Westlake Corporation has grown revenue −6.6% a year over three years and 4.5% a year over five. Revenue growth, 3-year annual rate: −6.6% (Specialty Chemicals median +3.3%). Revenue growth, 5-year rate: +4.5%, growth has slowed since the five-year average. Years of annual history on file: 17, FY2009 to FY2025, as filed.

WLKWestlake Corporation

Basic Materials

$62.28-24% 1Y

$62.28

$55.2852 weeks$122.65

Is it growing?

Watch

Growth is fading: revenue shrinking (−4% year on year) and operating margin narrowing (−13.0 points).

2 to watch, 1 without data

Revenue trend−4% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: +4% a year.

Margin direction−13.0 points operating

Trailing-twelve-month operating margin, -12.2% now against 0.8% a year earlier.

All from SEC EDGAR, as of Jun 30, 2026.

Where this answer is blind. These are trailing numbers from the filings, not forecasts: an acquisition or a one-off year can flatter them, so check the quarters.

Is WLK growing?

Westlake Corporation has grown revenue −6.6% a year over three years and 4.5% a year over five.

−6.6%

Revenue growth, 3-year annual rate · Specialty Chemicals median +3.3% · shrinking · compounded from trailing twelve-month revenue

Revenue growth, 5-year rate: +4.5%
Revenue growth, 5-year rate · −6.6% over three · growth has slowed since the five-year average
Years of annual history on file: 17
Years of annual history on file · FY2009 to FY2025, as filed

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