ROK vs RRX: Correlation
Measured on weekly returns over the past three years, Rockwell Automation (ROK) and Regal Rexnord Corporation (RRX) carry a correlation of 0.56, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ROK and RRX?
On 3 years of weekly data the ROK/RRX correlation comes out at 0.56, moderate. The past 12 months show a weaker link (0.39) than the 3-year average (0.56). The 5-year figure is 0.56, and annualized covariance runs at 657.4 %².
By 3-year correlation, RRX places #7 of the 37 assets tracked against ROK. Correlation aside, the last 12 months split them widely, with ROK ahead by 17.5 points (+25.7% versus +8.2%). Note the risk asymmetry: RRX 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.
ROK vs RRX: side by side
| ROK (Rockwell Automation) | RRX (Regal Rexnord Corporation) | |
|---|---|---|
| 1-year return | +25.7% | +8.2% |
| 5-year return | +44.9% | +18.1% |
| Volatility (ann.) | 27.9% | 42.0% |
| Beta vs S&P 500 | 0.97 | 1.10 |
| Max drawdown (3Y) | -29.0% | -48.1% |
| Market cap | $48.2B | $10.9B |
| P/E (trailing) | 40.6 | 34.0 |
| Dividend yield | 1.26% | 0.85% |
| Sector / category | Industrials | US Listed |
Year-by-year returns
| Year | ROK | RRX |
|---|---|---|
| 2022 | -24.8% | -28.7% |
| 2023 | +22.6% | +24.6% |
| 2024 | -6.2% | +5.7% |
| 2025 | +38.4% | -8.6% |
| 2026 | +12.4% | +17.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ROK and RRX good diversifiers for each other?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ROK and RRX?
Using weekly returns as of 2026-08-27: 0.56 over 3 years, with 0.39 over the last year and 0.56 over 5 years.
Is RRX a good diversifier for ROK?
Somewhat, no more. With 0.56 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.56 mean?
A reading of 0.56 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/rok-vs-rrx.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/rok-vs-rrx/)
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Related comparisons
Hubs: ROK correlations · RRX correlations
