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WESTLAKE CORP (WLK) Stock Fundamental Analysis

USA - New York Stock Exchange - NYSE:WLK - US9604131022 - Common Stock

72.73 USD
+4.29 (+6.27%)
Last: 12/10/2025, 7:00:00 PM
72.64 USD
-0.09 (-0.12%)
After Hours: 12/10/2025, 7:00:00 PM
Fundamental Rating

3

We assign a fundamental rating of 3 out of 10 to WLK. WLK was compared to 82 industry peers in the Chemicals industry. While WLK seems to be doing ok healthwise, there are quite some concerns on its profitability. WLK does not seem to be growing, but still is valued expensively.


Dividend Valuation Growth Profitability Health

3

1. Profitability

1.1 Basic Checks

In the past year WLK has reported negative net income.
WLK had a positive operating cash flow in the past year.
WLK had positive earnings in each of the past 5 years.
Each year in the past 5 years WLK had a positive operating cash flow.
WLK Yearly Net Income VS EBIT VS OCF VS FCFWLK Yearly Net Income VS EBIT VS OCF VS FCFYearly Net Income VS EBIT VS OCF VS FCF 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 1B 2B 3B

1.2 Ratios

Looking at the Return On Assets, with a value of -4.80%, WLK is doing worse than 71.95% of the companies in the same industry.
Looking at the Return On Equity, with a value of -10.10%, WLK is doing worse than 64.63% of the companies in the same industry.
Looking at the Return On Invested Capital, with a value of 0.14%, WLK is doing worse than 80.49% of the companies in the same industry.
WLK had an Average Return On Invested Capital over the past 3 years of 6.90%. This is in line with the industry average of 6.05%.
The last Return On Invested Capital (0.14%) for WLK is well below the 3 year average (6.90%), which needs to be investigated, but indicates that WLK had better years and this may not be a problem.
Industry RankSector Rank
ROA -4.8%
ROE -10.1%
ROIC 0.14%
ROA(3y)5.34%
ROA(5y)5.85%
ROE(3y)10.95%
ROE(5y)12.7%
ROIC(3y)6.9%
ROIC(5y)7.19%
WLK Yearly ROA, ROE, ROICWLK Yearly ROA, ROE, ROICYearly ROA, ROE, ROIC 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 5 10 15 20 25

1.3 Margins

WLK's Profit Margin has been stable in the last couple of years.
WLK has a worse Operating Margin (0.29%) than 81.71% of its industry peers.
WLK's Operating Margin has been stable in the last couple of years.
WLK's Gross Margin of 9.18% is on the low side compared to the rest of the industry. WLK is outperformed by 84.15% of its industry peers.
WLK's Gross Margin has been stable in the last couple of years.
Industry RankSector Rank
OM 0.29%
PM (TTM) N/A
GM 9.18%
OM growth 3Y-30.74%
OM growth 5Y-1.4%
PM growth 3Y-33.82%
PM growth 5Y-0.9%
GM growth 3Y-18.41%
GM growth 5Y0.76%
WLK Yearly Profit, Operating, Gross MarginsWLK Yearly Profit, Operating, Gross MarginsYearly Profit, Operating, Gross Margins 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 5 10 15 20 25

4

2. Health

2.1 Basic Checks

WLK has a Return on Invested Capital (ROIC), which is below the Cost of Capital (WACC), which means it is destroying value.
The number of shares outstanding for WLK remains at a similar level compared to 1 year ago.
WLK has about the same amout of shares outstanding than it did 5 years ago.
Compared to 1 year ago, WLK has an improved debt to assets ratio.
WLK Yearly Shares OutstandingWLK Yearly Shares OutstandingYearly Shares Outstanding 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 20M 40M 60M 80M 100M
WLK Yearly Total Debt VS Total AssetsWLK Yearly Total Debt VS Total AssetsYearly Total Debt VS Total Assets 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 5B 10B 15B 20B

