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) P/S ratio

Alert me on P/S ratio

As of 5 November 2026, Westlake Corporation (WLK) trades at a P/S ratio of 0.7×. Over the past ten years it has ranged from 0.5× (March 2020) to 2.3× (April 2015); the current reading is higher than 4% of that period. That is below the Specialty Chemicals industry median of 1.6× and below the Basic Materials sector median of 1.6×.

P/S ratio, daily

Embed this chart

Annual newest first

Period P/S ratio Change
FY2025 0.8× (30.05%)
FY2024 1.2× (15.34%)
FY2023 1.4× 78.66%
FY2022 0.8× (23.99%)
FY2021 1.1× (24.07%)
FY2020 1.4× 25.31%
FY2019 1.1× 11.89%
FY2018 1.0× (43.38%)
FY2017 1.8× 19.94%
FY2016 1.5× (9.00%)

Quarterly newest first

Period P/S ratio Change
Sep 2026 0.7× (15.85%)
Jun 2026 0.8× (39.25%)
Mar 2026 1.4× 60.46%
Dec 2025 0.8× (1.38%)
43 more quarters

Against its own ten years

Low 0.5× High 2.3×
Ten-year median 1.2×
Current reading's percentile 4

P/S ratio against peers

What P/S ratio is

Price to Sales Ratio shows how much investors pay for each dollar of a company’s annual sales, whether or not it is profitable.

(Stock Price × Shares (Basic, Weighted) (latest quarter)) ÷ Revenue (TTM)

The full definition of P/S ratio →

More on WLK