PNRG vs. MPC

Last updated Jun 3, 2026

PNRG (PrimeEnergy Resources Corporation) and MPC (Marathon Petroleum Corporation) are both stocks. Both are in the Energy sector — PNRG in Oil & Gas E&P, MPC in Oil & Gas Refining & Marketing. Over the past 10 years, PNRG returned 11.63%/yr vs 25.97%/yr for MPC. At a 0.13 correlation, their price movements are largely independent.

Performance

PNRG vs. MPC - Performance Comparison

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

Returns By Period

In the year-to-date period, PNRG achieves a 6.76% return, which is significantly lower than MPC's 63.18% return. Over the past 10 years, PNRG has underperformed MPC with an annualized return of 11.63%, while MPC has yielded a comparatively higher 25.97% annualized return.

PNRG

• 1D: 0.14%
• 1M: -15.65%
• YTD: 6.76%
• 6M: 0.83%
• 1Y: -2.01%
• 3Y*: 23.47%
• 5Y*: 31.17%
• 10Y*: 11.63%

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%

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

PNRG vs. MPC - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PNRG PrimeEnergy Resources Corporation	6.76%	-22.13%	106.48%	22.42%	23.92%	62.38%	-71.46%	115.93%	36.02%	-4.63%
MPC Marathon Petroleum Corporation	63.18%	19.17%	-4.06%	30.46%	86.62%	61.00%	-27.38%	6.05%	-8.23%	34.78%

Correlation

The correlation between PNRG and MPC is 0.40, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.40
Correlation (3Y) Calculated over the trailing 3-year period	0.31
Correlation (5Y) Calculated over the trailing 5-year period	0.31
Correlation (10Y) Calculated over the trailing 10-year period	0.19
Correlation (All Time) Calculated using the full available price history since Jul 5, 2011	0.13

Over the past year, PNRG and MPC have become more correlated (0.40) than their long-term average of 0.13, meaning their price movements have been converging.

Fundamentals

EPS PNRG : $10.42 MPC : $15.35
PE Ratio PNRG : 17.51 MPC : 17.14
PEG Ratio PNRG : 0.03 MPC : 0.08
PS Ratio PNRG : 2.25 MPC : 0.58
Total Revenue (TTM) PNRG : $196.05M MPC : $135.75B
Gross Profit (TTM) PNRG : $49.86M MPC : $11.95B
EBITDA (TTM) PNRG : $122.02M MPC : $12.39B

Return for Risk

PNRG vs. MPC — Risk / Return Rank

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

PNRG

PNRG Risk / Return Rank: 37
PNRG Sharpe Ratio Rank: 39
PNRG Sortino Ratio Rank: 39
PNRG Omega Ratio Rank: 39
PNRG Calmar Ratio Rank: 35
PNRG Martin Ratio Rank: 33

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.

PNRG vs. MPC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for PrimeEnergy Resources Corporation (PNRG) 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.

	PNRG	MPC	Difference
Sharpe ratio Return per unit of total volatility	-0.03	2.20	-2.23
Sortino ratio Return per unit of downside risk	0.41	2.75	-2.33
Omega ratio Gain probability vs. loss probability	1.06	1.37	-0.31
Calmar ratio Return relative to maximum drawdown	-0.14	3.65	-3.79
Martin ratio Return relative to average drawdown	-0.39	9.65	-10.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PNRG vs. MPC - Sharpe Ratio Comparison

The current PNRG Sharpe Ratio is -0.03, which is lower than the MPC Sharpe Ratio of 2.20. The chart below compares the historical Sharpe Ratios of PNRG and MPC, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	PNRG	MPC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.03	2.20	-2.23
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.63	1.10	-0.48
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.19	0.65	-0.45
Sharpe Ratio (All Time) Calculated using the full available price history	0.25	0.56	-0.31

Drawdowns

PNRG vs. MPC - Drawdown Comparison

The maximum PNRG drawdown since its inception was -81.00%, roughly equal to the maximum MPC drawdown of -79.67%. Use the drawdown chart below to compare losses from any high point for PNRG and MPC.

Drawdown Indicators

	PNRG	MPC	Difference
Max Drawdown Largest peak-to-trough decline	-81.00%	-79.67%	-1.33%
Max Drawdown (1Y) Largest decline over 1 year	-39.61%	-18.33%	-21.28%
Max Drawdown (3Y) Largest decline over 3 years	-44.55%	-44.75%	+0.20%
Max Drawdown (5Y) Largest decline over 5 years	-44.55%	-44.75%	+0.20%
Max Drawdown (10Y) Largest decline over 10 years	-81.00%	-79.67%	-1.33%
Current Drawdown Current decline from peak	-33.03%	0.00%	-33.03%
Average Drawdown Average peak-to-trough decline	-38.39%	-17.37%	-21.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.09%	6.93%	+7.16%

Volatility

PNRG vs. MPC - Volatility Comparison

PrimeEnergy Resources Corporation (PNRG) has a higher volatility of 34.76% compared to Marathon Petroleum Corporation (MPC) at 11.47%. This indicates that PNRG's price experiences larger fluctuations and is considered to be riskier than MPC based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PNRG	MPC	Difference
Volatility (1M) Calculated over the trailing 1-month period	34.76%	11.47%	+23.29%
Volatility (6M) Calculated over the trailing 6-month period	48.61%	25.79%	+22.82%
Volatility (1Y) Calculated over the trailing 1-year period	66.24%	31.50%	+34.74%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	50.24%	33.03%	+17.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	60.29%	40.27%	+20.02%

Dividends

PNRG vs. MPC - Dividend Comparison

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

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%
PNRG PrimeEnergy Resources Corporation	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Financials

Frequently Asked Questions

Can I hold both PNRG and MPC in my portfolio?

PNRG and MPC have a correlation of 0.40, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PNRG or MPC?

PNRG has higher volatility (34.76%) compared to MPC (11.47%). In terms of maximum drawdown, PNRG dropped -81.00% vs MPC's -79.67%.

Which has better risk-adjusted returns?

MPC currently has the higher Sharpe Ratio (2.20 vs -0.03), 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.