Westlake Corporation WLK Stock Analysis
- NYSE
- Stock
- Market closed · opens Monday 9:30 AM ET
$63.49 down $2.79, 4.21% at close Nov 6
Last close · Previous close $66.28
- Market cap
- $8.11BAt the Nov 6 close
- P/E ratio
- n/mLoss over last 12 months
- Diluted EPS
- −$3.47Last 12 months
- Dividend yield
- 3.34%Last 12 months
Price chart
$63.49down $2.79, 4.21%Fri, Nov 6 session
Use the left and right arrow keys to move along the chart.
Price data
Trading
- Previous close$66.28Nov 5
- Volume767.86KNov 6 session
Shares traded on all US exchanges in the last completed session. Live intraday volume covers IEX only, so it is left out.
- Avg. volume984.13KLast 21 sessions
The average daily shares traded over the last 21 trading sessions, about one calendar month.
- 52-week range: $56.33 to $124.23; now $63.49
The lowest and highest trades over the past 52 weeks, adjusted for splits. The marker shows the latest price.
Member SIPC.Low CommissionsLearn More (opens in a new tab)Sponsored. Affiliate link: I may earn a commission. The inclusion of Interactive Brokers’ (IBKR) name, logo or weblink is present pursuant to an advertising arrangement only. IBKR is not a contributor, reviewer, provider or sponsor of content published on this site, and is not responsible for the accuracy of any products or services discussed.
Performance
Past performance, measured to the Nov 6 close. Total return includes reinvested dividends.Price change only, without dividends. Compared with the S&P 500, using SPY.
WLK beat the S&P 500 in 1 of 7 periods.
| Period | WLK and S&P 500 | vs S&P 500 |
|---|---|---|
| Short term | ||
| 1M | WLK: up 0.2% S&P 500: down 5.6% | WLK beat the S&P 500 by 5.8 percentage points Beat |
| 3M | WLK: down 17.5% S&P 500: down 4.1% | WLK trailed the S&P 500 by 13.4 percentage points Trailed |
| YTD | WLK: down 12.6% S&P 500: up 8.7% | WLK trailed the S&P 500 by 21.3 percentage points Trailed |
| 1Y | WLK: up 1.2% S&P 500: up 10.9% | WLK trailed the S&P 500 by 9.7 percentage points Trailed |
| Long term | ||
| 3Y | WLK: down 44.3% S&P 500: up 75.0% −17.7% vs +20.5% a year | WLK trailed the S&P 500 by 119.3 percentage points Trailed |
| 5Y | WLK: down 30.2% S&P 500: up 67.8% −6.9% vs +10.9% a year | WLK trailed the S&P 500 by 98.0 percentage points Trailed |
| 10Y | WLK: up 47.6% S&P 500: up 313.1% +4.0% vs +15.2% a year | WLK trailed the S&P 500 by 265.5 percentage points Trailed |
$10,000 invested in WLK 10 years ago (Nov 4, 2016) would be worth about $14,757 at the close on , with dividends reinvested. The same amount in the S&P 500 would be worth about $41,313.
WLK beat the S&P 500 in 1 of 7 periods.
| Period | WLK and S&P 500 | vs S&P 500 |
|---|---|---|
| Short term | ||
| 1M | WLK: up 0.2% S&P 500: down 5.6% | WLK beat the S&P 500 by 5.8 percentage points Beat |
| 3M | WLK: down 18.0% S&P 500: down 4.3% | WLK trailed the S&P 500 by 13.7 percentage points Trailed |
| YTD | WLK: down 14.1% S&P 500: up 7.8% | WLK trailed the S&P 500 by 21.9 percentage points Trailed |
| 1Y | WLK: down 1.5% S&P 500: up 9.7% | WLK trailed the S&P 500 by 11.2 percentage points Trailed |
| Long term | ||
| 3Y | WLK: down 47.7% S&P 500: up 68.8% −19.4% vs +19.1% a year | WLK trailed the S&P 500 by 116.5 percentage points Trailed |
| 5Y | WLK: down 36.0% S&P 500: up 56.9% −8.5% vs +9.4% a year | WLK trailed the S&P 500 by 92.9 percentage points Trailed |
| 10Y | WLK: up 26.4% S&P 500: up 252.6% +2.4% vs +13.4% a year | WLK trailed the S&P 500 by 226.2 percentage points Trailed |
$10,000 invested in WLK 10 years ago (Nov 4, 2016) would be worth about $12,642 at the close on , not counting dividends. The same amount in the S&P 500 would be worth about $35,257.
