Westlake Corporation (WLK) Key Metrics

NYSE: WLKValuation, returns, debt and efficiency ratios over 10 years.

WLK valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$8.09B
Enterprise value
$12.82B
P/E (TTM)
—
10-yr median 18.2
Forward P/E
15.0
PEG ratio
1.70
Price / sales
0.7
10-yr median 1.2
Price / book
1.0
10-yr median 1.6
EV / EBITDA
154.4
10-yr median 8.4
Dividend yield
3.36%
$2.13 a year
Beta
0.69

WLK key metrics, 2016–2025

Fiscal year ended December 31, 2025 · U.S. dollars

WLK valuation Price multiples at each fiscal year-end price.

Price / sales−30.1%
0.9
2025 · hover or tap a bar for each year
2016: 1.4 (−11.0%)2017: 1.7 (+19.7%)2018: 1.0 (−42.0%)2019: 1.1 (+11.7%)2020: 1.4 (+25.2%)2021: 1.1 (−23.8%)2022: 0.8 (−21.2%)2023: 1.4 (+71.5%)2024: 1.2 (−14.9%)2025: 0.9 (−30.1%)
20162025
Price / book−23.0%
1.1
2025 · hover or tap a bar for each year
2016: 2.1 (+2.4%)2017: 2.8 (+37.1%)2018: 1.5 (−45.7%)2019: 1.4 (−8.3%)2020: 1.6 (+12.6%)2021: 1.6 (−1.1%)2022: 1.3 (−19.7%)2023: 1.8 (+39.2%)2024: 1.4 (−19.9%)2025: 1.1 (−23.0%)
20162025
Free cash flow yield−7.6 pts
−5.6%
2025 · hover or tap a bar for each year
2016: 2.8% (−5.4 pts)2017: 7.0% (+4.1 pts)2018: 8.2% (+1.3 pts)2019: 5.7% (−2.5 pts)2020: 7.4% (+1.7 pts)2021: 13.9% (+6.5 pts)2022: 17.3% (+3.4 pts)2023: 7.2% (−10.1 pts)2024: 2.1% (−5.2 pts)2025: −5.6% (−7.6 pts)
20162025

WLK valuation history

Fiscal year-endToday10-year median

WLK returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

WLK debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

WLK cash returned to shareholders

DividendsBuybacksFree cash flow

WLK price vs earnings per share

Share price at year-endEPS (right axis)

