CAH vs RGR: Correlation
Measured on weekly returns over the past three years, Cardinal Health (CAH) and Sturm, Ruger & Company, Inc. (RGR) carry a correlation of -0.23, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CAH and RGR?
Over the past 3 years, CAH and RGR moved with a correlation of -0.23, which is negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.33) sits close to the 3-year figure. Over 5 years the correlation is -0.05, and the annualized covariance of weekly returns is -169.3 %².
Out of 32 assets tracked against CAH, RGR lands near the bottom at #29. Correlation aside, the last 12 months split them widely, with CAH ahead by 49.9 points (+59.2% versus +9.3%).
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.
CAH vs RGR: side by side
| CAH (Cardinal Health) | RGR (Sturm, Ruger & Company, Inc.) | |
|---|---|---|
| 1-year return | +59.2% | +9.3% |
| 5-year return | +409.0% | -41.2% |
| Volatility (ann.) | 24.2% | 29.8% |
| Beta vs S&P 500 | 0.31 | 0.09 |
| Max drawdown (3Y) | -20.4% | -46.0% |
| Market cap | $54.7B | $0.6B |
| P/E (trailing) | 33.0 | 51.7 |
| Dividend yield | 0.86% | 1.15% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | CAH | RGR |
|---|---|---|
| 2022 | +54.1% | -15.4% |
| 2023 | +34.1% | -8.0% |
| 2024 | +19.0% | -20.9% |
| 2025 | +76.3% | -6.1% |
| 2026 | +15.2% | +16.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CAH and RGR good diversifiers for each other?
Yes. With a correlation of -0.23, CAH and RGR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CAH and RGR?
As of 2026-08-27, the correlation of weekly returns between CAH and RGR is -0.23 over 3 years, -0.33 over 1 year and -0.05 over 5 years.
Is RGR a good diversifier for CAH?
Yes. With a correlation of -0.23, CAH and RGR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.23 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/cah-vs-rgr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/cah-vs-rgr/)
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Related comparisons
Hubs: CAH correlations · RGR correlations
