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

64.10 2.18 −3.29%
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) Debt to equity

Alert me on Debt to equity

Westlake Corporation's debt to equity at the end of the quarter to 30 September 2026 was 0.6×, down 0.0× from fiscal 2025 (0.6×). Over the past ten years it has ranged from 0.2× (fiscal 2015) to 1.0× (fiscal 2016); the current reading is higher than 73% of that period. That is below the Specialty Chemicals industry median of 0.6× and above the Basic Materials sector median of 0.2×.

Debt to equity, annual

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Annual newest first

Period Debt to equity Change
FY2025 0.6× 45.44%
FY2024 0.4× (9.37%)
FY2023 0.5× (4.56%)
FY2022 0.5× (21.37%)
FY2021 0.6× 9.11%
FY2020 0.6× 0.02%
FY2019 0.6× 26.76%
FY2018 0.4× (38.56%)
FY2017 0.7× (27.34%)
FY2016 1.0× 362.22%

Quarterly newest first

Period Debt to equity Change
Sep 2026 0.6× 0.40%
Jun 2026 0.6× (10.58%)
Mar 2026 0.6× 2.43%
Dec 2025 0.6× 28.24%
43 more quarters

Against its own ten years

Low 0.2× High 1.0×
Ten-year median 0.6×
Current reading's percentile 73

Debt to equity against peers

Company Debt to equity
ALB Albemarle Corporation compare 0.2×
NEU NewMarket Corporation compare 0.4×
WLK Westlake Corporation 0.6×
SQM Sociedad Quimica y Minera S.A. compare 0.6×
SSL Sasol Ltd. compare 0.7×
EMN Eastman Chemical Company compare 0.7×
ESI Element Solutions Inc. compare 0.7×
AXTA Axalta Coating Systems Ltd. compare 1.1×
SOLS Solstice Advanced Materials Inc. compare 1.3×
Specialty Chemicals industry median 0.6×
Basic Materials sector median 0.2×
Market median 0.1×

What Debt to equity is

Debt to Equity Ratio shows how much a company relies on borrowed money compared with the money its shareholders have in the business.

(Long Term Debt (Total) + Current Part of Debt) ÷ Shareholders Equity (Total)

The full definition of Debt to equity →

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