NTRS vs ROK: Correlation
Northern Trust (NTRS) and Rockwell Automation (ROK) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NTRS and ROK?
Over the past 3 years, NTRS and ROK moved with a correlation of 0.54, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.36 versus 0.54 over 3 years. Over 5 years the correlation is 0.48, and the annualized covariance of weekly returns is 356.6 %².
Within NTRS's tracked universe of 33 assets, ROK comes in at #21 by 3-year correlation. The last year tells two different stories: NTRS led by 19.1 percentage points, +44.8% for NTRS against +25.7% for ROK. On a rolling one-year basis the correlation drifted between 0.31 and 0.69, 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.
NTRS vs ROK: side by side
| NTRS (Northern Trust) | ROK (Rockwell Automation) | |
|---|---|---|
| 1-year return | +44.8% | +25.7% |
| 5-year return | +83.2% | +44.9% |
| Volatility (ann.) | 23.7% | 27.9% |
| Beta vs S&P 500 | 1.08 | 0.97 |
| Max drawdown (3Y) | -25.2% | -29.0% |
| Market cap | $34.1B | $48.2B |
| P/E (trailing) | 16.1 | 40.6 |
| Dividend yield | 1.71% | 1.26% |
| Sector / category | Financials | Industrials |
Year-by-year returns
| Year | NTRS | ROK |
|---|---|---|
| 2022 | -23.8% | -24.8% |
| 2023 | -1.0% | +22.6% |
| 2024 | +25.6% | -6.2% |
| 2025 | +36.9% | +38.4% |
| 2026 | +37.8% | +12.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NTRS and ROK good diversifiers for each other?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NTRS and ROK?
The NTRS/ROK correlation stands at 0.54 on a 3-year window (1 year: 0.36, 5 years: 0.48), computed from weekly returns as of 2026-08-27.
Is ROK a good diversifier for NTRS?
Somewhat, no more. With 0.54 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.54 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/ntrs-vs-rok.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/ntrs-vs-rok/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: NTRS correlations · ROK correlations
