PUMP vs. SEI

Last updated Jun 17, 2026

PUMP (ProPetro Holding Corp.) and SEI (Solaris Energy Infrastructure, Inc) are both stocks. Both operate in the Oil & Gas Equipment & Services industry within the Energy sector. Over the past 5 years, PUMP returned 7.20%/yr vs 57.53%/yr for SEI. A 0.57 correlation means they provide meaningful diversification when combined.

Performance

PUMP vs. SEI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProPetro Holding Corp. (PUMP) and Solaris Energy Infrastructure, Inc (SEI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PUMP achieves a 56.15% return, which is significantly lower than SEI's 66.35% return.

PUMP

• 1D: -2.24%
• 1M: -14.90%
• YTD: 56.15%
• 6M: 55.99%
• 1Y: 130.59%
• 3Y*: 23.57%
• 5Y*: 7.20%
• 10Y*: —

SEI

• 1D: -2.46%
• 1M: -2.92%
• YTD: 66.35%
• 6M: 75.35%
• 1Y: 172.00%
• 3Y*: 115.76%
• 5Y*: 57.53%
• 10Y*: —

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

PUMP vs. SEI - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PUMP ProPetro Holding Corp.	56.15%	1.93%	11.34%	-19.19%	28.02%	9.61%	-34.31%	-8.69%	-38.89%	62.97%
SEI Solaris Energy Infrastructure, Inc	66.35%	62.29%	277.66%	-15.75%	57.46%	-15.55%	-38.09%	19.10%	-43.06%	75.35%

Correlation

The correlation between PUMP and SEI is 0.33, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.33
Correlation (3Y) Calculated over the trailing 3-year period	0.48
Correlation (5Y) Calculated over the trailing 5-year period	0.58
Correlation (All Time) Calculated using the full available price history since May 12, 2017	0.57

Over the past year, the correlation between PUMP and SEI has dropped to 0.33 - well below their long-term average of 0.57, suggesting their price drivers have been diverging.

Fundamentals

Market Cap PUMP : $1.74B SEI : $3.77B
EPS PUMP : -$0.22 SEI : $1.03
PS Ratio PUMP : 1.76 SEI : 4.97
PB Ratio PUMP : 1.76 SEI : 4.83
Total Revenue (TTM) PUMP : $909.74M SEI : $692.11M
Gross Profit (TTM) PUMP : $79.21M SEI : $235.28M
EBITDA (TTM) PUMP : $158.47M SEI : $249.65M

Return for Risk

PUMP vs. SEI — Risk / Return Rank

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

PUMP

PUMP Risk / Return Rank: 86
PUMP Sharpe Ratio Rank: 85
PUMP Sortino Ratio Rank: 88
PUMP Omega Ratio Rank: 85
PUMP Calmar Ratio Rank: 89
PUMP Martin Ratio Rank: 86

SEI

SEI Risk / Return Rank: 90
SEI Sharpe Ratio Rank: 92
SEI Sortino Ratio Rank: 87
SEI Omega Ratio Rank: 84
SEI Calmar Ratio Rank: 95
SEI Martin Ratio Rank: 94

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.

PUMP vs. SEI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProPetro Holding Corp. (PUMP) and Solaris Energy Infrastructure, Inc (SEI). 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.

	PUMP	SEI	Difference
Sharpe ratio: Return per unit of total volatility	1.66	2.37	-0.71
Sortino ratio: Return per unit of downside risk	2.87	2.78	+0.09
Omega ratio: Gain probability vs. loss probability	1.34	1.34	0.00
Calmar ratio: Return relative to maximum drawdown	4.01	6.55	-2.54
Martin ratio: Return relative to average drawdown	8.86	16.48	-7.62

PUMP vs. SEI - Sharpe Ratio Comparison

The current PUMP Sharpe Ratio is 1.66, which is comparable to the SEI Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of PUMP and SEI, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

PUMP vs. SEI - Drawdown Comparison

The maximum PUMP drawdown since its inception was -93.88%, which is greater than SEI's maximum drawdown of -79.49%. Use the drawdown chart below to compare losses from any high point for PUMP and SEI.

Drawdown Indicators

	PUMP	SEI	Difference
Max Drawdown Largest peak-to-trough decline	-93.88%	-79.49%	-14.39%
Max Drawdown (1Y) Largest decline over 1 year	-32.74%	-26.43%	-6.31%
Max Drawdown (3Y) Largest decline over 3 years	-59.13%	-55.37%	-3.76%
Max Drawdown (5Y) Largest decline over 5 years	-72.15%	-55.37%	-16.78%
Current Drawdown Current decline from peak	-39.78%	-2.92%	-36.86%
Average Drawdown Average peak-to-trough decline	-52.14%	-38.58%	-13.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	14.80%	10.48%	+4.32%

Volatility

PUMP vs. SEI - Volatility Comparison

The current volatility for ProPetro Holding Corp. (PUMP) is 18.10%, while Solaris Energy Infrastructure, Inc (SEI) has a volatility of 22.10%. This indicates that PUMP experiences smaller price fluctuations and is considered to be less risky than SEI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PUMP	SEI	Difference
Volatility (1M) Calculated over the trailing 1-month period	18.10%	22.10%	-4.00%
Volatility (6M) Calculated over the trailing 6-month period	39.69%	50.80%	-11.11%
Volatility (1Y) Calculated over the trailing 1-year period	79.15%	73.21%	+5.94%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	62.31%	66.84%	-4.53%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	70.95%	62.28%	+8.67%

Dividends

PUMP vs. SEI - Dividend Comparison

PUMP has not paid dividends to shareholders, while SEI's dividend yield for the trailing twelve months is around 0.63%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018
PUMP ProPetro Holding Corp.	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SEI Solaris Energy Infrastructure, Inc	0.63%	1.04%	1.67%	5.65%	4.23%	6.41%	5.16%	2.89%	0.83%

Financials

Frequently Asked Questions

Can I hold both PUMP and SEI in my portfolio?

PUMP and SEI have a correlation of 0.33, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PUMP or SEI?

SEI has higher volatility (22.10%) compared to PUMP (18.10%). In terms of maximum drawdown, PUMP dropped -93.88% vs SEI's -79.49%.

Which has better risk-adjusted returns?

SEI currently has the higher Sharpe Ratio (2.37 vs 1.66), 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.