DOW vs WLK: Correlation
Dow Inc. (DOW) and Westlake Corporation (WLK) show a strong relationship: their 3-year correlation of weekly returns is 0.67.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DOW and WLK?
Across a 3-year window, the weekly returns of DOW and WLK correlate at 0.67, strong. Little has changed lately, as the 1-year reading of 0.67 lands near the 3-year figure. Stretching to 5 years gives 0.72, with an annualized covariance of 915.7 %².
WLK is one of the assets that tracks DOW most closely: it ranks #3 out of the 32 assets we track against DOW. The last year tells two different stories: DOW led by 40.8 percentage points, +29.0% for DOW against -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.
DOW vs WLK: side by side
| DOW (Dow Inc.) | WLK (Westlake Corporation) | |
|---|---|---|
| 1-year return | +29.0% | -11.8% |
| 5-year return | -38.4% | -8.0% |
| Volatility (ann.) | 35.2% | 39.0% |
| Beta vs S&P 500 | 0.62 | 0.82 |
| Max drawdown (3Y) | -62.2% | -64.2% |
| Market cap | $21.9B | $9.4B |
| P/E (trailing) | – | – |
| Dividend yield | 4.62% | 2.84% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | DOW | WLK |
|---|---|---|
| 2022 | -6.6% | +6.8% |
| 2023 | +14.7% | +38.4% |
| 2024 | -22.8% | -16.9% |
| 2025 | -37.4% | -33.8% |
| 2026 | +32.6% | +1.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DOW and WLK good diversifiers for each other?
To a limited degree. At 0.67 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 DOW and WLK?
Using weekly returns as of 2026-08-27: 0.67 over 3 years, with 0.67 over the last year and 0.72 over 5 years.
Is WLK a good diversifier for DOW?
To a limited degree. At 0.67 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 0.67 mean?
On the −1 to +1 scale, 0.67 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/dow-vs-wlk.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/dow-vs-wlk/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: DOW correlations · WLK correlations
