ARCB vs GWW: Correlation
ArcBest Corporation (ARCB) and W. W. Grainger (GWW) show a moderate relationship: their 3-year correlation of weekly returns is 0.55.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ARCB and GWW?
Over the past 3 years, ARCB and GWW moved with a correlation of 0.55, which is moderate. The relationship has been stable: the 1-year correlation (0.52) sits close to the 3-year figure. Over 5 years the correlation is 0.45, and the annualized covariance of weekly returns is 596.9 %².
Within ARCB's tracked universe of 18 assets, GWW comes in at #10 by 3-year correlation. Correlation aside, the last 12 months split them widely, with ARCB ahead by 59.2 points (+90.2% versus +31.0%). One caveat on sizing: ARCB is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 GWW: side by side
| ARCB (ArcBest Corporation) | GWW (W. W. Grainger) | |
|---|---|---|
| 1-year return | +90.2% | +31.0% |
| 5-year return | +107.2% | +219.4% |
| Volatility (ann.) | 46.8% | 23.3% |
| Beta vs S&P 500 | 1.33 | 0.74 |
| Max drawdown (3Y) | -62.4% | -24.5% |
| Market cap | $3.1B | $62.2B |
| P/E (trailing) | 198.7 | 34.0 |
| Dividend yield | 0.35% | 0.69% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | ARCB | GWW |
|---|---|---|
| 2022 | -41.2% | +8.7% |
| 2023 | +72.4% | +50.5% |
| 2024 | -22.1% | +28.2% |
| 2025 | -20.0% | -3.4% |
| 2026 | +88.1% | +31.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ARCB and GWW good diversifiers for each other?
To a limited degree. At 0.55 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 ARCB and GWW?
The ARCB/GWW correlation stands at 0.55 on a 3-year window (1 year: 0.52, 5 years: 0.45), computed from weekly returns as of 2026-08-27.
Is GWW a good diversifier for ARCB?
To a limited degree. At 0.55 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 0.55 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-gww.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/arcb-vs-gww/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ARCB correlations · GWW correlations
