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.

Revenue
+5.04%
EPS
+102.3%
Free cash flow
+486.0%
Total debt
+8.76%

Quarter to September 2026, against a year earlier

66.38 1.52 −2.24%
Market cap
$8.5B
P/E
0.0×
Fwd P/E
36.7×
Dividend yield
3.20%
F-score
3/9
Altman Z
1.65
Beneish M
−2.44
Dividend safety
8/100

Westlake Corporation (WLK) Net margin

Alert me on Net margin

Westlake Corporation's net margin over the twelve months to 30 September 2026 was −3.87%, up 9.6 percentage points from fiscal 2025 (−13.4%). Over the past ten years it has ranged from −13.4% (fiscal 2025) to 17.0% (fiscal 2021) — the current reading is the lowest in ten years. That is below the Specialty Chemicals industry median of 4.19% and below the Basic Materials sector median of 1.42%.

Net margin, annual

Embed this chart

Annual newest first

Period Net margin Change (points)
FY2025 −13.4% (18.37)
FY2024 4.93% 1.14
FY2023 3.79% (10.36)
FY2022 14.2% (2.87)
FY2021 17.0% 12.64
FY2020 4.38% (0.78)
FY2019 5.16% (6.32)
FY2018 11.5% (4.65)
FY2017 16.1% 8.31
FY2016 7.82% (6.59)

Quarterly newest first

Period Net margin Change (points)
Sep 2026 0.20% (7.75)
Jun 2026 7.95% 14.28
Mar 2026 −6.33% 15.03
Dec 2025 −21.4% 6.05
43 more quarters

Against its own ten years

Low −13.4% High 17.0%
Ten-year median 7.82%
Current reading's percentile 12

Net margin against peers

Company Net margin
SQM Sociedad Quimica y Minera S.A. compare 17.8%
NEU NewMarket Corporation compare 16.5%
SSL Sasol Ltd. compare 8.89%
ALB Albemarle Corporation compare 8.37%
SOLS Solstice Advanced Materials Inc. compare 7.79%
EMN Eastman Chemical Company compare 6.91%
AXTA Axalta Coating Systems Ltd. compare 6.46%
ESI Element Solutions Inc. compare 5.87%
WLK Westlake Corporation −3.87%
Specialty Chemicals industry median 4.19%
Basic Materials sector median 1.42%
Market median 1.06%

What Net margin is

Net Profit Margin tells an investor how much of each unit of revenue ends up as profit for shareholders after all costs, interest and taxes.

Net Income Allotted to Shareholders ÷ Revenue

The full definition of Net margin →

More on WLK