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Friday 6 November 2026
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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%
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| Dec '25 | Dec '24 | Dec '23 | Dec '22 | Dec '21 | Dec '20 | Dec '19 | Dec '18 | Dec '17 | Dec '16 | |
|---|---|---|---|---|---|---|---|---|---|---|
P/E ratio |
0.00 | 24.55 | 37.53 | 5.68 | 6.20 | 31.88 | 21.52 | 8.65 | 10.85 | 18.72 |
Piotroski F-Score |
3 | 6 | 5 | 7 | 6 | 6 | 4 | 7 | 8 | 4 |
P/S ratio |
0.85 | 1.21 | 1.43 | 0.80 | 1.06 | 1.39 | 1.11 | 0.99 | 1.75 | 1.46 |
Altman Z-Score |
1.65 | 2.57 | 2.65 | 2.93 | 2.67 | 2.29 | 2.31 | 2.91 | 2.91 | 1.84 |
Altman Z″-Score (non-manufacturers) |
2.94 | 4.39 | 4.10 | 4.83 | 4.34 | 3.56 | 3.47 | 4.45 | 3.58 | 2.70 |
P/FCF ratio |
0.00 | 48.16 | 13.82 | 5.54 | 7.16 | 13.51 | 17.52 | 12.11 | 14.81 | 31.14 |
Beneish M-Score |
(2.44) | (2.58) | (2.82) | (2.61) | (2.26) | (2.60) | (2.38) | (2.55) | (2.43) | (1.36) |
P/Operating CF |
42.15 | 33.96 | 31.39 | 15.18 | 16.42 | 24.21 | 27.05 | 33.71 | 24.88 | 22.96 |
Dividend Safety Score |
8 | — | — | — | — | — | — | — | — | — |
P/B ratio |
1.02 | 1.33 | 1.67 | 1.21 | 1.46 | 1.59 | 1.41 | 1.41 | 2.62 | 1.90 |
Price to Tangible BV |
1.39 | 1.91 | 2.46 | 1.88 | 2.53 | 2.14 | 1.95 | 1.94 | 3.93 | 3.43 |
EV/Sales |
1.09 | 1.35 | 1.56 | 0.98 | 1.33 | 1.70 | 1.46 | 1.27 | 2.04 | 2.09 |
EV/EBITDA |
37.12 | 8.24 | 8.51 | 3.76 | 4.31 | 10.63 | 8.65 | 5.34 | 8.97 | 11.05 |
EV/Operating CF |
26.11 | 12.47 | 8.39 | 4.55 | 6.56 | 9.85 | 9.10 | 7.76 | 10.73 | 12.25 |
EV/FCF |
(22.90) | 53.53 | 15.05 | 6.75 | 9.05 | 16.56 | 23.04 | 15.47 | 17.23 | 44.62 |
Quick Ratio |
1.60 | 1.98 | 1.76 | 1.75 | 1.61 | 1.86 | 1.42 | 1.51 | 1.29 | 1.32 |
Current Ratio |
2.24 | 2.80 | 2.37 | 2.60 | 2.25 | 2.56 | 2.21 | 2.40 | 1.76 | 2.04 |
Net Debt/EBITDA |
8.12 | 0.83 | 0.70 | 0.67 | 0.90 | 1.95 | 2.07 | 0.93 | 1.26 | 3.34 |
Debt/Assets |
27.97% | 21.99% | 23.32% | 24.32% | 28.06% | 26.47% | 26.88% | 23.00% | 31.77% | 35.15% |
Debt/Equity |
0.60 | 0.41 | 0.46 | 0.48 | 0.61 | 0.56 | 0.56 | 0.44 | 0.71 | 0.98 |
Asset Turnover |
0.55 | 0.58 | 0.60 | 0.81 | 0.73 | 0.55 | 0.65 | 0.73 | 0.70 | 0.62 |
Operating CF/Net income |
(0.31) | 2.19 | 4.91 | 1.52 | 1.19 | 3.94 | 3.11 | 1.42 | 1.18 | 2.18 |
Capex/Depreciation |
(0.52) | (0.90) | (0.66) | (1.05) | (0.78) | (0.68) | (1.10) | (1.10) | (0.96) | (1.66) |
Interest Coverage |
(9.23) | 5.50 | 4.42 | 17.23 | 15.91 | 3.02 | 5.29 | 11.17 | 7.70 | 7.38 |
| (14.76%) | 5.49% | 4.48% | 23.53% | 26.55% | 5.07% | 6.72% | 17.32% | 28.01% | 10.65% | |
| (7.37%) | 2.87% | 2.29% | 11.46% | 12.42% | 2.43% | 3.37% | 8.37% | 11.29% | 4.82% | |
ROIC |
(8.25%) | 4.31% | 3.68% | 14.40% | 14.83% | 3.00% | 4.44% | 11.01% | 9.98% | 5.13% |
Return on Tangible Assets |
(12.46%) | 4.74% | 3.86% | 18.39% | 19.05% | 3.64% | 4.98% | 12.01% | 16.40% | 5.19% |
Average Days of Receivables |
49.15 | 44.58 | 46.57 | 41.62 | 57.89 | 59.05 | 46.58 | 43.83 | 45.44 | 67.52 |
Research and Development Expense of Revenue |
0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Selling, General and Administrative Expense of Revenue |
8.06% | 7.20% | 6.89% | 5.29% | 4.68% | 5.98% | 5.64% | 5.15% | 4.96% | 5.08% |
Intangible Assets out of Total Assets |
0.13 | 0.16 | 0.16 | 0.18 | 0.20 | 0.12 | 0.13 | 0.14 | 0.15 | 0.16 |
Share Based Compensation of Revenue |
0.37% | 0.34% | 0.34% | 0.23% | 0.26% | 0.39% | 0.31% | 0.25% | 0.29% | 0.28% |
