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LyondellBasell Industries N.V. vs Westlake: LYB and WLK compared
LyondellBasell Industries N.V. is the larger company: $8.5B of revenue in its latest quarter (Q3 2026) against $3.0B for Westlake (Q3 2026). LyondellBasell Industries N.V. is growing faster (+10% against +5% a year earlier). LyondellBasell Industries N.V. is more profitable, with an operating margin of 12.6% against 1.4%.
Where the money goes: LYB and WLK
LyondellBasell Industries N.V. (LYB) · Q3 2026
LyondellBasell Industries N.V., Q3 2026: revenue $8.5B (+10% year over year), operating margin 12.6%, net earnings $758M, operating cash flow $1.7B. The chart follows the revenue to costs, profit and cash.
Westlake (WLK) · Q3 2026
Westlake, Q3 2026: revenue $3.0B (+5% year over year), operating margin 1.4%, net earnings $18.0M, operating cash flow $395M. The chart follows the revenue to costs, profit and cash.
| LyondellBasell Industries N.V. (LYB) | Westlake (WLK) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q3 2026 |
| Revenue | $8.5B | $3.0B |
| Revenue growth, Y/Y | +10% | +5% |
| Gross margin | — | 12.8% |
| Operating margin | 12.6% | 1.4% |
| Net earnings | $758M | $18.0M |
| Net margin | 8.9% | 0.6% |
| Operating cash flow | $1.7B | $395M |
| Free cash flow | $1.4B | $220M |
| Market value | $19.9B | $8.2B |
| P/E | 15.6× | — |
| Analysts’ mean target | $72.28 | $78.06 |
Where the revenue comes from
LyondellBasell Industries N.V.
- Polyethylene: $1.9B (22%)
- Oxyfuels and related products: $1.9B (22%)
- Polypropylene: $1.4B (16%)
- Olefins and co-products: $1.3B (15%)
Questions
Which is bigger, LyondellBasell Industries N.V. or Westlake?
LyondellBasell Industries N.V. is the larger company: $8.5B of revenue in its latest quarter (Q3 2026) against $3.0B for Westlake (Q3 2026).
Is LyondellBasell Industries N.V. or Westlake growing faster?
LyondellBasell Industries N.V. is growing faster (+10% against +5% a year earlier).
Which is more profitable, LyondellBasell Industries N.V. or Westlake?
LyondellBasell Industries N.V. is more profitable, with an operating margin of 12.6% against 1.4%.
More: LyondellBasell Industries N.V. earnings · how LyondellBasell Industries N.V. makes money · Westlake earnings · how Westlake makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Oct 30, 2026; 10-Q filed Nov 4, 2026). Fiscal quarters can end on different dates. Not investment advice.