MCK vs RSG: Correlation
McKesson Corporation (MCK) and Republic Services (RSG) 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 MCK and RSG?
Over the past 3 years, MCK and RSG moved with a correlation of 0.35, which is moderate. The relationship has been stable: the 1-year correlation (0.32) sits close to the 3-year figure. Over 5 years the correlation is 0.36, and the annualized covariance of weekly returns is 141.3 %².
By 3-year correlation, RSG places #14 of the 35 assets tracked against MCK. Correlation aside, the last 12 months split them widely, with MCK ahead by 36.4 points (+30.8% versus -5.6%). The rolling one-year correlation moved between 0.07 and 0.56 over the past three years, a moderate range. Note the risk asymmetry: MCK runs 1.5 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
MCK vs RSG: side by side
| MCK (McKesson Corporation) | RSG (Republic Services) | |
|---|---|---|
| 1-year return | +30.8% | -5.6% |
| 5-year return | +354.8% | +87.9% |
| Volatility (ann.) | 25.1% | 16.2% |
| Beta vs S&P 500 | 0.16 | 0.17 |
| Max drawdown (3Y) | -27.2% | -22.5% |
| Market cap | $103.8B | $67.1B |
| P/E (trailing) | 24.0 | 31.0 |
| Dividend yield | 0.37% | 1.13% |
| Sector / category | Health Care | Industrials |
Year-by-year returns
| Year | MCK | RSG |
|---|---|---|
| 2022 | +51.8% | -6.2% |
| 2023 | +24.1% | +29.6% |
| 2024 | +23.7% | +23.0% |
| 2025 | +44.5% | +6.4% |
| 2026 | +8.8% | +4.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MCK and RSG good diversifiers for each other?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MCK and RSG?
The MCK/RSG correlation stands at 0.35 on a 3-year window (1 year: 0.32, 5 years: 0.36), computed from weekly returns as of 2026-08-27.
Is RSG a good diversifier for MCK?
A fair diversifier. At 0.35, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.35 mean?
A reading of 0.35 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mck-vs-rsg.json
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Related comparisons
Hubs: MCK correlations · RSG correlations
