What are Westlake's profit margins?

Westlake (WLK) runs a 6.3% gross margin and a -15.7% operating margin, with a -14.9% net margin.

Where do Westlake's ratios come from?

Every ratio is computed from Westlake's SEC filings — trailing-twelve-month flows over period-end balances. Valuation multiples combine those fundamentals with market data, recomputed each period. Switch between quarterly, annual, and TTM, or open any ratio for its full history and peer comparisons.

Westlake WLK Ratios & Valuation

Income Statement Balance Sheet Cash Flow Ratios Segments

Quarterly Annual TTM

YoY QoQ

Simplified Detailed

	Q1 '26	Q4 '25	Q3 '25	Q2 '25	Q1 '25
Profitability
Gross margin	6.3%-1.0pp	7.3%-1.9pp	9.2%-2.0pp	11.2%-3.1pp	14.3%-1.8pp
Operating margin	-15.7%-1.5pp	-14.1%-6.8pp	-7.3%-8.2pp	0.9%-4.3pp	5.2%-2.0pp
Net margin	-14.9%-1.4pp	-13.5%-5.2pp	-8.3%-7.8pp	-0.6%-3.8pp	3.2%-1.7pp
Returns
Return on equity	-17.3%-1.7pp	-15.6%-6.1pp	-9.5%-8.9pp	-0.6%-4.4pp	3.7%-2.1pp
Return on invested capital	-13.1%-0.7pp	-12.4%-5.9pp	-6.5%-6.8pp	0.4%-2.6pp	3%-1.7pp
Efficiency
Asset turnover	0.5×0.0×	0.5×0.0×	0.6×0.0×	0.6×0.0×	0.6×0.0×
Liquidity
Current ratio	2.2×-0.1×	2.2×+0.3×	2×-0.5×	2.5×-0.2×	2.6×-0.2×
Leverage
Debt-to-equity	0.7×0.0×	0.7×+0.2×	0.6×0.0×	0.5×0.0×	0.5×0.0×
Per Share
Book value per share	$66.78-2.6%	$68.55-6.7%	$73.50-8.3%	$80.15-1.2%	$81.13-0.4%
Valuation
Market capitalization	$14.94B+57.5%	$9.48B-4.0%	$9.88B+1.7%	$9.72B-24.4%	$12.85B-12.9%
Price / sales	1.4×+0.5×	0.8×0.0×	0.9×0.0×	0.8×-0.2×	1.1×-0.1×
Price / book	1.7×+0.7×	1.1×0.0×	1×+0.1×	0.9×-0.3×	1.2×-0.2×
Dividend yield	1.8%-1.0pp	2.9%+0.1pp	2.7%0.0pp	2.8%+0.7pp	2.1%+0.3pp

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Questions, answered.

What are Westlake's profit margins?: Westlake (WLK) runs a 6.3% gross margin and a -15.7% operating margin, with a -14.9% net margin.
Where do Westlake's ratios come from?: Every ratio is computed from Westlake's SEC filings — trailing-twelve-month flows over period-end balances. Valuation multiples combine those fundamentals with market data, recomputed each period. Switch between quarterly, annual, and TTM, or open any ratio for its full history and peer comparisons.