PUMP vs SEI: Correlation
How closely do ProPetro Holding Corp. (PUMP) and Solaris Energy Infrastructure, Inc. (SEI) trade together? Their weekly returns over three years give a correlation of 0.48, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PUMP and SEI?
Across a 3-year window, the weekly returns of PUMP and SEI correlate at 0.48, moderate. The relationship has been stable: the 1-year correlation (0.39) sits close to the 3-year figure. Stretching to 5 years gives 0.56, with an annualized covariance of 2266.2 %².
Within PUMP's tracked universe of 28 assets, SEI comes in at #6 by 3-year correlation. The last year tells two different stories: PUMP led by 48.0 percentage points, +128.2% for PUMP against +80.2% for SEI.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
PUMP vs SEI: side by side
| PUMP (ProPetro Holding Corp.) | SEI (Solaris Energy Infrastructure, Inc.) | |
|---|---|---|
| 1-year return | +128.2% | +80.2% |
| 5-year return | +45.4% | +759.3% |
| Volatility (ann.) | 65.1% | 72.5% |
| Beta vs S&P 500 | 0.73 | 1.79 |
| Max drawdown (3Y) | -59.1% | -55.4% |
| Market cap | $1.4B | $5.3B |
| P/E (trailing) | – | 66.1 |
| Dividend yield | 0.00% | 0.93% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PUMP | SEI |
|---|---|---|
| 2022 | +28.0% | +57.5% |
| 2023 | -19.2% | -15.7% |
| 2024 | +11.3% | +277.7% |
| 2025 | +1.9% | +62.3% |
| 2026 | +17.6% | +15.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PUMP and SEI good diversifiers for each other?
Reasonably. At 0.48, PUMP and SEI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between PUMP and SEI?
As of 2026-08-27, the correlation of weekly returns between PUMP and SEI is 0.48 over 3 years, 0.39 over 1 year and 0.56 over 5 years.
Is SEI a good diversifier for PUMP?
Reasonably. At 0.48, PUMP and SEI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.48 mean?
A reading of 0.48 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pump-vs-sei.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/pump-vs-sei/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: PUMP correlations · SEI correlations
