ENTG vs ONTO: Correlation
Entegris, Inc. (ENTG) and Onto Innovation Inc. (ONTO) show a strong relationship: their 3-year correlation of weekly returns is 0.72.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ENTG and ONTO?
Over the past 3 years, ENTG and ONTO moved with a correlation of 0.72, which is strong. The past 12 months show a tighter link (0.84) than the 3-year average (0.72). Over 5 years the correlation is 0.71, and the annualized covariance of weekly returns is 2243.7 %².
Within ENTG's tracked universe of 23 assets, ONTO comes in at #6 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ONTO outperformed by 97.4 percentage points (+73.6% for ENTG against +171.0% for ONTO).
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 ONTO: side by side
| ENTG (Entegris, Inc.) | ONTO (Onto Innovation Inc.) | |
|---|---|---|
| 1-year return | +73.6% | +171.0% |
| 5-year return | +22.7% | +288.7% |
| Volatility (ann.) | 53.0% | 58.7% |
| Beta vs S&P 500 | 2.17 | 2.32 |
| Max drawdown (3Y) | -56.9% | -62.8% |
| Market cap | $22.2B | $17.9B |
| P/E (trailing) | 71.6 | 110.0 |
| Dividend yield | 0.28% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ENTG | ONTO |
|---|---|---|
| 2022 | -52.5% | -32.7% |
| 2023 | +83.5% | +124.6% |
| 2024 | -17.1% | +9.0% |
| 2025 | -14.6% | -5.3% |
| 2026 | +72.9% | +85.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ENTG and ONTO good diversifiers for each other?
Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between ENTG and ONTO?
The ENTG/ONTO correlation stands at 0.72 on a 3-year window (1 year: 0.84, 5 years: 0.71), computed from weekly returns as of 2026-08-27.
Is ONTO a good diversifier for ENTG?
Somewhat, no more. With 0.72 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.72 mean?
A reading of 0.72 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-onto.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/entg-vs-onto/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: ENTG correlations · ONTO correlations
