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

63.38 2.90 −4.38%
Market cap
$8.5B
P/E
0.0×
Fwd P/E
36.7×
Dividend yield
3.35%
F-score
3/9
Altman Z
1.65
Beneish M
−2.44
Dividend safety
8/100
Dec '16 Dec '17 Dec '18 Dec '19 Dec '20 Dec '21 Dec '22 Dec '23 Dec '24 Dec '25
P/E ratio
18.72 10.85 8.65 21.52 31.88 6.20 5.68 37.53 24.55 0.00
Piotroski F-Score
4 8 7 4 6 6 7 5 6 3
P/S ratio
1.46 1.75 0.99 1.11 1.39 1.06 0.80 1.43 1.21 0.85
Altman Z-Score
1.84 2.91 2.91 2.31 2.29 2.67 2.93 2.65 2.57 1.65
Altman Z″-Score (non-manufacturers)
2.70 3.58 4.45 3.47 3.56 4.34 4.83 4.10 4.39 2.94
P/FCF ratio
31.14 14.81 12.11 17.52 13.51 7.16 5.54 13.82 48.16 0.00
Beneish M-Score
(1.36) (2.43) (2.55) (2.38) (2.60) (2.26) (2.61) (2.82) (2.58) (2.44)
P/Operating CF
22.96 24.88 33.71 27.05 24.21 16.42 15.18 31.39 33.96 42.15
Dividend Safety Score
— — — — — — — — — 8
P/B ratio
1.90 2.62 1.41 1.41 1.59 1.46 1.21 1.67 1.33 1.02
EV/Sales
2.09 2.04 1.27 1.46 1.70 1.33 0.98 1.56 1.35 1.09
EV/EBITDA
11.05 8.97 5.34 8.65 10.63 4.31 3.76 8.51 8.24 37.12
EV/FCF
44.62 17.23 15.47 23.04 16.56 9.05 6.75 15.05 53.53 (22.90)
Current Ratio
2.04 1.76 2.40 2.21 2.56 2.25 2.60 2.37 2.80 2.24
Net Debt/EBITDA
3.34 1.26 0.93 2.07 1.95 0.90 0.67 0.70 0.83 8.12
Debt/Equity
0.98 0.71 0.44 0.56 0.56 0.61 0.48 0.46 0.41 0.60
ROE
10.65% 28.01% 17.32% 6.72% 5.07% 26.55% 23.53% 4.48% 5.49% (14.76%)
ROA
4.82% 11.29% 8.37% 3.37% 2.43% 12.42% 11.46% 2.29% 2.87% (7.37%)
ROIC
5.13% 9.98% 11.01% 4.44% 3.00% 14.83% 14.40% 3.68% 4.31% (8.25%)
Return on Tangible Assets
5.19% 16.40% 12.01% 4.98% 3.64% 19.05% 18.39% 3.86% 4.74% (12.46%)
Average Days of Receivables
67.52 45.44 43.83 46.58 59.05 57.89 41.62 46.57 44.58 49.15
Earnings Yield
5.34% 9.21% 11.56% 4.65% 3.14% 16.12% 17.61% 2.66% 4.07% (15.82%)
Free Cash Flow Yield
3.21% 6.75% 8.26% 5.71% 7.40% 13.96% 18.05% 7.24% 2.08% (5.59%)
Free Cash Flow per Share
1.84 7.37 5.46 4.00 6.04 13.56 17.87 10.19 2.38 (4.13)
Book value per Share
30.08 41.59 46.95 49.87 51.45 66.62 81.78 84.22 85.91 72.47
Free Cash Flow
238.00 951.00 707.00 514.00 772.00 1,736.00 2,287.00 1,302.00 306.00 (530.00)
EV/EBIT
18.22 13.38 7.77 18.05 29.79 5.61 5.06 26.87 18.72 0.00
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Columns are period end dates · fundamentals updated 5 Nov 2026