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WESTLAKE CORP WLK

NYSE · stock · Industrial Organic Chemicals · website · IPO 2004-08-11 · LEI

WESTLAKE CORP statistics & valuation

P / S1.0×
P / B1.2×
Net margin-13.5%
FCF margin-4.7%
Net debt$2.9B
Enterprise value USD$13.7B
Earnings yield EBIT/EV-11.5%
Return on capital-9.2%

Market cap as of 2026-06-29. Multiples are price-derived and refreshed daily; everything else from the latest financial reports.

Profitability & efficiency

Net margin (%)
7.90% 16.20% 11.50% 5.20% 4.40% 17.10% 14.20% 3.80% 5.00% -13.50% 2016201720182019202020212022202320242025
Gross margin (%)
19.40% 21.90% 23.00% 15.50% 13.60% 29.70% 25.80% 17.70% 16.10% 7.30% 2016201720182019202020212022202320242025
Operating margin (%)
11.50% 15.20% 16.30% 8.10% 5.70% 23.80% 19.30% 5.80% 7.20% -14.10% 2016201720182019202020212022202320242025
Return on equity (%)
10.30% 24.30% 16.40% 6.60% 5.00% 23.60% 21.50% 4.50% 5.50% -16.20% 2016201720182019202020212022202320242025
Shares outstanding
130.0M 129.5M 130.0M 128.8M 128.1M 128.7M 128.8M 128.6M 129.2M 128.3M 2016201720182019202020212022202320242025
Net debt ($)
$3.22B $2.31B $1.92B $2.72B $2.25B $3.27B $2.65B $1.60B $1.64B $2.86B 2016201720182019202020212022202320242025
Share buybacks ($)
2016201720182019202020212022202320242025
Return on assets (%)
3.70% 10.80% 8.60% 3.20% 2.40% 10.90% 10.90% 2.30% 2.90% -7.60% 2016201720182019202020212022202320242025
Free cash flow margin (%)
4.70% 11.80% 8.20% 6.30% 10.30% 14.70% 14.50% 10.40% 2.50% -4.70% 2016201720182019202020212022202320242025
Debt / equity (×)
0.95× 0.71× 0.44× 0.54× 0.54× 0.61× 0.47× 0.46× 0.41× 0.60× 2016201720182019202020212022202320242025
EPS ($)
$3.06 $10.00 $7.62 $3.25 $2.56 $15.58 $17.34 $3.70 $4.64 -$11.70 2016201720182019202020212022202320242025

Margins and returns computed from annual filings. Falling shares outstanding = buybacks; rising = dilution. Net debt = debt − cash (negative = net cash).

P / E vs its own history

WESTLAKE CORP trades at about 17.1× earnings — near its 10-year norm (10-year range 6.3×–37.4×, median 18.8×).

6.3× 37.4×

Shaded band = 10-year range (6.3×–37.4×); dot = today's 17.1×.

Historical P/E = month-end price near each fiscal year-end ÷ that year's EPS. A read on whether the stock is cheap or dear relative to how it has typically been valued — not a forecast.

Key ratios (by fiscal year)

RatioFY2025FY2024FY2023FY2022FY2021FY2020FY2019FY2018FY2017FY2016
Gross margin7.3%16.1%17.7%25.8%29.7%13.6%15.5%23.0%21.9%19.4%
Operating margin-14.1%7.2%5.8%19.3%23.8%5.7%8.1%16.3%15.2%11.5%
Net margin-13.5%5.0%3.8%14.2%17.1%4.4%5.2%11.5%16.2%7.9%
FCF margin-4.7%2.5%10.4%14.5%14.7%10.3%6.3%8.2%11.8%4.7%
Return on assets-7.6%2.9%2.3%10.9%10.9%2.4%3.2%8.6%10.8%3.7%
Return on equity-16.2%5.5%4.5%21.5%23.6%5.0%6.6%16.4%24.3%10.3%
Debt / equity0.60×0.41×0.46×0.47×0.61×0.54×0.54×0.44×0.71×0.95×
Current ratio2.242.802.372.602.252.562.212.401.762.04

Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.