ARCB vs CASY: Correlation
ArcBest Corporation (ARCB) and Casey's (CASY) show a moderate relationship: their 3-year correlation of weekly returns is 0.33.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARCB and CASY?
Over the past 3 years, ARCB and CASY moved with a correlation of 0.33, which is moderate. Recent behaviour matches the longer record: 0.33 over 1 year against 0.33 over 3. Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 447.8 %².
Among the 18 assets we track against ARCB, CASY sits near the bottom by co-movement, at rank #14. Their recent paths diverged sharply: over the last 12 months ARCB outperformed by 36.5 percentage points (+90.2% for ARCB against +53.7% for CASY). Risk is not evenly split, since ARCB carries 1.6 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.
ARCB vs CASY: side by side
| ARCB (ArcBest Corporation) | CASY (Casey's) | |
|---|---|---|
| 1-year return | +90.2% | +53.7% |
| 5-year return | +107.2% | +284.3% |
| Volatility (ann.) | 46.8% | 28.9% |
| Beta vs S&P 500 | 1.33 | 0.39 |
| Max drawdown (3Y) | -62.4% | -16.6% |
| Market cap | $3.1B | $28.2B |
| P/E (trailing) | 198.7 | 42.2 |
| Dividend yield | 0.35% | 0.28% |
| Sector / category | US Listed | Consumer Staples |
Year-by-year returns
| Year | ARCB | CASY |
|---|---|---|
| 2022 | -41.2% | +14.5% |
| 2023 | +72.4% | +23.3% |
| 2024 | -22.1% | +45.0% |
| 2025 | -20.0% | +40.1% |
| 2026 | +88.1% | +38.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARCB and CASY good diversifiers for each other?
Reasonably. At 0.33, ARCB and CASY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between ARCB and CASY?
Using weekly returns as of 2026-08-27: 0.33 over 3 years, with 0.33 over the last year and 0.34 over 5 years.
Is CASY a good diversifier for ARCB?
Reasonably. At 0.33, ARCB and CASY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.33 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/arcb-vs-casy.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/arcb-vs-casy/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ARCB correlations · CASY correlations
