Westlake Corporation Common Stock (WLK)
Basic Materials › Industrial Organic Chemicals
Price History
Feb 9, 2026 — Aug 16, 2026Investment Snapshot
- Trading 14% below Graham Number — thin margin of safety
- Piotroski F-Score 4/9 — moderate financial health
- Loss-making — negative ROE of -9.6%
- Revenue declining 8% annually
Westlake Corporation Common Stock (WLK) is a Basic Materials company operating in Industrial Organic Chemicals, listed on the NYSE , with a market capitalisation of $10.2 billion . Key value metrics: P/E ratio 17.1, P/B ratio 1.17, Piotroski F-Score 4 out of 9 (moderate financial health) .
Value Score
Key Metrics
Current vs 5-Year Average
Based on 5 years of SEC filingsRevenue & Net Income
Financial Statements
| Metric | FY22 | FY23 | FY24 |
|---|---|---|---|
| Revenue | $X.XB | $X.XB | $X.XB |
| Gross Profit | $X.XB | $X.XB | $X.XB |
| Operating Income | $X.XB | $X.XB | $X.XB |
| Net Income | $X.XB | $X.XB | $X.XB |
| EBITDA | $X.XB | $X.XB | $X.XB |
| Total Assets | $X.XB | $X.XB | $X.XB |
| Total Liabilities | $X.XB | $X.XB | $X.XB |
Westlake Corporation Common Stock — Fundamental Analysis Summary
Westlake Corporation Common Stock (WLK) is trading 14% below its Graham Number of $92.67, offering a thin margin of safety. The stock carries a reasonable trailing P/E ratio of 17.1x.
On financial health, WLK shows a moderate Piotroski F-Score of 4/9, and negative return on equity of -9.6% (sector average: 0.2%), and manageable leverage with a debt-to-equity ratio of 0.58.
StockPik's composite Value Score for WLK is 61/100 — an above-average value rating. The score is built from ten fundamental signals: P/E, P/B, PEG ratio, P/S ratio, return on equity, gross margin, debt-to-equity, current ratio, dividend yield, and Piotroski F-Score.
WLK reports a thin gross margin of 10.7% (sector average: 32.2%) and a negative operating margin of -5.8%.
WLK shows revenue declining at 8% year-over-year, with earnings declining at 350%.
WLK pays a modest dividend yield of 2.7%.