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Westlake WLK Operating margin

Operating margin at other companies

Olin logo
OlinOLN
3.1%-2.3pp
Trex Company logo
Trex CompanyTREX
22.1%-3.4pp
OTT
Otter TailOTTR
17.2%-10.0pp
LyondellBasell Industries N.V. logo
LyondellBasell Industries N.V.LYB
-1%
Westlake Chemical Partners logo
Westlake Chemical PartnersWLKP
28.8%-2.0pp
Celanese Corporation logo
Celanese CorporationCE
-23.7%-32.7pp

Other financials

Income statement

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Revenue$3.3B+10.8%
Gross profit$652.0M+153%
Operating income$364.0M+434%
Net income$260.0M+283%
EPS (diluted)$2.01+281%

Balance sheet

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Cash & equivalents$1.7B-21.0%
Total debt$5.9B+6.4%
Total equity$8.7B-15.3%
Total assets$19.4B-6.6%

Cash flow

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Operating cash flow$318.0M+136%
CapEx$207.0M-22.5%
Free cash flow-$303.0M+6.8%

Valuation

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Market cap$10.09B-3.0%
Enterprise value$14.3B+3.5%
P/S0.9×0.0×

Profitability

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Gross margin9.6%-1.6pp
Net margin-10.9%-11.6pp
FCF margin-4.6%-5.3pp

Returns & leverage

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Return on equity-13%-13.7pp
Debt / equity0.7×+0.1×
Current ratio2.5×0.0×

Where this comes from

Calculated from Westlake’s reported figures.

Based on trailing twelve months.

The source filing: Westlake’s 10-Q, filed August 5, 2026. Open the filing →

Filed
Aug 5, 2026, 2:27 PM EDT
Fiscal quarter
Q2 FY2026
Calendar quarter
Q2 2026
Accession
0001262823-26-000032

FAQ

What is Westlake's operating margin?
Westlake (WLK) reported operating margin of -11% in Q2 2026.
How has Westlake's operating margin changed year-over-year?
Westlake's operating margin decreased by 1334.6% year-over-year, from 0.9% to -11%.
What is the long-term trend for Westlake's operating margin?
Over 4 years (2020 to 2025), Westlake's operating margin has grown at a 25.4% compound annual growth rate (CAGR), from 5.7% to -14.1%.
What does operating margin mean?
Operating income as a percentage of revenue (trailing twelve months). Captures profitability from core operations after both cost of revenue and operating expenses, but before interest and taxes.

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