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) Free cash flow margin

Alert me on Free cash flow margin

Westlake Corporation's free cash flow margin over the twelve months to 30 September 2026 was 0.10%, up 4.8 percentage points from fiscal 2025 (−4.74%). Over the past ten years it has ranged from −4.74% (fiscal 2025) to 14.7% (fiscal 2021) — the current reading is the lowest in ten years. That is below the Specialty Chemicals industry median of 3.49% and above the Basic Materials sector median of 0.00%.

Free cash flow margin, annual

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Annual newest first

Period Free cash flow margin Change (points)
FY2025 −4.74% (7.26)
FY2024 2.52% (7.86)
FY2023 10.4% (4.10)
FY2022 14.5% (0.26)
FY2021 14.7% 4.45
FY2020 10.3% 3.96
FY2019 6.33% (1.86)
FY2018 8.19% (3.64)
FY2017 11.8% 7.14
FY2016 4.69% (8.48)

Against its own ten years

Low −4.74% High 14.7%
Ten-year median 10.3%
Current reading's percentile 9

Free cash flow margin against peers

Company Free cash flow margin
SOLS Solstice Advanced Materials Inc. compare 20.1%
NEU NewMarket Corporation compare 13.9%
AXTA Axalta Coating Systems Ltd. compare 9.61%
ESI Element Solutions Inc. compare 5.26%
EMN Eastman Chemical Company compare 5.18%
WLK Westlake Corporation 0.10%
ALB Albemarle Corporation compare 0.00%
SSL Sasol Ltd. compare 0.00%
SQM Sociedad Quimica y Minera S.A. compare 0.00%
Specialty Chemicals industry median 3.49%
Basic Materials sector median 0.00%
Market median 0.00%

What Free cash flow margin is

Free Cash Flow Margin tells an investor how much of each sale turns into cash the company keeps after paying for investment in its assets.

(Operating Cash Flow + Property, Plant, Equipment Change (Net) + Intangible Assets Change (Net)) ÷ Revenue

The full definition of Free cash flow margin →

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