All-time high
$162.06
Closing high on . Now 60.8% below that record.
Split-adjusted daily closes since Aug 11, 2004.
Stock splits
1
2-for-1 on . One share bought before the first split is 2 shares today.
Valuation
The Nov 6 close compared with the last 12 months of reported results (the four quarters to Sep 30, 2026). Tap a metric to see how it’s calculated.
Price-to-earnings (P/E)
n/mDiluted EPS of −$3.47 over the last 12 months
A P/E ratio isn’t meaningful while earnings over the last 12 months are negative. When WLK was profitable over the past five years, its P/E ranged from 3.7× to 197.2×, with a median of 12.5×. How to read P/E
Other valuation measures
- 0.7×Last 12 months’ revenue
Market value divided by revenue over the last 12 months. Useful when earnings are small or negative.
P/S = Market cap ÷ Revenue (last 12 months)Price-to-sales ratio - 0.9×Book value as of Sep 30, 2026
Price relative to accounting equity (book value) per share on the Sep 30, 2026 balance sheet. Asset-light companies often trade far above book value.
P/B = Price ÷ Book value per sharePrice-to-book ratio - 14.5×Last 12 months’ EBITDA
Enterprise value divided by EBITDA over the last 12 months. It compares companies with different amounts of debt.
EV/EBITDA = Enterprise value ÷ EBITDA (last 12 months)EV/EBITDA explained - 0.15%Last 12 months’ free cash flow
Free cash flow over the last 12 months as a share of the company’s market value: the cash the business generated for each dollar of stock.
FCF yield = Free cash flow (last 12 months) ÷ Market capFree cash flow - $11.86BAt the Nov 6 close
What it would cost to buy the whole business: the market cap at the Nov 6 close, plus debt, minus cash and short-term investments from the Sep 30, 2026 balance sheet.
EV = Market cap + Debt − Cash and short-term investmentsEV/EBITDA explained
Build your own WLK DCF in Excel. Value Westlake with your own growth and margin assumptions.Browse DCF models Free DCF calculator
Financials
Reported results, not forecasts. From company filings via Tiingo; the latest report is Q3 FY26, the quarter ended Sep 30, 2026. “Last 12 months” means the four quarters from Oct 1, 2025 to Sep 30, 2026, and balance-sheet figures are as of Sep 30, 2026.
Revenue and net income
Last 12 months, with the change from the 12 months before
- Revenue
- $11.44Bdown 0.4%
- Net income
- −$447.00M
- Diluted EPS
- −$3.47
Data table
| Period | Revenue | Net income | Diluted EPS |
|---|---|---|---|
| Q4 FY24 (Dec 31, 2024) | $2.84B | $7.00M | $0.06 |
| Q1 FY25 (Mar 31, 2025) | $2.85B | −$40.00M | −$0.31 |
| Q2 FY25 (Jun 30, 2025) | $2.95B | −$142.00M | −$1.11 |
| Q3 FY25 (Sep 30, 2025) | $2.84B | −$782.00M | −$6.06 |
| Q4 FY25 (Dec 31, 2025) | $2.53B | −$544.00M | −$4.22 |
| Q1 FY26 (Mar 31, 2026) | $2.65B | −$169.00M | −$1.31 |
| Q2 FY26 (Jun 30, 2026) | $3.27B | $260.00M | $2.01 |
| Q3 FY26 (Sep 30, 2026) | $2.98B | $6.00M | $0.05 |
| Period | Revenue | Net income | Diluted EPS |
|---|---|---|---|
| FY21 (Dec 31, 2021) | $11.78B | $2.02B | $15.58 |
| FY22 (Dec 31, 2022) | $15.79B | $2.25B | $17.34 |
| FY23 (Dec 31, 2023) | $12.55B | $479.00M | $3.70 |
| FY24 (Dec 31, 2024) | $12.14B | $602.00M | $4.64 |
| FY25 (Dec 31, 2025) | $11.17B | −$1.51B | −$11.70 |
Margins
- Gross 10.8%
- Operating −3.8%
- Net −3.9%
The percentages above the chart cover the last 12 months; the lines show each quarter. What margins tell you
Cash flow
- $12.00MLast 12 months
Cash from operations minus capital spending: the cash left after the business maintains and grows its assets.
FCF = Operating cash flow − Capital spendingFree cash flow - Operating cash flow$844.00MLast 12 months
- Capital spending$832.00MLast 12 months
- 0.1%Last 12 months
Free cash flow as a share of revenue, both over the last 12 months.
Shareholder returns
- $63.00MLast 12 months
Cash spent repurchasing shares, net of shares issued. Buybacks shrink the share count, so each remaining share owns more of the company.
