AllSight
Companies · WLK · Industrial Organic Chemicals

WESTLAKE CORP (WLK)

WESTLAKE CORP (WLK) stock — the fundamentals (P/E, market cap, valuation) and every material event, decoded in plain English.

WESTLAKE CORP (WLK) stock — financials & valuation

Key numbers for WESTLAKE CORP (WLK): P/E ratio, market cap, profit margins, returns, and whether the stock looks cheap or expensive versus its own 5-year range.

AllSight quality score: 32/100 — a percentile rank of WESTLAKE CORP’s fundamentals against Manufacturing peers, weakest on growth. A quality ranking, not a price prediction.

Market cap$8.0B
P / S0.7×
EV / EBITDA9.6×
Gross margin9.6%
Operating margin-11.0%
Net margin-10.5%
Return on equity-14.2%
ROIC-9.1%
Revenue growth-4.0%
Debt / equity0.6×
Dividend yield3.4%

Is WESTLAKE CORP overvalued? P/S looks undervalued vs its 5-year range; EV/EBITDA looks fair vs its 5-year range; P/B looks undervalued vs its 5-year range.

Independent of the events above — derived from WESTLAKE CORP’s own financial statements and shown as context, never as advice.

Aug 31, 2026CAO succession
Westlake names new chief accounting officer as finance leadership shifts internally
Related companies in Industrial Organic Chemicals
Open live on AllSight — the whole market, decoded →

About AllSight · Editorial standards & method · Contact