to compare losses from any high point for MPC and OXY.
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Drawdown Indicators
| MPC | OXY | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -79.67% | -88.45% | +8.78% |
Max Drawdown (1Y)Largest decline over 1 year | -18.33% | -21.41% | +3.08% |
Max Drawdown (3Y)Largest decline over 3 years | -44.75% | -46.94% | +2.19% |
Max Drawdown (5Y)Largest decline over 5 years | -44.75% | -50.77% | +6.02% |
Max Drawdown (10Y)Largest decline over 10 years | -79.67% | -88.39% | +8.72% |
Current DrawdownCurrent decline from peak | -7.45% | -27.49% | +20.04% |
Average DrawdownAverage peak-to-trough decline | -17.31% | -20.15% | +2.84% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.01% | 10.12% | -3.11% |
Volatility
MPC vs. OXY - Volatility Comparison
Marathon Petroleum Corporation (MPC) has a higher volatility of 10.61% compared to Occidental Petroleum Corporation (OXY) at 8.62%. This indicates that MPC's price experiences larger fluctuations and is considered to be riskier than OXY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| MPC | OXY | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.61% | 8.62% | +1.99% |
Volatility (6M)Calculated over the trailing 6-month period | 26.12% | 27.33% | -1.21% |
Volatility (1Y)Calculated over the trailing 1-year period | 32.06% | 34.73% | -2.67% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.09% | 39.36% | -6.27% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 40.22% | 48.81% | -8.59% |
Dividends
MPC vs. OXY - Dividend Comparison
MPC's dividend yield for the trailing twelve months is around 1.58%, less than OXY's 1.92% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
MPC Marathon Petroleum Corporation | 1.58% | 2.29% | 2.43% | 2.07% | 2.14% | 3.63% | 5.61% | 3.52% | 3.12% | 2.30% | 2.70% | 2.20% |
OXY Occidental Petroleum Corporation | 1.92% | 2.33% | 1.78% | 1.21% | 0.83% | 0.14% | 4.74% | 7.62% | 5.05% | 4.15% | 4.24% | 4.39% |
Financials
MPC vs. OXY - Financials Comparison
This section allows you to compare key financial metrics between Marathon Petroleum Corporation and Occidental Petroleum Corporation. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
MPC vs. OXY - Profitability Comparison
MPC - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Marathon Petroleum Corporation reported a gross profit of 3.31B and revenue of 34.57B. Therefore, the gross margin over that period was 9.6%.
OXY - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Occidental Petroleum Corporation reported a gross profit of 0.00 and revenue of 5.23B. Therefore, the gross margin over that period was 0.0%.
MPC - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Marathon Petroleum Corporation reported an operating income of 1.40B and revenue of 34.57B, resulting in an operating margin of 4.1%.
OXY - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Occidental Petroleum Corporation reported an operating income of 236.00M and revenue of 5.23B, resulting in an operating margin of 4.5%.
MPC - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Marathon Petroleum Corporation reported a net income of 511.00M and revenue of 34.57B, resulting in a net margin of 1.5%.
OXY - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Occidental Petroleum Corporation reported a net income of 3.18B and revenue of 5.23B, resulting in a net margin of 60.7%.
Frequently Asked Questions
MPC and OXY 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.
MPC has higher volatility (10.61%) compared to OXY (8.62%). In terms of maximum drawdown, MPC dropped -79.67% vs OXY's -88.45%.
MPC currently has the higher Sharpe Ratio (1.54 vs 0.47), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.
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