Westlake Corporation
WLK Basic Materials Specialty Chemicals
Westlake Corporation’s revenue for fiscal 2025 (year ended December 2025) was $11.2 billion, down 8.01% from fiscal 2024. In the quarter to June 2026, revenue grew 10.8%, EPS grew 282.0%, free cash flow grew 184.1% and total debt rose 8.87%, each against the same quarter a year earlier. Dividend growth for three consecutive years.
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Westlake Corporation (WLK) P/E ratio
Westlake Corporation has no meaningful P/E ratio: its trailing twelve-month earnings is negative. Over the past ten years it has ranged from 0.0× (October 2026) to 200× (September 2024) — the current reading is the lowest in ten years.
P/E ratio, daily
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Annual newest first
| Period | P/E ratio | Change |
|---|---|---|
| FY2025 | 0.0× | — |
| FY2024 | 24.6× | (34.59%) |
| FY2023 | 37.5× | 561.00% |
| FY2022 | 5.7× | (8.45%) |
| FY2021 | 6.2× | (80.54%) |
| FY2020 | 31.9× | 48.13% |
| FY2019 | 21.5× | 148.78% |
| FY2018 | 8.6× | (20.31%) |
| FY2017 | 10.9× | (42.02%) |
| FY2016 | 18.7× | 68.54% |
Quarterly newest first
| Period | P/E ratio | Change |
|---|---|---|
| Jun 2026 | 0.0× | — |
| Mar 2026 | 0.0× | — |
| Dec 2025 | 0.0× | — |
| Sep 2025 | 0.0× | — |
| 42 more quarters | Free account |
Against its own ten years
P/E ratio against peers
| Company | P/E ratio |
|---|---|
| WLK Westlake Corporation | n/m |
| SSL Sasol Ltd. compare | 3.5× |
| SQM Sociedad Quimica y Minera S.A. compare | 11.3× |
| EMN Eastman Chemical Company compare | 16.1× |
| NEU NewMarket Corporation compare | 18.8× |
| AXTA Axalta Coating Systems Ltd. compare | 20.5× |
| SOLS Solstice Advanced Materials Inc. compare | 27.4× |
| ESI Element Solutions Inc. compare | 47.4× |
| ALB Albemarle Corporation compare | 199× |
| Specialty Chemicals industry median | 25.4× |
| Basic Materials sector median | 19.5× |
| Market median | 18.1× |
What P/E ratio is
Price to Earnings Ratio shows how much investors pay for each dollar of a company’s annual profit per share.
Stock Price ÷ EPS (Basic) (TTM)