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) revenue by segment, product and region

Where the money comes from and where it goes

Fiscal 2024: revenue by segment, and margins
Performance and Essential Materials Segment 7,825 64.45%
Housing and Infrastructure Products Segment 4,317 35.55%
Gross margin 16.12%
Operating margin 7.21%
Pre-tax margin 7.73%

Revenue by segment $m

Line FY2025 FY2024 FY2023 FY2022 FY2021 FY2020 FY2019 FY2018 FY2017 FY2016 FY2015 FY2014 FY2013 FY2012 FY2011 FY2010 FY2009
Performance and Essential Materials Segment 7,022 7,825 8,336 11,008 8,670 5,465 6,184 2,019 2,051 1,894 2,260 147 321 318 445 2,261 1,611
Housing and Infrastructure Products Segment 4,148 4,317 4,212 4,786 3,108 2,039 1,934 6,616 5,990 3,182 2,203 1 2 2 1 911 714
Revenue 11,170 12,142 12,548 15,794 11,778 7,504 8,118 8,635 8,041 5,076 4,463 148 322 320 446 3,172 2,326

Operating income by segment $m, and margin

Revenue by region $m

Line FY2025 FY2024 FY2023 FY2022 FY2021 FY2020 FY2019 FY2018 FY2017 FY2016 FY2015
United States 7,954 8,751 8,955 10,899 8,157 5,100 5,530 6,114 5,739 3,526 3,133
Other 1,078 1,197 1,258 1,754 1,226 995 1,159 1,010 921 635 481
Canada 777 792 808 1,051 980 601 573 649 653 317 196
Germany 583 594 602 875 628 458 478 500 432 402 394
Mexico 194 206 217 228 149 — — — — — —
China 162 195 220 262 216 173 175 155 104 87 46
Brazil 153 142 215 353 141 — — — — — 16
Italy 144 145 135 200 181 103 119 105 96 84 90
France 125 120 138 172 100 — — — — — —
Taiwan — — — — — 74 84 102 96 25 0
Switzerland — — — — — — — — — — 107
Revenue 11,170 12,142 12,548 15,794 11,778 7,504 8,118 8,635 8,041 5,076 4,463

Operating figures as reported in each quarter’s results release or filing

Figure Quarter Latest A year before Change
Company average sales price change quarter over quarter Q3 FY2026 −4.00% −2.00% —
Company average sales price change year over year Q3 FY2026 6.00% −5.00% —
Company volume change quarter over quarter Q3 FY2026 −5.00% −1.00% —
Company volume change quarter over quarter excluding plant closures and acquisition Q3 FY2026 −7.00% — —
Company volume change year over year Q3 FY2026 −1.00% −4.00% —
Housing and Infrastructure Products average sales price change quarter over quarter Q3 FY2026 4.00% — —
Housing and Infrastructure Products average sales price change year over year Q3 FY2026 1.00% −1.00% —
Housing and Infrastructure Products volume change quarter over quarter Q3 FY2026 −17.0% −6.00% —
Housing and Infrastructure Products volume change quarter over quarter excluding plant closures and acquisition Q3 FY2026 −17.0% — —
Housing and Infrastructure Products volume change year over year Q3 FY2026 −2.00% — —
Housing and Infrastructure Products volume change year over year excluding plant closures and acquisition Q3 FY2026 −6.00% — —
Performance and Essential Materials average sales price change quarter over quarter Q3 FY2026 −8.00% −4.00% —
Performance and Essential Materials average sales price change year over year Q3 FY2026 9.00% −7.00% —
Performance and Essential Materials volume change quarter over quarter Q3 FY2026 2.00% 1.00% —
Performance and Essential Materials volume change year over year Q3 FY2026 −1.00% −6.00% —

As each company reports them in its 10-K and 10-Q filings, in US dollars. Where a later filing recast a year's segments, the year is shown as recast; a period whose breakdown does not add up to the company's revenue is left out.