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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

Correlation (3Y)
0.65
strong
Correlation (1Y)
0.74
last 12 months
Correlation (5Y)
0.62
long-run
Ann. covariance
1749.7
%² · weekly, annualized

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 5001.880.82
Max drawdown (3Y)-84.5%-64.2%
Market cap$0.9B$9.4B
P/E (trailing)
Dividend yield3.66%2.84%
Sector / categoryUS ListedUS Listed
Higher yield: TROX 3.66% vs 2.84%Smaller drawdown: WLK -64.2% vs -84.5%Higher 5y return: WLK -8.0% vs -67.8%
-34%0%+136%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. TROX · WLK

Year-by-year returns

YearTROXWLK
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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/trox-vs-wlk.json

TROX vs WLK: 3-year weekly correlation 0.65TROX vs WLK0.65

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Related comparisons

Hubs: TROX correlations · WLK correlations