2.2 Solvency

WLK has an Altman-Z score of 1.92. This is not the best score and indicates that WLK is in the grey zone with still only limited risk for bankruptcy at the moment.
WLK has a Altman-Z score (1.92) which is in line with its industry peers.
WLK has a Debt/Equity ratio of 0.41. This is a healthy value indicating a solid balance between debt and equity.
Looking at the Debt to Equity ratio, with a value of 0.41, WLK is in the better half of the industry, outperforming 71.95% of the companies in the same industry.
Industry RankSector Rank
Debt/Equity 0.41
Debt/FCF N/A
Altman-Z 1.92
ROIC/WACC0.02
WACC7.65%
WLK Yearly LT Debt VS Equity VS FCFWLK Yearly LT Debt VS Equity VS FCFYearly LT Debt VS Equity VS FCF 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2B 4B 6B 8B 10B

2.3 Liquidity

WLK has a Current Ratio of 1.99. This is a normal value and indicates that WLK is financially healthy and should not expect problems in meeting its short term obligations.
WLK's Current ratio of 1.99 is in line compared to the rest of the industry. WLK outperforms 51.22% of its industry peers.
A Quick Ratio of 1.39 indicates that WLK should not have too much problems paying its short term obligations.
With a Quick ratio value of 1.39, WLK perfoms like the industry average, outperforming 54.88% of the companies in the same industry.
Industry RankSector Rank
Current Ratio 1.99
Quick Ratio 1.39
WLK Yearly Current Assets VS Current LiabilitesWLK Yearly Current Assets VS Current LiabilitesYearly Current Assets VS Current Liabilites 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2B 4B 6B

3

3. Growth

3.1 Past

WLK shows a strong negative growth in Earnings Per Share. In the last year the EPS decreased by -110.73%.
Measured over the past years, WLK shows a quite strong growth in Earnings Per Share. The EPS has been growing by 9.83% on average per year.
The Revenue has decreased by -5.32% in the past year.
The Revenue has been growing by 8.38% on average over the past years. This is quite good.
EPS 1Y (TTM)-110.73%
EPS 3Y-30.59%
EPS 5Y9.83%
EPS Q2Q%-120.57%
Revenue 1Y (TTM)-5.32%
Revenue growth 3Y1.02%
Revenue growth 5Y8.38%
Sales Q2Q%-8.95%

3.2 Future

Based on estimates for the next years, WLK will show a decrease in Earnings Per Share. The EPS will decrease by -8.41% on average per year.
The Revenue is expected to grow by 2.01% on average over the next years.
EPS Next Y-123.92%
EPS Next 2Y-48.08%
EPS Next 3Y-20.7%
EPS Next 5Y-8.41%
Revenue Next Year-7.52%
Revenue Next 2Y-2.32%
Revenue Next 3Y-0.03%
Revenue Next 5Y2.01%

3.3 Evolution

When comparing the EPS growth rate of the last years to the growth rate of the upcoming years, we see that the growth is decreasing.
The Revenue growth rate is decreasing: in the next years the growth will be less than in the last years.
WLK Yearly Revenue VS EstimatesWLK Yearly Revenue VS EstimatesYearly Revenue VS Estimates 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 5B 10B 15B
WLK Yearly EPS VS EstimatesWLK Yearly EPS VS EstimatesYearly EPS VS Estimates 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 0 5 10 15

1

4. Valuation

4.1 Price/Earnings Ratio

The Price/Earnings Ratio is negative for WLK. In the last year negative earnings were reported.
A Price/Forward Earnings ratio of 51.78 indicates a quite expensive valuation of WLK.
Based on the Price/Forward Earnings ratio, WLK is valued a bit more expensive than the industry average as 65.85% of the companies are valued more cheaply.
WLK is valuated expensively when we compare the Price/Forward Earnings ratio to 23.80, which is the current average of the S&P500 Index.
Industry RankSector Rank
PE N/A
Fwd PE 51.78
WLK Price Earnings VS Forward Price EarningsWLK Price Earnings VS Forward Price Earnings ChartPrice Earnings - Forward Price Earnings PE FPE 0 50 -50 -100

4.2 Price Multiples

62.20% of the companies in the same industry are more expensive than WLK, based on the Enterprise Value to EBITDA ratio.
Industry RankSector Rank
P/FCF N/A
EV/EBITDA 9.31
WLK Per share dataWLK EPS, Sales, OCF, FCF, BookValue per sharePer Share Data Per Share 0 20 40 60 80

