stockrowWestlake 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.
- Revenue
- +5.04%
- EPS
- +102.3%
- Free cash flow
- +486.0%
- Total debt
- +8.76%
Quarter to September 2026, against a year earlier
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Westlake Corporation (WLK) Operating margin
Westlake Corporation's operating margin over the twelve months to 30 September 2026 was −3.81%, up 10.3 percentage points from fiscal 2025 (−14.1%). Over the past ten years it has ranged from −14.1% (fiscal 2025) to 23.8% (fiscal 2021) — the current reading is the lowest in ten years. That is below the Specialty Chemicals industry median of 5.64% and below the Basic Materials sector median of 2.88%.
Operating margin, annual
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Annual newest first
| Period | Operating margin | Change (points) |
|---|---|---|
| FY2025 | −14.1% | (21.34) |
| FY2024 | 7.21% | 1.40 |
| FY2023 | 5.81% | (13.50) |
| FY2022 | 19.3% | (4.46) |
| FY2021 | 23.8% | 18.05 |
| FY2020 | 5.72% | (2.36) |
| FY2019 | 8.08% | (8.23) |
| FY2018 | 16.3% | 1.08 |
| FY2017 | 15.2% | 3.74 |
| FY2016 | 11.5% | (10.02) |
Quarterly newest first
| Period | Operating margin | Change (points) |
|---|---|---|
| Sep 2026 | 1.44% | (9.69) |
| Jun 2026 | 11.1% | 17.62 |
| Mar 2026 | −6.49% | 20.00 |
| Dec 2025 | −26.5% | 0.50 |
| 43 more quarters | Free account |
Against its own ten years
Operating margin against peers
| Company | Operating margin |
|---|---|
| SQM Sociedad Quimica y Minera S.A. compare | 33.3% |
| NEU NewMarket Corporation compare | 20.2% |
| SOLS Solstice Advanced Materials Inc. compare | 14.7% |
| AXTA Axalta Coating Systems Ltd. compare | 12.4% |
| ESI Element Solutions Inc. compare | 11.7% |
| ALB Albemarle Corporation compare | 10.0% |
| EMN Eastman Chemical Company compare | 9.59% |
| SSL Sasol Ltd. compare | 0.00% |
| WLK Westlake Corporation | −3.81% |
| Specialty Chemicals industry median | 5.64% |
| Basic Materials sector median | 2.88% |
| Market median | 0.00% |
What Operating margin is
EBIT Margin tells an investor how much operating profit, before interest and taxes, a company keeps from each unit of revenue.
EBIT ÷ Revenue
More on WLK
- Revenue
- Net income
- EPS (diluted)
- EBITDA
- Free cash flow
- Operating cash flow
- Gross margin
- Net margin
- Free cash flow margin
- P/E ratio
- P/S ratio
- P/B ratio
- Price to free cash flow
- EV/EBITDA
- EV/Sales
- EV/FCF
- Return on equity
- Return on assets
- Return on invested capital
- Debt to equity
- Current ratio
- Total debt
- Shares outstanding
- Book value per share
- Revenue growth
- Piotroski F-score
- Altman Z-score
- Beneish M-score
- The full statement