ENTG vs UCTT: Correlation
Entegris, Inc. (ENTG) and Ultra Clean Holdings, Inc. (UCTT) show a strong relationship: their 3-year correlation of weekly returns is 0.73.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ENTG and UCTT?
Across a 3-year window, the weekly returns of ENTG and UCTT correlate at 0.73, strong. Little has changed lately, as the 1-year reading of 0.76 lands near the 3-year figure. Stretching to 5 years gives 0.70, with an annualized covariance of 2427.4 %².
Among the 23 assets we track against ENTG, UCTT ranks #5 by 3-year correlation. The last year tells two different stories: UCTT led by 138.0 percentage points, +73.6% for ENTG against +211.6% for UCTT.
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.
ENTG vs UCTT: side by side
| ENTG (Entegris, Inc.) | UCTT (Ultra Clean Holdings, Inc.) | |
|---|---|---|
| 1-year return | +73.6% | +211.6% |
| 5-year return | +22.7% | +57.9% |
| Volatility (ann.) | 53.0% | 62.8% |
| Beta vs S&P 500 | 2.17 | 2.28 |
| Max drawdown (3Y) | -56.9% | -68.2% |
| Market cap | $22.2B | $3.4B |
| P/E (trailing) | 71.6 | – |
| Dividend yield | 0.28% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ENTG | UCTT |
|---|---|---|
| 2022 | -52.5% | -42.2% |
| 2023 | +83.5% | +3.0% |
| 2024 | -17.1% | +5.3% |
| 2025 | -14.6% | -29.5% |
| 2026 | +72.9% | +195.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ENTG and UCTT good diversifiers for each other?
To a limited degree. At 0.73 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 ENTG and UCTT?
As of 2026-08-27, the correlation of weekly returns between ENTG and UCTT is 0.73 over 3 years, 0.76 over 1 year and 0.70 over 5 years.
Is UCTT a good diversifier for ENTG?
To a limited degree. At 0.73 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 0.73 mean?
A reading of 0.73 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/entg-vs-uctt.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/entg-vs-uctt/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: ENTG correlations · UCTT correlations
