WLK
Westlake Chemical Corporation
NYSE: WLK · BASIC MATERIALS · SPECIALTY CHEMICALS
$115.28
+3.47% today
Updated 2026-04-30
Market cap
$14.27B
P/E ratio
—
P/S ratio
1.28x
EPS (TTM)
$-11.70
Dividend yield
1.91%
52W range
$56 – $124
Volume
1.2M
Westlake Chemical Corporation (WLK) Financial statements
SEC filings — annual and quarterly data.
Profit margin
-13.50%
Operating margin
-5.45%
ROE
-14.50%
ROA
-0.55%
Debt/equity
0.57x
Margin trends — annual
Gross margin Operating margin Profit margin
| Year | Revenue | Net income | Gross margin | Op. margin | Profit margin |
|---|---|---|---|---|---|
| 2006 | $2.48B | $194.56M | 15.96% | 12.61% | 7.83% |
| 2007 | $3.19B | $114.73M | 8.50% | 5.47% | 3.59% |
| 2008 | $3.69B | $-29.54M | 1.88% | -0.80% | -0.80% |
| 2009 | $2.33B | $52.99M | 8.39% | 4.61% | 2.28% |
| 2010 | $3.17B | $221.39M | 15.22% | 11.93% | 6.98% |
| 2011 | $3.62B | $258.97M | 15.44% | 12.34% | 7.15% |
| 2012 | $3.57B | $385.56M | 20.64% | 17.23% | 10.80% |
| 2013 | $3.76B | $610.42M | 29.30% | 25.36% | 16.24% |
| 2014 | $4.42B | $678.52M | 29.84% | 25.46% | 15.37% |
| 2015 | $4.46B | $646.00M | 26.55% | 21.51% | 14.47% |
| 2016 | $5.08B | $399.00M | 19.37% | 11.49% | 7.86% |
| 2017 | $8.04B | $1.30B | 21.90% | 15.23% | 16.22% |
| 2018 | $8.63B | $996.00M | 23.01% | 16.31% | 11.53% |
| 2019 | $8.12B | $421.00M | 15.52% | 8.08% | 5.19% |
| 2020 | $7.50B | $330.00M | 13.63% | 5.72% | 4.40% |
| 2021 | $11.78B | $2.02B | 29.67% | 23.77% | 17.11% |
| 2022 | $15.79B | $2.25B | 25.79% | 19.31% | 14.23% |
| 2023 | $12.55B | $479.00M | 17.68% | 5.81% | 3.82% |
| 2024 | $12.14B | $602.00M | 16.12% | 7.21% | 4.96% |
| 2025 | $11.17B | $-1.51B | 2.59% | -14.13% | -13.50% |