CLB vs RNGR: Correlation
Core Laboratories Inc. (CLB) and Ranger Energy Services, Inc. (RNGR) show a strong relationship: their 3-year correlation of weekly returns is 0.62.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLB and RNGR?
Across a 3-year window, the weekly returns of CLB and RNGR correlate at 0.62, strong. The relationship has been stable: the 1-year correlation (0.66) sits close to the 3-year figure. Stretching to 5 years gives 0.45, with an annualized covariance of 1230.1 %².
Within CLB's tracked universe of 15 assets, RNGR comes in at #5 by 3-year correlation. The trailing year gives RNGR the advantage: +10.6% versus +19.0%, a 8.4-point spread.
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.
CLB vs RNGR: side by side
| CLB (Core Laboratories Inc.) | RNGR (Ranger Energy Services, Inc.) | |
|---|---|---|
| 1-year return | +10.6% | +19.0% |
| 5-year return | -55.8% | +129.0% |
| Volatility (ann.) | 53.1% | 37.1% |
| Beta vs S&P 500 | 0.91 | 0.49 |
| Max drawdown (3Y) | -62.5% | -40.5% |
| Market cap | $0.6B | $0.4B |
| P/E (trailing) | 23.2 | 26.4 |
| Dividend yield | 0.33% | 1.52% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CLB | RNGR |
|---|---|---|
| 2022 | -9.0% | +7.2% |
| 2023 | -12.7% | -6.3% |
| 2024 | -1.8% | +53.9% |
| 2025 | -7.1% | -7.9% |
| 2026 | -23.2% | +18.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLB and RNGR good diversifiers for each other?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between CLB and RNGR?
The CLB/RNGR correlation stands at 0.62 on a 3-year window (1 year: 0.66, 5 years: 0.45), computed from weekly returns as of 2026-08-27.
Is RNGR a good diversifier for CLB?
To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.62 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/clb-vs-rngr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/clb-vs-rngr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CLB correlations · RNGR correlations