Graham Net Nets |
(0.47) | (0.24) | (0.20) | (0.32) | (0.38) | (0.36) | (0.46) | (0.31) | (0.23) | (0.62) |
Graham Number |
0.00 | 95.01 | 84.30 | 179.13 | 153.21 | 54.44 | 60.48 | 89.90 | 96.98 | 45.51 |
Earnings Yield |
(15.82%) | 4.07% | 2.66% | 17.61% | 16.12% | 3.14% | 4.65% | 11.56% | 9.21% | 5.34% |
Free Cash Flow Yield |
(5.59%) | 2.08% | 7.24% | 18.05% | 13.96% | 7.40% | 5.71% | 8.26% | 6.75% | 3.21% |
Revenue per Share |
87.09 | 94.46 | 98.18 | 123.42 | 92.01 | 58.69 | 63.23 | 66.73 | 62.29 | 39.24 |
Operating CF per Share |
3.63 | 10.22 | 18.28 | 26.53 | 18.70 | 10.14 | 10.13 | 10.89 | 11.84 | 6.70 |
Capex per Share |
(7.76) | (7.84) | (8.09) | (8.66) | (5.14) | (4.11) | (6.13) | (5.42) | (4.47) | (4.86) |
Free Cash Flow per Share |
(4.13) | 2.38 | 10.19 | 17.87 | 13.56 | 6.04 | 4.00 | 5.46 | 7.37 | 1.84 |
Cash per Share |
22.83 | 22.71 | 25.85 | 17.41 | 14.91 | 10.27 | 5.67 | 5.82 | 11.86 | 4.79 |
Shareholders Equity per Share |
72.47 | 85.91 | 84.22 | 81.78 | 66.62 | 51.45 | 49.87 | 46.95 | 41.59 | 30.08 |
Interest Debt per Share |
0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Book value per Share |
72.47 | 85.91 | 84.22 | 81.78 | 66.62 | 51.45 | 49.87 | 46.95 | 41.59 | 30.08 |
Free Cash Flow |
(530.00) | 306.00 | 1,302.00 | 2,287.00 | 1,736.00 | 772.00 | 514.00 | 707.00 | 951.00 | 238.00 |
Working Capital |
3,446.00 | 3,995.00 | 3,819.00 | 3,675.00 | 2,919.00 | 2,120.00 | 1,501.00 | 1,659.00 | 1,496.00 | 1,225.00 |
Capital Expenditures |
(995.00) | (1,008.00) | (1,034.00) | (1,108.00) | (658.00) | (525.00) | (787.00) | (702.00) | (577.00) | (629.00) |
Net Current Asset Value |
(4,450.00) | (3,493.00) | (3,662.00) | (4,112.00) | (4,668.00) | (3,780.00) | (4,116.00) | (2,684.00) | (3,244.00) | (4,590.00) |
EV/EBIT |
0.00 | 18.72 | 26.87 | 5.06 | 5.61 | 29.79 | 18.05 | 7.77 | 13.38 | 18.22 |
Capex to Sales |
0.09 | 0.08 | 0.08 | 0.07 | 0.06 | 0.07 | 0.10 | 0.08 | 0.07 | 0.12 |
Price to Operating Income |
0.00 | 16.84 | 24.68 | 4.16 | 4.44 | 24.32 | 13.73 | 6.08 | 11.50 | 12.71 |
| Other line items | ||||||||||
Depreciation/Fixed assets |
0.22 | 0.13 | 0.18 | 0.12 | 0.11 | 0.11 | 0.10 | 0.10 | 0.09 | 0.06 |
Cash ROIC |
(2.98%) | 1.65% | 6.86% | 12.93% | 11.12% | 6.68% | 4.81% | 7.44% | 8.86% | 2.85% |
Accounts Receivable Turnover |
7.48 | 7.87 | 7.38 | 8.61 | 7.64 | 6.67 | 7.83 | 8.47 | 8.29 | 7.01 |
Accounts Payable Turnover |
12.68 | 11.79 | 11.70 | 13.26 | 11.71 | 12.85 | 14.00 | 12.01 | 11.46 | 11.19 |
Inventory Turnover |
6.18 | 6.14 | 5.92 | 7.16 | 7.13 | 6.99 | 7.03 | 6.95 | 7.38 | 6.63 |
Average Days of Payables |
27.59 | 30.50 | 30.99 | 27.68 | 38.73 | 30.19 | 25.17 | 27.84 | 34.87 | 44.23 |
Days of Inventory on Hand |
58.25 | 60.82 | 57.32 | 58.11 | 62.00 | 51.70 | 49.82 | 55.67 | 52.31 | 71.43 |
Average Receivables |
1,493.50 | 1,542.00 | 1,701.00 | 1,834.50 | 1,541.00 | 1,125.00 | 1,036.50 | 1,019.00 | 970.00 | 723.77 |
Average Payables |
817.00 | 864.00 | 883.00 | 884.00 | 707.50 | 504.50 | 490.00 | 553.50 | 548.00 | 365.66 |
Average Inventory |
1,675.00 | 1,659.50 | 1,744.00 | 1,636.50 | 1,162.50 | 927.00 | 975.00 | 957.00 | 850.50 | 617.53 |
Average Assets |
20,355.50 | 20,892.50 | 20,792.50 | 19,504.50 | 16,147.00 | 13,548.00 | 12,431.50 | 11,839.00 | 11,483.00 | 8,229.64 |
Average Common Equity |
10,169.00 | 10,903.50 | 10,614.50 | 9,496.50 | 7,553.00 | 6,490.50 | 6,239.50 | 5,722.50 | 4,630.50 | 3,726.97 |
Columns are period end dates · fundamentals updated 5 Nov 2026