GWW vs ROL: Correlation
W. W. Grainger (GWW) and Rollins, Inc. (ROL) show a moderate relationship: their 3-year correlation of weekly returns is 0.35.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GWW and ROL?
Over the past 3 years, GWW and ROL moved with a correlation of 0.35, which is moderate. Recent behaviour matches the longer record: 0.26 over 1 year against 0.35 over 3. Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 190.2 %².
Within GWW's tracked universe of 29 assets, ROL comes in at #19 by 3-year correlation. The last year tells two different stories: GWW led by 66.7 percentage points, +31.0% for GWW against -35.7% for ROL. On a rolling one-year basis the correlation drifted between 0.28 and 0.60, a moderate band.
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.
GWW vs ROL: side by side
| GWW (W. W. Grainger) | ROL (Rollins, Inc.) | |
|---|---|---|
| 1-year return | +31.0% | -35.7% |
| 5-year return | +219.4% | -1.8% |
| Volatility (ann.) | 23.3% | 23.2% |
| Beta vs S&P 500 | 0.74 | 0.51 |
| Max drawdown (3Y) | -24.5% | -44.6% |
| Market cap | $62.2B | $17.3B |
| P/E (trailing) | 34.0 | 32.7 |
| Dividend yield | 0.69% | 1.94% |
| Sector / category | Industrials | Industrials |
Year-by-year returns
| Year | GWW | ROL |
|---|---|---|
| 2022 | +8.7% | +8.1% |
| 2023 | +50.5% | +21.2% |
| 2024 | +28.2% | +7.6% |
| 2025 | -3.4% | +31.1% |
| 2026 | +31.7% | -39.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GWW and ROL good diversifiers for each other?
Reasonably. At 0.35, GWW and ROL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between GWW and ROL?
The GWW/ROL correlation stands at 0.35 on a 3-year window (1 year: 0.26, 5 years: 0.40), computed from weekly returns as of 2026-08-27.
Is ROL a good diversifier for GWW?
Reasonably. At 0.35, GWW and ROL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.35 mean?
On the −1 to +1 scale, 0.35 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/gww-vs-rol.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gww-vs-rol/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GWW correlations · ROL correlations