WLK key metrics

2016–2025
Westlake Corporation key metrics by fiscal year
2025202420232022202120202019201820172016
Valuation
Market capitalization$9.53B$14.81B$18.00B$13.21B$12.50B$10.45B$9.03B$8.60B$13.80B$7.28B
Enterprise value$13.01B$17.17B$20.21B$15.98B$16.23B$12.71B$11.87B$10.52B$16.11B$10.65B
P/E ratio—24.637.65.96.231.721.58.610.618.2
Price / sales0.91.21.40.81.11.41.11.01.71.4
Price / book1.11.41.81.31.61.61.41.52.82.1
Price / free cash flow—48.413.85.87.213.517.612.214.435.4
Price / operating cash flow20.511.37.73.95.28.16.96.19.08.7
EV / sales1.21.41.61.01.41.71.51.22.02.1
EV / EBITDA—7.810.33.84.410.28.45.08.710.5
EV / free cash flow—56.115.57.09.416.523.114.916.851.8
Earnings yield−15.8%4.1%2.7%17.0%16.1%3.2%4.7%11.6%9.4%5.5%
Free cash flow yield−5.6%2.1%7.2%17.3%13.9%7.4%5.7%8.2%7.0%2.8%
Dividend yield2.9%1.8%1.2%1.3%1.2%1.3%1.5%1.4%0.7%1.3%
Shareholder yield (dividends + buybacks)3.5%2.2%1.4%2.0%1.4%1.8%1.8%2.6%0.7%2.3%
Share price at fiscal year-end$73.94$114.65$139.96$102.54$97.13$81.60$70.15$66.17$106.53$55.99
Per share
Revenue per share$86.65$93.97$97.58$122.58$91.52$58.58$63.05$66.43$62.07$39.05
Earnings per share−$11.70$4.66$3.72$17.44$15.66$2.58$3.27$7.66$10.07$3.07
Operating cash flow per share$3.61$10.17$18.17$26.35$18.60$10.13$10.10$10.84$11.87$6.42
Free cash flow per share−$4.11$2.37$10.12$17.75$13.49$6.03$3.99$5.44$7.42$1.58
Cash per share$22.71$22.59$25.69$17.29$14.83$10.25$5.65$5.79$11.82$3.53
Book value per share$68.20$81.47$79.64$81.22$61.81$51.35$49.73$43.00$37.63$27.11
Tangible book value per share$48.84$55.83$52.85$52.30$33.81$38.12$35.87$30.23$23.82$13.77
Dividends per share$2.11$2.04$1.72$1.31$1.13$1.07$1.03$0.92$0.80$0.74
Capex per share$7.72$7.80$8.04$8.60$5.11$4.10$6.11$5.40$4.45$4.84
Debt per share$49.72$40.83$42.90$38.79$43.83$27.89$27.68$20.53$29.62$29.45
Shares outstanding128.9M129.2M128.6M128.8M128.7M128.1M128.8M130.0M129.5M130.0M
Change in shares outstanding−0.2%+0.5%−0.2%+0.1%+0.5%−0.5%−0.9%+0.3%−0.3%−1.8%
Returns & profitability
Return on equity (ROE)−15.6%5.8%4.6%24.4%27.7%5.1%7.0%19.0%31.1%11.3%
Return on invested capital (ROIC)−9.9%4.8%4.2%19.1%21.1%4.7%6.4%14.9%17.4%8.5%
Return on assets (ROA)−7.4%2.9%2.3%11.5%12.5%2.4%3.4%8.4%11.4%4.8%
Return on tangible assets−8.6%3.5%2.7%13.4%13.6%2.7%3.7%10.0%12.7%4.4%
Free cash flow margin−4.7%2.5%10.4%14.5%14.7%10.3%6.3%8.2%12.0%4.0%
Income quality (OCF / net income)—2.184.881.511.193.933.091.411.182.09
Financial health
Total debt$6.41B$5.28B$5.52B$5.00B$5.64B$3.57B$3.56B$2.67B$3.84B$3.83B
Cash & short-term investments$2.93B$2.92B$3.30B$2.23B$1.91B$1.31B$728.0M$753.0M$1.53B$459.5M
Net debt$3.48B$2.36B$2.21B$2.77B$3.73B$2.26B$2.84B$1.92B$2.31B$3.37B
Debt / equity0.730.500.540.480.710.540.560.480.791.09
Debt / assets0.320.250.260.240.310.260.270.230.320.35
Net debt / EBITDA—1.071.130.661.011.812.020.911.253.32
Current ratio2.242.802.372.602.252.562.212.401.762.04
Quick ratio1.652.041.791.791.651.891.461.551.301.36
Interest coverage-9.85.54.417.215.93.05.311.27.77.3
Working capital$3.45B$4.00B$3.82B$3.67B$2.92B$2.12B$1.50B$1.66B$1.50B$1.23B
Invested capital$12.27B$12.88B$12.45B$13.23B$11.69B$8.84B$9.24B$7.50B$7.18B$6.89B
Tangible asset value$6.80B$7.73B$7.32B$6.74B$4.92B$4.88B$4.62B$4.42B$3.58B$2.16B
Net current asset value−$4.45B−$3.49B−$3.66B−$4.11B−$4.67B−$3.78B−$4.12B−$2.68B−$3.24B−$4.59B
Graham number—$92.42$81.69$178.52$147.56$54.56$60.49$86.11$92.31$43.27
Graham net-net per share−$44.86−$37.36−$38.53−$43.26−$45.99−$35.71−$37.94−$26.84−$30.69−$41.81
Capital allocation
Dividends paid$272.0M$264.0M$221.0M$169.0M$145.0M$137.0M$132.0M$120.0M$103.0M$96.6M
Share buybacks (net)$63.0M$60.0M$23.0M$101.0M$30.0M$54.0M$30.0M$106.0M$0$67.4M
Dividend payout ratio—43.9%46.1%7.5%7.2%41.5%31.4%12.0%7.9%24.2%
Dividends + buybacks / free cash flow—105.9%18.7%11.8%10.1%24.7%31.5%32.0%10.7%79.8%
Capex / revenue8.9%8.3%8.2%7.0%5.6%7.0%9.7%8.1%7.2%12.4%
Capex / operating cash flow214.0%76.7%44.3%32.6%27.5%40.5%60.5%49.8%37.5%75.4%
Capex / depreciation0.840.900.941.050.780.681.101.100.961.66
Stock-based compensation / revenue0.4%0.3%0.3%0.2%0.3%0.4%0.3%0.3%0.3%0.3%
SG&A / revenue8.1%7.2%6.9%5.4%4.7%6.0%5.6%5.2%5.0%6.6%
Efficiency
Days sales outstanding48.846.449.542.447.854.746.643.144.052.0
Days of inventory on hand56.259.561.651.051.252.251.952.549.455.1
Days payables outstanding25.929.730.426.830.428.226.030.331.932.6
Cash conversion cycle (days)79.176.280.766.668.678.772.565.361.674.5
Receivables turnover7.487.877.388.617.646.677.838.478.297.01
Payables turnover14.1012.3112.0213.6412.0212.9414.0412.0411.4611.19
Inventory turnover6.506.145.927.167.136.997.036.957.386.63
Asset turnover0.550.580.600.810.730.550.650.730.700.62
Average receivables$1.49B$1.54B$1.70B$1.83B$1.54B$1.12B$1.04B$1.02B$969.9M$723.6M
Average payables$771.5M$827.5M$859.5M$859.5M$689.0M$501.0M$488.5M$552.0M$548.0M$365.7M
Average inventory$1.68B$1.66B$1.74B$1.64B$1.16B$927.0M$975.0M$957.0M$850.5M$617.6M
Intangibles / total assets12.5%16.0%16.4%18.1%19.5%12.3%13.5%14.3%14.8%15.9%

