ENTG vs PLAB: Correlation
Measured on weekly returns over the past three years, Entegris, Inc. (ENTG) and Photronics, Inc. (PLAB) carry a correlation of 0.53, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ENTG and PLAB?
On 3 years of weekly data the ENTG/PLAB correlation comes out at 0.53, moderate. Recent behaviour matches the longer record: 0.44 over 1 year against 0.53 over 3. The 5-year figure is 0.53, and annualized covariance runs at 1676.7 %².
Within ENTG's tracked universe of 23 assets, PLAB comes in at #18 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months ENTG outperformed by 47.4 percentage points (+73.6% for ENTG against +26.2% for PLAB).
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 PLAB: side by side
| ENTG (Entegris, Inc.) | PLAB (Photronics, Inc.) | |
|---|---|---|
| 1-year return | +73.6% | +26.2% |
| 5-year return | +22.7% | +106.4% |
| Volatility (ann.) | 53.0% | 60.0% |
| Beta vs S&P 500 | 2.17 | 1.56 |
| Max drawdown (3Y) | -56.9% | -50.6% |
| Market cap | $22.2B | $1.8B |
| P/E (trailing) | 71.6 | 10.8 |
| Dividend yield | 0.28% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | ENTG | PLAB |
|---|---|---|
| 2022 | -52.5% | -10.7% |
| 2023 | +83.5% | +86.4% |
| 2024 | -17.1% | -24.9% |
| 2025 | -14.6% | +35.8% |
| 2026 | +72.9% | -5.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ENTG and PLAB good diversifiers for each other?
Only partially. A correlation of 0.53 means ENTG and PLAB 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 ENTG and PLAB?
Using weekly returns as of 2026-08-27: 0.53 over 3 years, with 0.44 over the last year and 0.53 over 5 years.
Is PLAB a good diversifier for ENTG?
Only partially. A correlation of 0.53 means ENTG and PLAB share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.53 mean?
A reading of 0.53 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-plab.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/entg-vs-plab/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: ENTG correlations · PLAB correlations
