Fundamental analysis · SEC EDGAR · TTM through 30/06/2026
WLK · NYSE · Materials
Fundamental quality
49
out of 100
Westlake Corp is going through a tough financial stretch: it hasn't been profitable over the last twelve months. On fundamental quality it scores 49 out of 100, profiling it as a company with demanding fundamentals. Its weakest area is its profitability (net margin -10.9%). Whether it's cheap or expensive depends on the current price, which you can compute in the tool.
Westlake is a chemicals and building-products maker controlled by the Chao family: PVC, caustic soda and, downstream, the pipes, windows and siding of the American home. From salt and gas to the front porch, integrated end to end.
Revenue growth: 7.7%
Net margin: -10.9% · ROE: -14.2%
Net debt/EBITDA: -45.65x · FCF: -2.3%
Source: SEC EDGAR · TTM through 30/06/2026
The score includes +3 for dividend strength: 12 consecutive years of increases. Keeping that streak demands growing cash generation and balance-sheet discipline.
The score combines growth, profitability and financial strength. Here its financial strength weighs in its favor, while its profitability drags it down the most.
Percentile against the other 27 Materials companies in our coverage: how far it beats them on each metric (100 = best in sector).
Computed from the daily dataset scores. A high percentile places the company among the best in its sector on that metric; it is not a buy recommendation.
Key concepts
What do these metrics mean? Fundamental analysis · What is the P/E · What is EPS · What is ROE · Net & gross margin · Free cash flow
| Year | Revenue | Net income | Free cash flow | Net debt |
|---|---|---|---|---|
| 2020 | 7,504 | 330 | 772 | 2,253 |
| 2021 | 11,778 | 2,015 | 1,736 | 3,272 |
| 2022 | 15,794 | 2,247 | 2,287 | 2,651 |
| 2023 | 12,548 | 479 | 1,302 | 1,602 |
| 2024 | 12,142 | 602 | 306 | 1,643 |
| 2025 | 11,170 | -1,508 | -530 | 2,860 |
Between 2020 and 2025, revenue went from $7,504M to $11,170M (+49%) and net income went from $330M to -$1,508M (-557%).
Annual figures in millions of U.S. dollars ($M) per SEC filings. Net debt is total debt minus cash.
Latest results
Figures for the half-year ended June 30, 2026, versus the half-year ended June 30, 2025 (SEC filings):
Compared with the previous close (March 31, 2026), this is what moved in its accounts:
Automatic comparison between the two most recent periods filed with the SEC. One quarter doesn't make a trend: read it alongside the historical evolution above.
$2.11
per share, yearly
at least 12 straight years raising it
Growth
That is what we can verify in the SEC filings, whose structured data only starts in 2008 and which many companies begin tagging later. The real streak may be considerably longer.
The dividend yield depends on today's price. Compute it in the analyzer → · See all dividend-paying stocks →
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Is Westlake Corp cheap or expensive?
That depends on the current price. Look it up, enter it in the tool and get the full valuation verdict (P/E against its sector).
Compute the valuation →Is Westlake Corp a good company to invest in?
In terms of business quality, Westlake Corp scores 49 out of 100 in our analysis, placing it as a company with demanding fundamentals. That said, this isn't a recommendation: whether it's a good investment also depends on its current price and your goals.
Is Westlake Corp a profitable company?
Over the last twelve months, no: Westlake Corp posts a negative net margin (-10.9%).
Does Westlake Corp have a lot of debt?
No. Westlake Corp has a net cash position: more cash than debt.
Is Westlake Corp growing?
Its revenue has grown 7.7% annualized in recent years.
Does Westlake Corp generate cash?
Over the last twelve months its free cash flow was negative.
The thresholds are general and the system doesn't judge qualitative factors. See the full methodology and use this analysis as a first filter, never as a final decision.
More Materials companies
Linde (LIN) · Lyondellbasell Industries (LYB) · Smurfit Westrock (SW) · International Paper (IP) · Cleveland-cliffs (CLF) · Corteva (CTVA) · see more →
Who's behind the methodology and model · how the score is computed
Data: see Westlake Corp's filings on EDGAR
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