WLK
Westlake Chemical Corporation
NYSE: WLK · BASIC MATERIALS · SPECIALTY CHEMICALS
$111.41
+0.96% today
Updated 2026-04-29
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.
Income statement — annual
| Item | 2006 | 2007 | 2008 | 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Revenue | $2.48B | $3.19B | $3.69B | $2.33B | $3.17B | $3.62B | $3.57B | $3.76B | $4.42B | $4.46B | $5.08B | $8.04B | $8.63B | $8.12B | $7.50B | $11.78B | $15.79B | $12.55B | $12.14B | $11.17B |
| Revenue growth (YoY) | — | +28.5% | +15.7% | -37.0% | +36.4% | +14.1% | -1.3% | +5.3% | +17.4% | +1.1% | +13.7% | +58.4% | +7.4% | -6.0% | -7.6% | +57.0% | +34.1% | -20.6% | -3.2% | -8.0% |
| Cost of revenue | $2.09B | $2.92B | $3.62B | $2.13B | $2.69B | $3.06B | $2.83B | $2.66B | $3.10B | $3.28B | $4.09B | $6.28B | $6.65B | $6.86B | $6.48B | $8.28B | $11.72B | $10.33B | $10.19B | $10.88B |
| Gross profit | $396.48M | $271.40M | $69.37M | $195.13M | $482.68M | $559.01M | $736.96M | $1.10B | $1.32B | $1.19B | $983.00M | $1.76B | $1.99B | $1.26B | $1.02B | $3.50B | $4.07B | $2.22B | $1.96B | $289.00M |
| Gross margin | 16.0% | 8.5% | 1.9% | 8.4% | 15.2% | 15.4% | 20.6% | 29.3% | 29.8% | 26.6% | 19.4% | 21.9% | 23.0% | 15.5% | 13.6% | 29.7% | 25.8% | 17.7% | 16.1% | 2.6% |
| R&D | — | — | — | — | — | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | $0.00 | — | — | — | — | — | — | — |
| SG&A | $83.23M | $96.68M | $98.91M | $87.87M | $104.32M | $112.21M | $121.61M | $147.97M | $183.75M | $218.00M | $295.44M | $399.00M | $445.00M | $458.00M | $435.00M | $528.00M | $809.00M | $865.00M | $874.00M | $910.00M |
| Operating income | $313.25M | $174.72M | $-29.54M | $107.26M | $378.36M | $446.80M | $615.35M | $953.46M | $1.12B | $960.00M | $583.00M | $1.23B | $1.41B | $656.00M | $429.00M | $2.80B | $3.05B | $729.00M | $875.00M | $-1.58B |
| Operating margin | 12.6% | 5.5% | -0.8% | 4.6% | 11.9% | 12.3% | 17.2% | 25.4% | 25.5% | 21.5% | 11.5% | 15.2% | 16.3% | 8.1% | 5.7% | 23.8% | 19.3% | 5.8% | 7.2% | -14.1% |
| EBITDA | $400.36M | $280.89M | $87.86M | $236.91M | $511.57M | $583.82M | $772.76M | $1.12B | $1.33B | $1.24B | $1.01B | $1.84B | $2.10B | $1.41B | $1.25B | $3.69B | $4.18B | $1.96B | $2.21B | $-199.00M |
| EBITDA margin | 16.1% | 8.8% | 2.4% | 10.2% | 16.1% | 16.1% | 21.6% | 29.7% | 30.1% | 27.9% | 20.0% | 22.9% | 24.3% | 17.3% | 16.6% | 31.4% | 26.5% | 15.6% | 18.2% | -1.8% |
| EBIT | $313.25M | $177.38M | $-24.07M | $113.71M | $382.83M | $452.42M | $628.22M | $960.25M | $1.12B | $998.00M | $637.00M | $1.24B | $1.46B | $694.00M | $473.00M | $2.85B | $3.12B | $865.00M | $1.10B | $-1.44B |
| Interest expense | $16.52M | $18.42M | $33.96M | $34.96M | $39.88M | $50.99M | $43.05M | $18.08M | $37.35M | $34.66M | $79.47M | $159.00M | $126.00M | $124.00M | $142.00M | $176.00M | $177.00M | $165.00M | $159.00M | $161.00M |
| Income tax | $87.99M | $44.23M | $-28.48M | $25.76M | $121.57M | $142.47M | $199.61M | $331.75M | $398.90M | $298.00M | $138.00M | $-258.00M | $300.00M | $108.00M | $-42.00M | $607.00M | $649.00M | $178.00M | $291.00M | — |
| Effective tax rate | 31.1% | 27.8% | 49.1% | 32.7% | 35.4% | 35.5% | 34.1% | 35.2% | 37.0% | 31.6% | 25.7% | -24.7% | 23.1% | 20.4% | -14.6% | 23.2% | 22.4% | 27.1% | 32.6% | 0.0% |
| Net income | $194.56M | $114.73M | $-29.54M | $52.99M | $221.39M | $258.97M | $385.56M | $610.42M | $678.52M | $646.00M | $399.00M | $1.30B | $996.00M | $421.00M | $330.00M | $2.02B | $2.25B | $479.00M | $602.00M | $-1.51B |
| Net income growth (YoY) | — | -41.0% | -125.8% | +279.4% | +317.8% | +17.0% | +48.9% | +58.3% | +11.2% | -4.8% | -38.2% | +226.8% | -23.6% | -57.7% | -21.6% | +510.6% | +11.5% | -78.7% | +25.7% | -350.5% |
| Profit margin | 7.8% | 3.6% | -0.8% | 2.3% | 7.0% | 7.2% | 10.8% | 16.2% | 15.4% | 14.5% | 7.9% | 16.2% | 11.5% | 5.2% | 4.4% | 17.1% | 14.2% | 3.8% | 5.0% | -13.5% |