ENTG vs MKSI: Correlation
How closely do Entegris, Inc. (ENTG) and MKS Inc. (MKSI) trade together? Their weekly returns over three years give a correlation of 0.76, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ENTG and MKSI?
On 3 years of weekly data the ENTG/MKSI correlation comes out at 0.76, strong. The relationship has been stable: the 1-year correlation (0.73) sits close to the 3-year figure. The 5-year figure is 0.76, and annualized covariance runs at 2034.1 %².
MKSI is one of the assets that tracks ENTG most closely: it ranks #1 out of the 23 assets we track against ENTG. The last year tells two different stories: MKSI led by 83.9 percentage points, +73.6% for ENTG against +157.5% for MKSI.
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 MKSI: side by side
| ENTG (Entegris, Inc.) | MKSI (MKS Inc.) | |
|---|---|---|
| 1-year return | +73.6% | +157.5% |
| 5-year return | +22.7% | +88.2% |
| Volatility (ann.) | 53.0% | 50.8% |
| Beta vs S&P 500 | 2.17 | 2.39 |
| Max drawdown (3Y) | -56.9% | -59.1% |
| Market cap | $22.2B | $18.3B |
| P/E (trailing) | 71.6 | 43.3 |
| Dividend yield | 0.28% | 0.35% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ENTG | MKSI |
|---|---|---|
| 2022 | -52.5% | -51.0% |
| 2023 | +83.5% | +22.6% |
| 2024 | -17.1% | +2.2% |
| 2025 | -14.6% | +54.4% |
| 2026 | +72.9% | +70.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ENTG and MKSI good diversifiers for each other?
To a limited degree. At 0.76 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 MKSI?
As of 2026-08-27, the correlation of weekly returns between ENTG and MKSI is 0.76 over 3 years, 0.73 over 1 year and 0.76 over 5 years.
Is MKSI a good diversifier for ENTG?
To a limited degree. At 0.76 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 0.76 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/entg-vs-mksi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/entg-vs-mksi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ENTG correlations · MKSI correlations
