COHU vs ROG: Correlation
Cohu, Inc. (COHU) and Rogers Corporation (ROG) show a strong relationship: their 3-year correlation of weekly returns is 0.65.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COHU and ROG?
Across a 3-year window, the weekly returns of COHU and ROG correlate at 0.65, strong. Little has changed lately, as the 1-year reading of 0.70 lands near the 3-year figure. Stretching to 5 years gives 0.44, with an annualized covariance of 993.8 %².
Within COHU's tracked universe of 24 assets, ROG comes in at #8 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months COHU outperformed by 92.0 percentage points (+154.8% for COHU against +62.8% for ROG).
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.
COHU vs ROG: side by side
| COHU (Cohu, Inc.) | ROG (Rogers Corporation) | |
|---|---|---|
| 1-year return | +154.8% | +62.8% |
| 5-year return | +41.3% | -39.5% |
| Volatility (ann.) | 44.8% | 34.4% |
| Beta vs S&P 500 | 1.74 | 1.02 |
| Max drawdown (3Y) | -64.7% | -64.0% |
| Market cap | $2.4B | $2.3B |
| P/E (trailing) | – | 74.8 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | COHU | ROG |
|---|---|---|
| 2022 | -15.9% | -56.3% |
| 2023 | +10.4% | +10.7% |
| 2024 | -24.6% | -23.1% |
| 2025 | -12.8% | -9.9% |
| 2026 | +122.1% | +41.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COHU and ROG good diversifiers for each other?
Only partially. A correlation of 0.65 means COHU and ROG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between COHU and ROG?
Using weekly returns as of 2026-08-27: 0.65 over 3 years, with 0.70 over the last year and 0.44 over 5 years.
Is ROG a good diversifier for COHU?
Only partially. A correlation of 0.65 means COHU and ROG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.65 mean?
On the −1 to +1 scale, 0.65 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/cohu-vs-rog.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/cohu-vs-rog/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: COHU correlations · ROG correlations
