EFXT vs OLLI: Correlation
How closely do Enerflex Ltd (EFXT) and Ollie's Bargain Outlet Holdings, Inc. (OLLI) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are EFXT and OLLI?
Across a 3-year window, the weekly returns of EFXT and OLLI correlate at -0.21, negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.39) than the 3-year average (-0.21). Stretching to 5 years gives -0.06, with an annualized covariance of -323.5 %².
Out of 10 assets tracked against EFXT, OLLI lands near the bottom at #8. Correlation aside, the last 12 months split them widely, with EFXT ahead by 158.9 points (+113.7% versus -45.2%).
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 OLLI: side by side
| EFXT (Enerflex Ltd) | OLLI (Ollie's Bargain Outlet Holdings, Inc.) | |
|---|---|---|
| 1-year return | +113.7% | -45.2% |
| 5-year return | +257.3% | -6.7% |
| Volatility (ann.) | 44.8% | 35.2% |
| Beta vs S&P 500 | 0.65 | 0.75 |
| Max drawdown (3Y) | -38.6% | -56.1% |
| Market cap | $2.5B | $4.3B |
| P/E (trailing) | 45.2 | 18.4 |
| Dividend yield | 0.61% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | EFXT | OLLI |
|---|---|---|
| 2022 | +5.8% | -8.5% |
| 2023 | -25.1% | +62.0% |
| 2024 | +115.8% | +44.6% |
| 2025 | +56.2% | -0.1% |
| 2026 | +35.3% | -34.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are EFXT and OLLI good diversifiers for each other?
Yes. With a correlation of -0.21, EFXT and OLLI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between EFXT and OLLI?
The EFXT/OLLI correlation stands at -0.21 on a 3-year window (1 year: -0.39, 5 years: -0.06), computed from weekly returns as of 2026-08-27.
Is OLLI a good diversifier for EFXT?
Yes. With a correlation of -0.21, EFXT and OLLI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 mean?
On the −1 to +1 scale, -0.21 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/efxt-vs-olli.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/efxt-vs-olli/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: EFXT correlations · OLLI correlations
