WLK

Westlake Corporation (WLK) Business Model Analysis (2026)

Invetso Score: 5/10 — Balanced · Last Updated: 2026-08-01

Overall Score

Revenue Quality

Revenue remains supported by a low price-to-sales multiple of 0.88x and a 1.24x EV/sales valuation.

Gross margin is thin at 4.7%, limiting the quality of top-line conversion.

Profitability

Margins remain negative, with EBIT margin at -11.2% and net margin at -10.9%.

Returns are still weak, with ROIC at -6.4% and ROE at -13.9%.

Cash Generation

Operating cash flow is positive, but free cash flow remains negative at -$495.6M TTM.

Free cash flow yield is negative at -5.7%, reflecting weak conversion after capital spending.

Balance Sheet

Liquidity remains solid with a current ratio of 2.45x and quick ratio of 1.70x.

Leverage is manageable with debt-to-equity at 0.66x, though net debt remains elevated relative to EBITDA.

Business Stability

Working capital remains positive at $3.37B, supporting near-term operating flexibility.

The cash conversion cycle is still long at 92.7 days, indicating moderate working-capital drag.

Sources

  • Company filings (10-K, 10-Q, investor presentations)
  • Financial and market data providers
  • Public news and industry information

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