COHU vs SOXX: Correlation
Measured on weekly returns over the past three years, Cohu, Inc. (COHU) and iShares Semiconductor ETF (SOXX) carry a correlation of 0.78, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COHU and SOXX?
On 3 years of weekly data the COHU/SOXX correlation comes out at 0.78, strong. The relationship has been stable: the 1-year correlation (0.80) sits close to the 3-year figure. The 5-year figure is 0.79, and annualized covariance runs at 1221.1 %².
SOXX is one of the assets that tracks COHU most closely: it ranks #1 out of the 24 assets we track against COHU. Their recent paths diverged sharply: over the last 12 months COHU outperformed by 44.8 percentage points (+154.8% for COHU against +110.0% for SOXX).
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 SOXX: side by side
| COHU (Cohu, Inc.) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +154.8% | +110.0% |
| 5-year return | +41.3% | +247.5% |
| Volatility (ann.) | 44.8% | 35.2% |
| Beta vs S&P 500 | 1.74 | 1.93 |
| Max drawdown (3Y) | -64.7% | -41.4% |
| Market cap | $2.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.29% |
| Expense ratio | – | 0.33% |
| Assets under management | – | $44.7B |
| Sector / category | US Listed | 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 | COHU | SOXX |
|---|---|---|
| 2022 | -15.9% | -35.1% |
| 2023 | +10.4% | +67.1% |
| 2024 | -24.6% | +12.9% |
| 2025 | -12.8% | +40.7% |
| 2026 | +122.1% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COHU and SOXX good diversifiers for each other?
To a limited degree. At 0.78 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 COHU and SOXX?
The COHU/SOXX correlation stands at 0.78 on a 3-year window (1 year: 0.80, 5 years: 0.79), computed from weekly returns as of 2026-08-27.
Is SOXX a good diversifier for COHU?
To a limited degree. At 0.78 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 0.78 mean?
On the −1 to +1 scale, 0.78 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-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cohu-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: COHU correlations · SOXX correlations