Computed from WLK's annual financial statements (latest annual report filed February 26, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

WLK valuation and financial ratios

Westlake earned a return on equity of −15.6% and a return on invested capital of −9.9% in fiscal 2025. It ended the year with $6.4 billion of debt and $2.9 billion in cash and short-term investments, net debt of $3.5 billion. It returned $335.0 million to shareholders: $272.0 million in dividends and $63.0 million in share buybacks.

See the WLK income statement, the WLK chart for price history, or the WLK stock overview for the latest quote and news.

WLK key metrics FAQ

What is Westlake's return on equity?

Westlake's return on equity (ROE) was −15.6% in fiscal 2025: net income of -$1.5 billion on average shareholders' equity of $9.7 billion.

What is Westlake's ROIC?

Westlake's return on invested capital was −9.9% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Westlake have?

Westlake had total debt of $6.4 billion at the end of fiscal 2025, a debt-to-equity ratio of 0.73.

What is Westlake's dividend yield?

Westlake's forward dividend yield is 3.36%. Westlake paid $272.0 million in dividends in fiscal 2025 ($2.11 per share), a payout ratio of —.

Does Westlake buy back its shares?

Yes. Westlake spent $63.0 million on net share repurchases in fiscal 2025 Shares outstanding changed −0.2% over the year, to 128.9M..

What is Westlake's free cash flow yield?

Westlake generated -$530.0 million of free cash flow in fiscal 2025, a free cash flow yield of −5.6% on its market value at year-end ($9.5 billion).

What is Westlake's current ratio?

Westlake's current ratio was 2.24 at the end of fiscal 2025: current assets were 2.24 times current liabilities.

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