LYONDELLBASELL INDUSTRIES N.V. vs Westlake Corporation, two Chemicals stocks. A side-by-side on valuation, growth, margins, returns, and what each price is betting.
LyondellBasell and Westlake both make commodity chemicals, and both lost money this cycle as end-market prices fell. LyondellBasell posted a negative 7.86% return on equity and a negative 2.66% net margin; Westlake ran deeper red at a negative 18.09% return and a negative 14.91% margin. LyondellBasell still produced cash, a 5.05% free-cash yield, while Westlake burned it at a negative 5.18%. The dividends split too: LyondellBasell yields 9.78%, Westlake 2.75%, both payouts leaning on a rebound. Westlake trades near book at 1.08 times, LyondellBasell at 1.79. Two price-takers in the same trough, differing mainly in how deep the loss cut.
Comparison updated 2026-07-11.
| Metric | LYB | WLK |
|---|---|---|
| Price | $56.34 | $75.50 |
| Market cap | $18.2B | $9.7B |
| Sector | Chemicals | Chemicals |
| Stage | Mature | Mature |
| P/B | 1.81 | 1.07 |
| P/S | 0.61 | 0.88 |
| EV/EBITDA | 335.7 | — |
| Revenue growth | -9.3% | -8.7% |
| Gross margin | — | 4.2% |
| Operating margin | 3.3% | -6.5% |
| Net margin | -2.7% | -14.9% |
| Return on equity | -7.9% | -18.1% |
| Return on assets | -2.3% | -8.3% |
| Return on invested capital | -2.3% | -9.0% |
| FCF yield | 5.0% | -5.3% |
| Dividend yield | 9.7% | 2.8% |
| Debt / equity | 0.02 | 0.67 |
| Current ratio | 1.54 | 2.17 |
| Altman Z (solvency) | 7.31 | 1.87 |
| Piotroski F (quality) | 4 / 9 | 4 / 9 |
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The stronger value is highlighted per metric where one is strictly better on that single number; it is not an overall verdict on either company. For informational and research purposes only. Not investment advice. Not a recommendation to buy, sell, or hold any security. boothcheck is not a registered investment adviser. Past performance does not guarantee future results.