4.3 Compensation for Growth

WLK's earnings are expected to decrease with -20.70% in the coming years. This may justify a cheaper valuation.
PEG (NY)N/A
PEG (5Y)N/A
EPS Next 2Y-48.08%
EPS Next 3Y-20.7%

5

5. Dividend

5.1 Amount

WLK has a Yearly Dividend Yield of 3.08%. Purely for dividend investing, there may be better candidates out there.
Compared to an average industry Dividend Yield of 3.98, WLK pays a bit more dividend than its industry peers.
Compared to an average S&P500 Dividend Yield of 2.31, WLK pays a bit more dividend than the S&P500 average.
Industry RankSector Rank
Dividend Yield 3.08%

5.2 History

On average, the dividend of WLK grows each year by 14.83%, which is quite nice.
WLK has paid a dividend for at least 10 years, which is a reliable track record.
WLK has not decreased their dividend for at least 10 years, which is a reliable track record.
Dividend Growth(5Y)14.83%
Div Incr Years20
Div Non Decr Years20
WLK Yearly Dividends per shareWLK Yearly Dividends per shareYearly Dividends per share 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 0.5 1 1.5 2

5.3 Sustainability

The earnings of WLK are negative and hence is the payout ratio. WLK will probably not be able to sustain this dividend level.
DP-28.47%
EPS Next 2Y-48.08%
EPS Next 3Y-20.7%
WLK Yearly Income VS Free CF VS DividendWLK Yearly Income VS Free CF VS DividendYearly Income VS Free CF VS Dividend 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 500M 1B 1.5B 2B

WESTLAKE CORP

NYSE:WLK (12/10/2025, 7:00:00 PM)

After market: 72.64 -0.09 (-0.12%)

72.73

+4.29 (+6.27%)

