EFXT vs PDS: Correlation
Measured on weekly returns over the past three years, Enerflex Ltd (EFXT) and Precision Drilling Corporation (PDS) carry a correlation of 0.47, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFXT and PDS?
On 3 years of weekly data the EFXT/PDS correlation comes out at 0.47, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.33 versus 0.47 over 3 years. The 5-year figure is 0.56, and annualized covariance runs at 789.7 %².
Among the 10 assets we track against EFXT, PDS ranks #4 by 3-year correlation. The last year tells two different stories: EFXT led by 55.4 percentage points, +113.7% for EFXT against +58.3% for PDS.
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.
EFXT vs PDS: side by side
| EFXT (Enerflex Ltd) | PDS (Precision Drilling Corporation) | |
|---|---|---|
| 1-year return | +113.7% | +58.3% |
| 5-year return | +257.3% | +182.9% |
| Volatility (ann.) | 44.8% | 37.7% |
| Beta vs S&P 500 | 0.65 | 0.49 |
| Max drawdown (3Y) | -38.6% | -50.5% |
| Market cap | $2.5B | $1.2B |
| P/E (trailing) | 45.2 | – |
| Dividend yield | 0.61% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EFXT | PDS |
|---|---|---|
| 2022 | +5.8% | +116.5% |
| 2023 | -25.1% | -29.2% |
| 2024 | +115.8% | +12.5% |
| 2025 | +56.2% | +17.7% |
| 2026 | +35.3% | +25.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFXT and PDS good diversifiers for each other?
Reasonably. At 0.47, EFXT and PDS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between EFXT and PDS?
The EFXT/PDS correlation stands at 0.47 on a 3-year window (1 year: 0.33, 5 years: 0.56), computed from weekly returns as of 2026-08-27.
Is PDS a good diversifier for EFXT?
Reasonably. At 0.47, EFXT and PDS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.47 mean?
A reading of 0.47 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/efxt-vs-pds.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/efxt-vs-pds/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: EFXT correlations · PDS correlations
