ACMR vs ENTG: Correlation
How closely do ACM Research, Inc. (ACMR) and Entegris, Inc. (ENTG) trade together? Their weekly returns over three years give a correlation of 0.53, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ACMR and ENTG?
Over the past 3 years, ACMR and ENTG moved with a correlation of 0.53, which is moderate. The relationship has been stable: the 1-year correlation (0.63) sits close to the 3-year figure. Over 5 years the correlation is 0.49, and the annualized covariance of weekly returns is 2262.8 %².
By 3-year correlation, ENTG places #5 of the 13 assets tracked against ACMR. Correlation aside, the last 12 months split them widely, with ACMR ahead by 108.0 points (+181.6% versus +73.6%). Note the risk asymmetry: ACMR runs 1.5 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.
ACMR vs ENTG: side by side
| ACMR (ACM Research, Inc.) | ENTG (Entegris, Inc.) | |
|---|---|---|
| 1-year return | +181.6% | +73.6% |
| 5-year return | +173.8% | +22.7% |
| Volatility (ann.) | 80.8% | 53.0% |
| Beta vs S&P 500 | 2.07 | 2.17 |
| Max drawdown (3Y) | -58.4% | -56.9% |
| Market cap | $5.6B | $22.2B |
| P/E (trailing) | 37.3 | 71.6 |
| Dividend yield | 0.00% | 0.28% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ACMR | ENTG |
|---|---|---|
| 2022 | -72.9% | -52.5% |
| 2023 | +153.4% | +83.5% |
| 2024 | -22.7% | -17.1% |
| 2025 | +161.3% | -14.6% |
| 2026 | +104.0% | +72.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ACMR and ENTG good diversifiers for each other?
To a limited degree. At 0.53 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 ACMR and ENTG?
Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.63 over the last year and 0.49 over 5 years.
Is ENTG a good diversifier for ACMR?
To a limited degree. At 0.53 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 0.53 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
$ curl https://www.pairbook.io/api/v1/pairs/acmr-vs-entg.json
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Related comparisons
Hubs: ACMR correlations · ENTG correlations
