HUN vs WLK: Correlation
Huntsman Corporation (HUN) and Westlake Corporation (WLK) show a strong relationship: their 3-year correlation of weekly returns is 0.66.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HUN and WLK?
Over the past 3 years, HUN and WLK moved with a correlation of 0.66, which is strong. Recent behaviour matches the longer record: 0.69 over 1 year against 0.66 over 3. Over 5 years the correlation is 0.66, and the annualized covariance of weekly returns is 1219.9 %².
Few assets follow HUN as closely as WLK, which ranks #3 of 14 tracked partners. Twelve-month performance is nearly a tie, at -8.2% for HUN and -11.8% for WLK.
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.
HUN vs WLK: side by side
| HUN (Huntsman Corporation) | WLK (Westlake Corporation) | |
|---|---|---|
| 1-year return | -8.2% | -11.8% |
| 5-year return | -55.1% | -8.0% |
| Volatility (ann.) | 47.1% | 39.0% |
| Beta vs S&P 500 | 0.93 | 0.82 |
| Max drawdown (3Y) | -70.1% | -64.2% |
| Market cap | $1.7B | $9.4B |
| P/E (trailing) | – | – |
| Dividend yield | 5.33% | 2.84% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | HUN | WLK |
|---|---|---|
| 2022 | -19.0% | +6.8% |
| 2023 | -5.1% | +38.4% |
| 2024 | -25.0% | -16.9% |
| 2025 | -40.6% | -33.8% |
| 2026 | -2.3% | +1.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HUN and WLK good diversifiers for each other?
To a limited degree. At 0.66 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between HUN and WLK?
Using weekly returns as of 2026-08-27: 0.66 over 3 years, with 0.69 over the last year and 0.66 over 5 years.
Is WLK a good diversifier for HUN?
To a limited degree. At 0.66 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.66 mean?
A reading of 0.66 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/hun-vs-wlk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/hun-vs-wlk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: HUN correlations · WLK correlations
