ROK vs SOXX: Correlation
Measured on weekly returns over the past three years, Rockwell Automation (ROK) and iShares Semiconductor ETF (SOXX) carry a correlation of 0.53, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ROK and SOXX?
Across a 3-year window, the weekly returns of ROK and SOXX correlate at 0.53, moderate. The relationship has been stable: the 1-year correlation (0.48) sits close to the 3-year figure. Stretching to 5 years gives 0.57, with an annualized covariance of 524.4 %².
Among the 37 assets we track against ROK, SOXX ranks #15 by 3-year correlation. The last year tells two different stories: SOXX led by 84.3 percentage points, +25.7% for ROK against +110.0% for SOXX. The link looks structural: the rolling one-year correlation barely moved, holding between 0.46 and 0.68.
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 SOXX: side by side
| ROK (Rockwell Automation) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +25.7% | +110.0% |
| 5-year return | +44.9% | +247.5% |
| Volatility (ann.) | 27.9% | 35.2% |
| Beta vs S&P 500 | 0.97 | 1.93 |
| Max drawdown (3Y) | -29.0% | -41.4% |
| Market cap | $48.2B | – |
| P/E (trailing) | 40.6 | – |
| Dividend yield | 1.26% | 0.29% |
| Expense ratio | – | 0.33% |
| Assets under management | – | $44.7B |
| Sector / category | Industrials | ETF · Thematic |
On the fund side, SOXX sits in the Technology category at iShares, with $44.7B under management, 30 holdings, a 0.33% expense ratio, a 0.29% trailing dividend yield.
Year-by-year returns
| Year | ROK | SOXX |
|---|---|---|
| 2022 | -24.8% | -35.1% |
| 2023 | +22.6% | +67.1% |
| 2024 | -6.2% | +12.9% |
| 2025 | +38.4% | +40.7% |
| 2026 | +12.4% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ROK and SOXX good diversifiers for each other?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between ROK and SOXX?
The ROK/SOXX correlation stands at 0.53 on a 3-year window (1 year: 0.48, 5 years: 0.57), computed from weekly returns as of 2026-08-27.
Is SOXX a good diversifier for ROK?
To a limited degree. At 0.53 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.53 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/rok-vs-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/rok-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ROK correlations · SOXX correlations
