Westlake (WLK) Gross Profit Margin starting from the third quarter 2026 to third quarter 2025, Profitability Trends and Ranking, Fundamental Ratios - CSIMarket
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• Gross Margin
• EBITDA Margin
• Operating Margin
• Net Margin
• Pre-Tax Margin
• Effective Tax Rate
• Free Cash Flow Margin
• Cash Flow Margin
Westlake Corporation  (NYSE: WLK)


Westlake's Gross Profit Margin by quarter

Trends, Rankings, Statistics


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WLK Gross Profit Margin (Sep 30 2026)
Q3 		(Jun 30 2026)
Q2 		(Mar 31 2026)
Q1 		(Dec 31 2025)
Q4 		(Sep 30 2025)
Q3
Y / Y Revenue Change 5.04 %
Seq. Revenue Change -8.87 %
Revenue In Millions $2,981.00
Gross Profit Margin 12.81 %
Gross Profit Margin Total Ranking # 3312
Gross Profit In Millions $382.00
Y / Y Gross Profit Change 61.86 %
Seq. Gross Profit Change -41.41 %


Commenting Third Quarter 2026 Gross Profit Margin
Westlake Corporation experienced contraction in Gross Profit by -41.41 % to $2,981 millions and Revenue by -8.87 %, while Gross Profit Margin fell to 12.81 %, below company*s average Gross Profit Margin.


Observing third quarter 2026 results within Chemical Manufacturing industry 57 other companies have achieved higher Gross Profit Margin. While Gross Profit Margin total ranking has impoved so far to 3312, from total ranking in the previous quarter at 3689.
Learn about Gross Margin
WLK's Gross Profit Margin third quarter 2026 Company Ranking
Within: No.
Chemical Manufacturing Industry # 58
Basic Materials Sector # 216
Overall # 3285

Gross Profit Margin Statistics
High Average Low
33.32 % 20.17 % 3.43 %
(Sep 30 2021)   (Dec 31 2025)


WLK Gross Income Trends • More of WLK's Profitabilty Ratios • WLK Stock Quotes and Charts


Other Gross Profit Margin Profitability Ratios
WLK's Cumulative Gross Profit Margin
Chemical Manufacturing Industry Gross Profit Margin Trends and Statistics
Basic Materials Sector Gross Profit Margin Statistics
Gross Profit Margin Profitability Trends for overall market
WLK's Gross Profit Margin Profitability versus Chemical Manufacturing Industry, Basic Materials Sector and total Market
Highest Ranking Gross Profit Margin
Lowest Ranking Gross Profit Margin
Gross Profit Margin Profit Margin for WLK's Competitors
Gross Profit Margin Profit Margin for Westlake's Suppliers
Gross Profit Margin Profit Margin for WLK's Customers

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Companies with similar Gross Profit Margin in the quarter ending Sep 30 2026, within Chemical Manufacturing Industry Gross Profit MarginSep 30 2026 MRQ Gross ProfitSep 30 2026 MRQ Revenue
Element Solutions Inc  34.40 %$ 342.400  Millions$ 995.300  Millions
Aemetis Inc  33.43 %$ 29.473  Millions$ 88.153  Millions
Fuller H B Co  33.22 %$ 311.686  Millions$ 938.175  Millions
Axalta Coating Systems Ltd   33.10 %$ 434.000  Millions$ 1,311.000  Millions
Westlake Chemical Partners Lp  33.04 %$ 103.896  Millions$ 314.459  Millions
Newmarket Corporation  31.03 %$ 222.364  Millions$ 716.502  Millions
Nl Industries inc   29.62 %$ 13.028  Millions$ 43.991  Millions
Green Plains Inc   28.79 %$ 142.808  Millions$ 495.990  Millions
Citrotech Inc   28.57 %$ 0.190  Millions$ 0.664  Millions
Innospec Inc   27.26 %$ 129.100  Millions$ 473.600  Millions
Lsb Industries Inc   27.18 %$ 43.102  Millions$ 158.602  Millions
Azz Inc   25.08 %$ 122.126  Millions$ 486.892  Millions
Luxfer Holdings Plc  24.43 %$ 22.400  Millions$ 91.700  Millions
Hawkins Inc   24.41 %$ 76.606  Millions$ 313.817  Millions
Valhi inc   24.13 %$ 142.100  Millions$ 589.000  Millions
Kronos Worldwide inc   23.54 %$ 127.400  Millions$ 541.100  Millions
Minerals Technologies Inc   23.28 %$ 129.200  Millions$ 554.900  Millions
Flotek Industries Inc  23.08 %$ 26.395  Millions$ 114.352  Millions
Celanese Corporation  21.09 %$ 539.000  Millions$ 2,556.000  Millions
Orion S a   19.20 %$ 90.800  Millions$ 472.800  Millions
Ecovyst Inc   19.02 %$ 58.713  Millions$ 308.636  Millions
Lyondellbasell Industries N v   17.60 %$ 1,496.000  Millions$ 8,499.000  Millions
The Chemours Company  15.00 %$ 231.000  Millions$ 1,540.000  Millions
Westlake Corporation  12.81 %$ 382.000  Millions$ 2,981.000  Millions
Olin Corporation  9.88 %$ 172.700  Millions$ 1,747.700  Millions
Tronox Holdings Plc  9.31 %$ 77.000  Millions$ 827.000  Millions
Alto Ingredients Inc   5.74 %$ 14.801  Millions$ 257.885  Millions
Loop Industries Inc   3.42 %$ 0.004  Millions$ 0.117  Millions




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