COHU vs TER: Correlation
Cohu, Inc. (COHU) and Teradyne (TER) show a strong relationship: their 3-year correlation of weekly returns is 0.61.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are COHU and TER?
Over the past 3 years, COHU and TER moved with a correlation of 0.61, which is strong. Recent behaviour matches the longer record: 0.60 over 1 year against 0.61 over 3. Over 5 years the correlation is 0.66, and the annualized covariance of weekly returns is 1442.5 %².
Within COHU's tracked universe of 24 assets, TER comes in at #11 by 3-year correlation. The last year tells two different stories: TER led by 64.0 percentage points, +154.8% for COHU against +218.8% for TER.
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 TER: side by side
| COHU (Cohu, Inc.) | TER (Teradyne) | |
|---|---|---|
| 1-year return | +154.8% | +218.8% |
| 5-year return | +41.3% | +207.9% |
| Volatility (ann.) | 44.8% | 52.5% |
| Beta vs S&P 500 | 1.74 | 1.70 |
| Max drawdown (3Y) | -64.7% | -58.2% |
| Market cap | $2.4B | $58.2B |
| P/E (trailing) | – | 50.0 |
| Dividend yield | 0.00% | 0.14% |
| Sector / category | US Listed | Information Technology |
Year-by-year returns
| Year | COHU | TER |
|---|---|---|
| 2022 | -15.9% | -46.3% |
| 2023 | +10.4% | +24.8% |
| 2024 | -24.6% | +16.5% |
| 2025 | -12.8% | +54.4% |
| 2026 | +122.1% | +92.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are COHU and TER good diversifiers for each other?
Only partially. A correlation of 0.61 means COHU and TER 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 TER?
As of 2026-08-27, the correlation of weekly returns between COHU and TER is 0.61 over 3 years, 0.60 over 1 year and 0.66 over 5 years.
Is TER a good diversifier for COHU?
Only partially. A correlation of 0.61 means COHU and TER share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.61 mean?
A reading of 0.61 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/cohu-vs-ter.json
Embed this badge (it refreshes with the data), with attribution:
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Hubs: COHU correlations · TER correlations