EFX vs PUMP: Correlation
Equifax (EFX) and ProPetro Holding Corp. (PUMP) show a negative relationship: their 3-year correlation of weekly returns is -0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFX and PUMP?
Over the past 3 years, EFX and PUMP moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.53 versus -0.19 over 3 years. Over 5 years the correlation is -0.11, and the annualized covariance of weekly returns is -421.6 %².
By 3-year correlation, PUMP places #47 of the 53 assets tracked against EFX. Correlation aside, the last 12 months split them widely, with PUMP ahead by 150.0 points (-21.8% versus +128.2%). Note the risk asymmetry: PUMP runs 2.0 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
EFX vs PUMP: side by side
| EFX (Equifax) | PUMP (ProPetro Holding Corp.) | |
|---|---|---|
| 1-year return | -21.8% | +128.2% |
| 5-year return | -26.0% | +45.4% |
| Volatility (ann.) | 33.3% | 65.1% |
| Beta vs S&P 500 | 1.25 | 0.73 |
| Max drawdown (3Y) | -49.7% | -59.1% |
| Market cap | $22.4B | $1.4B |
| P/E (trailing) | 33.5 | – |
| Dividend yield | 1.11% | 0.00% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | EFX | PUMP |
|---|---|---|
| 2022 | -33.1% | +28.0% |
| 2023 | +28.2% | -19.2% |
| 2024 | +3.7% | +11.3% |
| 2025 | -14.2% | +1.9% |
| 2026 | -11.7% | +17.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFX and PUMP good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between EFX and PUMP?
Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.53 over the last year and -0.11 over 5 years.
Is PUMP a good diversifier for EFX?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/efx-vs-pump.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/efx-vs-pump/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: EFX correlations · PUMP correlations
