AEIS vs COHU: Correlation
Advanced Energy Industries, Inc. (AEIS) and Cohu, Inc. (COHU) show a strong relationship: their 3-year correlation of weekly returns is 0.68.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEIS and COHU?
On 3 years of weekly data the AEIS/COHU correlation comes out at 0.68, strong. Recent behaviour matches the longer record: 0.63 over 1 year against 0.68 over 3. The 5-year figure is 0.70, and annualized covariance runs at 1332.2 %².
Within AEIS's tracked universe of 32 assets, COHU comes in at #4 by 3-year correlation. The last year tells two different stories: COHU led by 67.8 percentage points, +87.0% for AEIS against +154.8% for COHU.
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.
AEIS vs COHU: side by side
| AEIS (Advanced Energy Industries, Inc.) | COHU (Cohu, Inc.) | |
|---|---|---|
| 1-year return | +87.0% | +154.8% |
| 5-year return | +222.9% | +41.3% |
| Volatility (ann.) | 43.9% | 44.8% |
| Beta vs S&P 500 | 1.69 | 1.74 |
| Max drawdown (3Y) | -39.9% | -64.7% |
| Market cap | $11.5B | $2.4B |
| P/E (trailing) | 52.4 | – |
| Dividend yield | 0.14% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | AEIS | COHU |
|---|---|---|
| 2022 | -5.4% | -15.9% |
| 2023 | +27.5% | +10.4% |
| 2024 | +6.6% | -24.6% |
| 2025 | +81.6% | -12.8% |
| 2026 | +37.3% | +122.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEIS and COHU good diversifiers for each other?
Somewhat, no more. With 0.68 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between AEIS and COHU?
The AEIS/COHU correlation stands at 0.68 on a 3-year window (1 year: 0.63, 5 years: 0.70), computed from weekly returns as of 2026-08-27.
Is COHU a good diversifier for AEIS?
Somewhat, no more. With 0.68 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.68 mean?
A reading of 0.68 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/aeis-vs-cohu.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/aeis-vs-cohu/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AEIS correlations · COHU correlations