Chartmill FA Rating
GICS SectorMaterials
GICS IndustryGroupMaterials
GICS IndustryChemicals
Earnings (Last)10-30 2025-10-30/bmo
Earnings (Next)02-23 2026-02-23/amc
Inst Owners34.01%
Inst Owner Change7.99%
Ins Owners1.26%
Ins Owner Change0.03%
Market Cap9.33B
Revenue(TTM)11.48B
Net Income(TTM)-952.00M
Analysts73.64
Price Target82.93 (14.02%)
Short Float %15.15%
Short Ratio3.73
Dividend
Industry RankSector Rank
Dividend Yield 3.08%
Yearly Dividend2.06
Dividend Growth(5Y)14.83%
DP-28.47%
Div Incr Years20
Div Non Decr Years20
Ex-Date11-25 2025-11-25 (0.53)
Surprises & Revisions
EPS beat(2)0
Avg EPS beat(2)-202.92%
Min EPS beat(2)-213.97%
Max EPS beat(2)-191.86%
EPS beat(4)0
Avg EPS beat(4)-161.94%
Min EPS beat(4)-213.97%
Max EPS beat(4)-94.57%
EPS beat(8)2
Avg EPS beat(8)-82.02%
EPS beat(12)4
Avg EPS beat(12)-54.05%
EPS beat(16)7
Avg EPS beat(16)-39.53%
Revenue beat(2)0
Avg Revenue beat(2)-3.8%
Min Revenue beat(2)-4.44%
Max Revenue beat(2)-3.15%
Revenue beat(4)0
Avg Revenue beat(4)-4.08%
Min Revenue beat(4)-4.46%
Max Revenue beat(4)-3.15%
Revenue beat(8)1
Avg Revenue beat(8)-3.3%
Revenue beat(12)1
Avg Revenue beat(12)-3.8%
Revenue beat(16)4
Avg Revenue beat(16)-0.58%
PT rev (1m)-7.47%
PT rev (3m)-10.17%
EPS NQ rev (1m)-20.89%
EPS NQ rev (3m)-578.15%
EPS NY rev (1m)-62.11%
EPS NY rev (3m)-1103.14%
Revenue NQ rev (1m)-0.48%
Revenue NQ rev (3m)-4.87%
Revenue NY rev (1m)-0.43%
Revenue NY rev (3m)-2.19%
Valuation
Industry RankSector Rank
PE N/A
Fwd PE 51.78
P/S 0.81
P/FCF N/A
P/OCF 13.84
P/B 0.99
P/tB 1.35
EV/EBITDA 9.31
EPS(TTM)-0.63
EYN/A
EPS(NY)1.4
Fwd EY1.93%
FCF(TTM)-2.85
FCFYN/A
OCF(TTM)5.25
OCFY7.22%
SpS89.5
BVpS73.49
TBVpS53.82
PEG (NY)N/A
PEG (5Y)N/A
Graham NumberN/A
Profitability
Industry RankSector Rank
ROA -4.8%
ROE -10.1%
ROCE 0.2%
ROIC 0.14%
ROICexc 0.16%
ROICexgc 0.19%
OM 0.29%
PM (TTM) N/A
GM 9.18%
FCFM N/A
ROA(3y)5.34%
ROA(5y)5.85%
ROE(3y)10.95%
ROE(5y)12.7%
ROIC(3y)6.9%
ROIC(5y)7.19%
ROICexc(3y)8.06%
ROICexc(5y)8.28%
ROICexgc(3y)10.44%
ROICexgc(5y)10.79%
ROCE(3y)9.62%
ROCE(5y)10.02%
ROICexgc growth 3Y-33.41%
ROICexgc growth 5Y1.51%
ROICexc growth 3Y-32.2%
ROICexc growth 5Y0.16%
OM growth 3Y-30.74%
OM growth 5Y-1.4%
PM growth 3Y-33.82%
PM growth 5Y-0.9%
GM growth 3Y-18.41%
GM growth 5Y0.76%
F-Score5
Asset Turnover0.58
Health
Industry RankSector Rank
Debt/Equity 0.41
Debt/FCF N/A
Debt/EBITDA 3.27
Cap/Depr 89.41%
Cap/Sales 9.05%
Interest Coverage 0.21
Cash Conversion 56.4%
Profit Quality N/A
Current Ratio 1.99
Quick Ratio 1.39
Altman-Z 1.92
F-Score5
WACC7.65%
ROIC/WACC0.02
Cap/Depr(3y)96.56%
Cap/Depr(5y)87.18%
Cap/Sales(3y)7.85%
Cap/Sales(5y)7.23%
Profit Quality(3y)142.31%
Profit Quality(5y)149.64%
High Growth Momentum
Growth
EPS 1Y (TTM)-110.73%
EPS 3Y-30.59%
EPS 5Y9.83%
EPS Q2Q%-120.57%
EPS Next Y-123.92%
EPS Next 2Y-48.08%
EPS Next 3Y-20.7%
EPS Next 5Y-8.41%
Revenue 1Y (TTM)-5.32%
Revenue growth 3Y1.02%
Revenue growth 5Y8.38%
Sales Q2Q%-8.95%
Revenue Next Year-7.52%
Revenue Next 2Y-2.32%
Revenue Next 3Y-0.03%
Revenue Next 5Y2.01%
EBIT growth 1Y-96.06%
EBIT growth 3Y-30.04%
EBIT growth 5Y6.87%
EBIT Next Year4.17%
EBIT Next 3Y16.99%
EBIT Next 5Y15.07%
FCF growth 1Y-123.56%
FCF growth 3Y-43.93%
FCF growth 5Y-9.85%
OCF growth 1Y-74.06%
OCF growth 3Y-18.12%
OCF growth 5Y0.2%

WESTLAKE CORP / WLK FAQ

What is the fundamental rating for WLK stock?

ChartMill assigns a fundamental rating of 3 / 10 to WLK.


Can you provide the valuation status for WESTLAKE CORP?

ChartMill assigns a valuation rating of 1 / 10 to WESTLAKE CORP (WLK). This can be considered as Overvalued.


What is the profitability of WLK stock?

WESTLAKE CORP (WLK) has a profitability rating of 3 / 10.


Can you provide the dividend sustainability for WLK stock?

The dividend rating of WESTLAKE CORP (WLK) is 5 / 10 and the dividend payout ratio is -28.47%.