CLFD vs ORLY: Correlation
How closely do Clearfield, Inc. (CLFD) and O'Reilly Automotive (ORLY) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CLFD and ORLY?
Over the past 3 years, CLFD and ORLY moved with a correlation of -0.20, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.37) than the 3-year average (-0.20). Over 5 years the correlation is 0.07, and the annualized covariance of weekly returns is -193.8 %².
Among the 12 assets we track against CLFD, ORLY sits near the bottom by co-movement, at rank #9. Over the last 12 months CLFD came out ahead by 7.1 percentage points (-8.5% against -15.6%). Risk is not evenly split, since CLFD carries 2.5 times the volatility of the other side.
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.
CLFD vs ORLY: side by side
| CLFD (Clearfield, Inc.) | ORLY (O'Reilly Automotive) | |
|---|---|---|
| 1-year return | -8.5% | -15.6% |
| 5-year return | -35.2% | +120.8% |
| Volatility (ann.) | 49.0% | 19.8% |
| Beta vs S&P 500 | 1.34 | 0.20 |
| Max drawdown (3Y) | -48.0% | -23.3% |
| Market cap | $0.4B | $71.1B |
| P/E (trailing) | 103.3 | 28.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Consumer Discretionary |
Year-by-year returns
| Year | CLFD | ORLY |
|---|---|---|
| 2022 | +11.5% | +19.5% |
| 2023 | -69.1% | +12.6% |
| 2024 | +6.6% | +24.8% |
| 2025 | -6.0% | +15.4% |
| 2026 | +2.8% | -3.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CLFD and ORLY good diversifiers for each other?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
FAQ
What is the correlation between CLFD and ORLY?
Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.37 over the last year and 0.07 over 5 years.
Is ORLY a good diversifier for CLFD?
By historical standards, yes. A correlation of -0.20 means the two rarely move for the same reasons.
What does a correlation of -0.20 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/clfd-vs-orly.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/clfd-vs-orly/)
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Related comparisons
Hubs: CLFD correlations · ORLY correlations
