CWST vs RSG: Correlation
Casella Waste Systems, Inc. (CWST) and Republic Services (RSG) show a moderate relationship: their 3-year correlation of weekly returns is 0.58.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CWST and RSG?
Across a 3-year window, the weekly returns of CWST and RSG correlate at 0.58, moderate. Recent behaviour matches the longer record: 0.51 over 1 year against 0.58 over 3. Stretching to 5 years gives 0.58, with an annualized covariance of 249.3 %².
RSG is one of the assets that tracks CWST most closely: it ranks #1 out of the 11 assets we track against CWST. Neither side won the trailing year by much: -7.1% against -5.6%. Risk is not evenly split, since CWST 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.
CWST vs RSG: side by side
| CWST (Casella Waste Systems, Inc.) | RSG (Republic Services) | |
|---|---|---|
| 1-year return | -7.1% | -5.6% |
| 5-year return | +25.0% | +87.9% |
| Volatility (ann.) | 26.7% | 16.2% |
| Beta vs S&P 500 | 0.40 | 0.17 |
| Max drawdown (3Y) | -37.7% | -22.5% |
| Market cap | $5.9B | $67.1B |
| P/E (trailing) | 1162.5 | 31.0 |
| Dividend yield | 0.00% | 1.13% |
| Sector / category | US Listed | Industrials |
Year-by-year returns
| Year | CWST | RSG |
|---|---|---|
| 2022 | -7.2% | -6.2% |
| 2023 | +7.8% | +29.6% |
| 2024 | +23.8% | +23.0% |
| 2025 | -7.4% | +6.4% |
| 2026 | -5.0% | +4.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CWST and RSG good diversifiers for each other?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CWST and RSG?
The CWST/RSG correlation stands at 0.58 on a 3-year window (1 year: 0.51, 5 years: 0.58), computed from weekly returns as of 2026-08-27.
Is RSG a good diversifier for CWST?
Somewhat, no more. With 0.58 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.58 mean?
On the −1 to +1 scale, 0.58 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/cwst-vs-rsg.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cwst-vs-rsg/)
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Related comparisons
Hubs: CWST correlations · RSG correlations
