MPC vs. PSX
MPC (Marathon Petroleum Corporation) and PSX (Phillips 66) are both stocks. Both operate in the Oil & Gas Refining & Marketing industry within the Energy sector. Over the past 10 years, MPC returned 25.24%/yr vs 12.05%/yr for PSX. A 0.77 correlation means they provide meaningful diversification when combined.
Performance
MPC vs. PSX - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, MPC achieves a 53.40% return, which is significantly higher than PSX's 32.54% return. Over the past 10 years, MPC has outperformed PSX with an annualized return of 25.24%, while PSX has yielded a comparatively lower 12.05% 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%
PSX
- 1D
- 1.37%
- 1M
- -5.22%
- YTD
- 32.54%
- 6M
- 32.59%
- 1Y
- 39.59%
- 3Y*
- 27.13%
- 5Y*
- 18.17%
- 10Y*
- 12.05%
MPC vs. PSX - 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% |
PSX Phillips 66 | 32.54% | 17.51% | -11.63% | 33.07% | 49.58% | 8.51% | -33.85% | 33.97% | -12.28% | 20.94% |
Correlation
The correlation between MPC and PSX is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.81 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.80 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.82 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.79 |
Correlation (All Time) Calculated using the full available price history since May 1, 2012 | 0.77 |
The correlation between MPC and PSX has been stable across timeframes, ranging from 0.77 to 0.82 - a consistent structural relationship.
Fundamentals
MPC:
$72.95B
PSX:
$67.92B
MPC:
$15.35
PSX:
$10.17
MPC:
16.11
PSX:
16.56
MPC:
0.07
PSX:
0.09
MPC:
0.55
PSX:
0.51
MPC:
4.35
PSX:
2.38
MPC:
$135.75B
PSX:
$134.70B
MPC:
$11.95B
PSX:
$5.94B
MPC:
$12.39B
PSX:
$9.17B
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
MPC vs. PSX — Risk / Return Rank
MPC
PSX
MPC vs. PSX - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Marathon Petroleum Corporation (MPC) and Phillips 66 (PSX). 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 | PSX | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +0.21 | ||
| Sortino ratioReturn per unit of downside risk | +0.15 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.24 | +0.03 |
| Calmar ratioReturn relative to maximum drawdown | 2.69 | 2.30 | +0.39 |
| Martin ratioReturn relative to average drawdown | 7.03 | 6.51 | +0.52 |
Loading charts...
Drawdowns
MPC vs. PSX - Drawdown Comparison
The maximum MPC drawdown since its inception was -79.67%, which is greater than PSX's maximum drawdown of -64.21%. Use the drawdown chart below to compare losses from any high point for MPC and PSX.
Loading charts...
Drawdown Indicators
| MPC | PSX | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -79.67% | -64.21% | -15.46% |
Max Drawdown (1Y)Largest decline over 1 year | -18.33% | -17.28% | -1.05% |
Max Drawdown (3Y)Largest decline over 3 years | -44.75% | -44.37% | -0.38% |
Max Drawdown (5Y)Largest decline over 5 years | -44.75% | -44.37% | -0.38% |
Max Drawdown (10Y)Largest decline over 10 years | -79.67% | -64.21% | -15.46% |
Current DrawdownCurrent decline from peak | -7.45% | -9.90% | +2.45% |
Average DrawdownAverage peak-to-trough decline | -17.31% | -14.73% | -2.58% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 7.01% | 6.13% | +0.88% |
Volatility
MPC vs. PSX - Volatility Comparison
Marathon Petroleum Corporation (MPC) has a higher volatility of 10.61% compared to Phillips 66 (PSX) at 8.15%. This indicates that MPC's price experiences larger fluctuations and is considered to be riskier than PSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| MPC | PSX | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 10.61% | 8.15% | +2.46% |
Volatility (6M)Calculated over the trailing 6-month period | 26.12% | 23.07% | +3.05% |
Volatility (1Y)Calculated over the trailing 1-year period | 32.06% | 29.96% | +2.10% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 33.09% | 33.18% | -0.09% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 40.22% | 35.36% | +4.86% |
Dividends
MPC vs. PSX - Dividend Comparison
MPC's dividend yield for the trailing twelve months is around 1.58%, less than PSX's 2.93% 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% |
PSX Phillips 66 | 2.93% | 3.68% | 3.95% | 3.15% | 3.68% | 5.00% | 5.15% | 3.14% | 3.60% | 2.70% | 2.84% | 2.67% |
Financials
MPC vs. PSX - Financials Comparison
This section allows you to compare key financial metrics between Marathon Petroleum Corporation and Phillips 66. 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. PSX - 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%.
PSX - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported a gross profit of 0.00 and revenue of 33.00B. 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%.
PSX - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported an operating income of 0.00 and revenue of 33.00B, resulting in an operating margin of 0.0%.
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%.
PSX - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Phillips 66 reported a net income of 207.00M and revenue of 33.00B, resulting in a net margin of 0.6%.
Frequently Asked Questions
MPC and PSX have a correlation of 0.81, 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 PSX (8.15%). In terms of maximum drawdown, MPC dropped -79.67% vs PSX's -64.21%.
MPC currently has the higher Sharpe Ratio (1.54 vs 1.33), 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.
Find the right allocation for MPC and PSX
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer