CE vs WLK: Correlation
How closely do Celanese Corporation (CE) and Westlake Corporation (WLK) trade together? Their weekly returns over three years give a correlation of 0.59, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CE and WLK?
Over the past 3 years, CE and WLK moved with a correlation of 0.59, which is moderate. The past 12 months show a tighter link (0.75) than the 3-year average (0.59). Over 5 years the correlation is 0.63, and the annualized covariance of weekly returns is 1144.5 %².
Few assets follow CE as closely as WLK, which ranks #2 of 14 tracked partners. Over the last 12 months CE came out ahead by 7.2 percentage points (-4.6% against -11.8%).
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.
CE vs WLK: side by side
| CE (Celanese Corporation) | WLK (Westlake Corporation) | |
|---|---|---|
| 1-year return | -4.6% | -11.8% |
| 5-year return | -69.7% | -8.0% |
| Volatility (ann.) | 49.7% | 39.0% |
| Beta vs S&P 500 | 0.79 | 0.82 |
| Max drawdown (3Y) | -79.0% | -64.2% |
| Market cap | $4.9B | $9.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.27% | 2.84% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CE | WLK |
|---|---|---|
| 2022 | -37.8% | +6.8% |
| 2023 | +55.7% | +38.4% |
| 2024 | -54.6% | -16.9% |
| 2025 | -38.8% | -33.8% |
| 2026 | +6.3% | +1.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CE and WLK good diversifiers for each other?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between CE and WLK?
The CE/WLK correlation stands at 0.59 on a 3-year window (1 year: 0.75, 5 years: 0.63), computed from weekly returns as of 2026-08-27.
Is WLK a good diversifier for CE?
Somewhat, no more. With 0.59 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.59 mean?
A reading of 0.59 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/ce-vs-wlk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ce-vs-wlk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CE correlations · WLK correlations
