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COHU vs VICR: Correlation

Measured on weekly returns over the past three years, Cohu, Inc. (COHU) and Vicor Corporation (VICR) carry a correlation of 0.54, a moderate link.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.54
moderate
Correlation (1Y)
0.56
last 12 months
Correlation (5Y)
0.50
long-run
Ann. covariance
1733.9
%² · weekly, annualized

How correlated are COHU and VICR?

Over the past 3 years, COHU and VICR moved with a correlation of 0.54, which is moderate. Little has changed lately, as the 1-year reading of 0.56 lands near the 3-year figure. Over 5 years the correlation is 0.50, and the annualized covariance of weekly returns is 1733.9 %².

Within COHU's tracked universe of 24 assets, VICR comes in at #17 by 3-year correlation. The last year tells two different stories: VICR led by 142.0 percentage points, +154.8% for COHU against +296.8% for VICR. Note the risk asymmetry: VICR runs 1.6 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.

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 VICR: side by side

COHU (Cohu, Inc.)VICR (Vicor Corporation)
1-year return+154.8%+296.8%
5-year return+41.3%+65.8%
Volatility (ann.)44.8%71.1%
Beta vs S&P 5001.742.00
Max drawdown (3Y)-64.7%-53.9%
Market cap$2.4B$9.4B
P/E (trailing)65.3
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: VICR -53.9% vs -64.7%Higher 5y return: VICR +65.8% vs +41.3%
-6%0%+546%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. COHU · VICR

Year-by-year returns

YearCOHUVICR
2022-15.9%-57.7%
2023+10.4%-16.4%
2024-24.6%+7.5%
2025-12.8%+126.8%
2026+122.1%+85.8%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are COHU and VICR good diversifiers for each other?

Only partially. A correlation of 0.54 means COHU and VICR 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 VICR?

The COHU/VICR correlation stands at 0.54 on a 3-year window (1 year: 0.56, 5 years: 0.50), computed from weekly returns as of 2026-08-27.

Is VICR a good diversifier for COHU?

Only partially. A correlation of 0.54 means COHU and VICR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.

What does a correlation of 0.54 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/cohu-vs-vicr.json

COHU vs VICR: 3-year weekly correlation 0.54COHU vs VICR0.54

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Related comparisons

Hubs: COHU correlations · VICR correlations