PSX vs. MPC

Last updated Apr 1, 2026

Compare and contrast key facts about Phillips 66 (PSX) and Marathon Petroleum Corporation (MPC).

Performance

PSX vs. MPC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Phillips 66 (PSX) and Marathon Petroleum Corporation (MPC). The values are adjusted to include any dividend payments, if applicable.

PSX vs. MPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PSX Phillips 66	42.34%	17.51%	-11.63%	33.07%	49.58%	8.51%	-33.85%	33.97%	-12.28%	20.94%
MPC Marathon Petroleum Corporation	50.90%	19.17%	-4.06%	30.46%	86.62%	61.00%	-27.38%	6.05%	-8.23%	34.78%

Fundamentals

Market Cap PSX : $73.81B MPC : $73.01B
EPS PSX : $10.84 MPC : $13.31
PE Ratio PSX : 16.81 MPC : 18.34
PEG Ratio PSX : 0.10 MPC : 0.08
PS Ratio PSX : 0.56 MPC : 0.56
PB Ratio PSX : 2.54 MPC : 3.06
Total Revenue (TTM) PSX : $132.43B MPC : $132.97B
Gross Profit (TTM) PSX : $6.75B MPC : $10.27B
EBITDA (TTM) PSX : $9.75B MPC : $11.63B

Returns By Period

In the year-to-date period, PSX achieves a 42.34% return, which is significantly lower than MPC's 50.90% return. Over the past 10 years, PSX has underperformed MPC with an annualized return of 11.98%, while MPC has yielded a comparatively higher 24.77% annualized return.

PSX

• 1D: -1.42%
• 1M: 18.05%
• YTD: 42.34%
• 6M: 36.19%
• 1Y: 52.96%
• 3Y*: 25.98%
• 5Y*: 21.57%
• 10Y*: 11.98%

MPC

• 1D: -0.40%
• 1M: 23.19%
• YTD: 50.90%
• 6M: 27.96%
• 1Y: 71.20%
• 3Y*: 24.54%
• 5Y*: 37.72%
• 10Y*: 24.77%

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

Return for Risk

PSX vs. MPC — Risk / Return Rank

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

PSX

PSX Risk / Return Rank: 82
PSX Sharpe Ratio Rank: 84
PSX Sortino Ratio Rank: 78
PSX Omega Ratio Rank: 81
PSX Calmar Ratio Rank: 80
PSX Martin Ratio Rank: 84

MPC

MPC Risk / Return Rank: 89
MPC Sharpe Ratio Rank: 91
MPC Sortino Ratio Rank: 87
MPC Omega Ratio Rank: 89
MPC Calmar Ratio Rank: 90
MPC Martin Ratio Rank: 89

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.

PSX vs. MPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Phillips 66 (PSX) and Marathon Petroleum Corporation (MPC). 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.

	PSX	MPC	Difference
Sharpe ratio Return per unit of total volatility	1.46	2.03	-0.57
Sortino ratio Return per unit of downside risk	1.97	2.49	-0.52
Omega ratio Gain probability vs. loss probability	1.29	1.37	-0.08
Calmar ratio Return relative to maximum drawdown	2.18	3.68	-1.51
Martin ratio Return relative to average drawdown	7.32	9.99	-2.67
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PSX vs. MPC - Sharpe Ratio Comparison

The current PSX Sharpe Ratio is 1.46, which is comparable to the MPC Sharpe Ratio of 2.03. The chart below compares the historical Sharpe Ratios of PSX and MPC, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	PSX	MPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.46	2.03	-0.57
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.66	1.16	-0.51
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.34	0.62	-0.28
Sharpe Ratio (All Time) Calculated using the full available price history	0.51	0.55	-0.04

Correlation

The correlation between PSX and MPC is 0.76, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

PSX vs. MPC - Dividend Comparison

PSX's dividend yield for the trailing twelve months is around 2.67%, more than MPC's 1.56% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
PSX Phillips 66	2.67%	3.68%	3.95%	3.15%	3.68%	5.00%	5.15%	3.14%	3.60%	2.70%	2.84%	2.67%
MPC Marathon Petroleum Corporation	1.56%	2.29%	2.43%	2.07%	2.14%	3.63%	5.61%	3.52%	3.12%	2.30%	2.70%	2.20%

Drawdowns

PSX vs. MPC - Drawdown Comparison

The maximum PSX drawdown since its inception was -64.21%, smaller than the maximum MPC drawdown of -79.67%. Use the drawdown chart below to compare losses from any high point for PSX and MPC.

Drawdown Indicators

	PSX	MPC	Difference
Max Drawdown Largest peak-to-trough decline	-64.21%	-79.67%	+15.46%
Max Drawdown (1Y) Largest decline over 1 year	-25.32%	-19.84%	-5.48%
Max Drawdown (5Y) Largest decline over 5 years	-44.37%	-44.75%	+0.38%
Max Drawdown (10Y) Largest decline over 10 years	-64.21%	-79.67%	+15.46%
Current Drawdown Current decline from peak	-3.24%	-3.07%	-0.17%
Average Drawdown Average peak-to-trough decline	-14.82%	-17.50%	+2.68%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.53%	7.31%	+0.22%

Volatility

PSX vs. MPC - Volatility Comparison

The current volatility for Phillips 66 (PSX) is 9.01%, while Marathon Petroleum Corporation (MPC) has a volatility of 10.32%. This indicates that PSX experiences smaller price fluctuations and is considered to be less risky than MPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PSX	MPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.01%	10.32%	-1.31%
Volatility (6M) Calculated over the trailing 6-month period	21.26%	23.91%	-2.65%
Volatility (1Y) Calculated over the trailing 1-year period	36.38%	35.26%	+1.12%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.02%	32.62%	+0.40%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	35.14%	40.20%	-5.06%

Financials

PSX vs. MPC - Profitability Comparison

The chart below illustrates the profitability comparison between Phillips 66 and Marathon Petroleum Corporation over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

PSX - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Phillips 66 reported a gross profit of 2.27B and revenue of 34.11B. Therefore, the gross margin over that period was 6.7%.

MPC - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Apr 2026, Marathon Petroleum Corporation reported a gross profit of 3.16B and revenue of 32.85B. Therefore, the gross margin over that period was 9.6%.

PSX - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Phillips 66 reported an operating income of 1.61B and revenue of 34.11B, resulting in an operating margin of 4.7%.

MPC - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Apr 2026, Marathon Petroleum Corporation reported an operating income of 2.32B and revenue of 32.85B, resulting in an operating margin of 7.1%.

PSX - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Phillips 66 reported a net income of 2.91B and revenue of 34.11B, resulting in a net margin of 8.5%.

MPC - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Apr 2026, Marathon Petroleum Corporation reported a net income of 1.54B and revenue of 32.85B, resulting in a net margin of 4.7%.