TROX vs WLK: Correlation
Measured on weekly returns over the past three years, Tronox Holdings plc (TROX) and Westlake Corporation (WLK) carry a correlation of 0.65, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are TROX and WLK?
Over the past 3 years, TROX and WLK moved with a correlation of 0.65, which is strong. Little has changed lately, as the 1-year reading of 0.74 lands near the 3-year figure. Over 5 years the correlation is 0.62, and the annualized covariance of weekly returns is 1749.7 %².
Among the 17 assets we track against TROX, WLK ranks #7 by 3-year correlation. The last year tells two different stories: TROX led by 48.9 percentage points, +37.1% for TROX against -11.8% for WLK. Note the risk asymmetry: TROX runs 1.8 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.
TROX vs WLK: side by side
| TROX (Tronox Holdings plc) | WLK (Westlake Corporation) | |
|---|---|---|
| 1-year return | +37.1% | -11.8% |
| 5-year return | -67.8% | -8.0% |
| Volatility (ann.) | 69.1% | 39.0% |
| Beta vs S&P 500 | 1.88 | 0.82 |
| Max drawdown (3Y) | -84.5% | -64.2% |
| Market cap | $0.9B | $9.4B |
| P/E (trailing) | – | – |
| Dividend yield | 3.66% | 2.84% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | TROX | WLK |
|---|---|---|
| 2022 | -41.1% | +6.8% |
| 2023 | +7.4% | +38.4% |
| 2024 | -26.4% | -16.9% |
| 2025 | -55.6% | -33.8% |
| 2026 | +34.4% | +1.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are TROX and WLK good diversifiers for each other?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between TROX and WLK?
The TROX/WLK correlation stands at 0.65 on a 3-year window (1 year: 0.74, 5 years: 0.62), computed from weekly returns as of 2026-08-27.
Is WLK a good diversifier for TROX?
Somewhat, no more. With 0.65 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.65 mean?
A reading of 0.65 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/trox-vs-wlk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/trox-vs-wlk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: TROX correlations · WLK correlations