- Dividends paid$273.00MLast 12 months
- Total returned$336.00MLast 12 months
2,800% of free cash flow
Balance sheet
- $3.01BAs of Sep 30, 2026
Cash plus short- and long-term marketable securities on the Sep 30, 2026 balance sheet.
- Total debt$5.72BAs of Sep 30, 2026
- Net debt$2.71BAs of Sep 30, 2026
- 2.38As of Sep 30, 2026
Current assets divided by current liabilities on the Sep 30, 2026 balance sheet. Above 1 means short-term assets cover the bills due within a year.
Current ratio = Current assets ÷ Current liabilitiesCurrent ratio - 0.66As of Sep 30, 2026
Total debt divided by shareholders’ equity on the Sep 30, 2026 balance sheet: a measure of financial leverage.
D/E = Total debt ÷ Shareholders’ equityDebt-to-equity ratio
Financial strength
- 7 of 9Last 12 months
vs the 12 beforeA 0–9 checklist from accounting professor Joseph Piotroski. Each test compares the last 12 months with the 12 months before and scores a point if it passes. 8–9 is strong; 0–2 is weak.
- ✗Net income was positive: not passed
- ✓Operating cash flow was positive: passed
- ✓Return on assets improved: passed
- ✓Operating cash flow exceeded net income: passed
- ✗Long-term debt fell relative to assets: not passed
- ✓Current ratio improved: passed
- ✓Share count didn’t rise: passed
- ✓Gross margin improved: passed
- ✓Asset turnover (revenue ÷ assets) improved: passed
- −5.2%Last 12 months
Over the last 12 months, Westlake lost money: its net loss was 5.2% of its shareholders’ equity (averaged over the last four quarter-ends). It describes the past year, not an expected return.
ROE = Net income (last 12 months) ÷ Average equityReturn on equity - −2.3%Last 12 months
Over the last 12 months, Westlake’s net loss was 2.3% of its total assets (averaged over the last four quarter-ends).
ROA = Net income (last 12 months) ÷ Average total assets
Dividends
Cash dividends per share by ex-dividend year, adjusted for splits.
Dividends per share
Data table
| Year | Per share |
|---|---|
| 2016 | $0.74 |
| 2017 | $0.80 |
| 2018 | $0.92 |
| 2019 | $1.03 |
| 2020 | $1.07 |
| 2021 | $1.14 |
| 2022 | $1.31 |
| 2023 | $1.57 |
| 2024 | $2.05 |
| 2025 | $2.11 |
| 2026 (to date) | $1.59 |
Dividend details
- $2.12Per share, last 12 months
Cash dividends per share with ex-dividend dates in the last 12 months.
- 3.34%; 5-yr low 0.82%, 5-yr high 4.19%Last 12 months
Dividends paid over the last 12 months as a share of the Nov 6 close. The bar shows where that yield sits in its range over the past five years; the median was 1.29%.
- $0.53Ex-dividend
The most recent payment per share. Shares bought on or after the ex-dividend date don’t receive it.
- FrequencyQuarterly4 payments in the last 12 months
- up 14.7% a yearFull years 2020–2025
The compound annual growth rate of the full-year dividend per share from 2020 to 2025.
- 20 yearsThrough 2025
How many calendar years in a row the full-year amount has risen, through 2025.
About Westlake Corporation
Westlake Chemical Corporation is an international manufacturer and supplier of petrochemicals, polymers and building products with its headquarters in Houston. Highly integrated along our olefins and vinyls product chains, the company produces: ethylene; polyethylene; propylene; styrene; chlor-alkali and derivative products; PVC suspension and specialty resins; PVC compounds; building products including pipe, fittings and specialty components, decking, roofing, siding, trim and molding, and window lineals; and PVC film.
- Sector
- Basic Materials
- Industry
- Specialty Chemicals
- Headquarters
- Texas, USA
- SEC filings
- EDGAR (opens in a new tab)
- Exchange
- NYSE
- Asset type
- Common stock
- Price history since
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WLK stock FAQ
What is WLK stock’s price today?
Westlake (WLK) traded at $63.49 at the close on , down $2.79 (4.21%) from the previous close of $66.28. Over the past 52 weeks it has traded between $56.33 and $124.23.
If you invested $1,000 in WLK 10 years ago, how much would you have now?
With dividends reinvested, $1,000 invested in WLK on would be worth about $1,476 at the close on , a total return of +47.6%. The same $1,000 would be worth $698 if invested five years ago, $1,012 if invested one year ago, and $5,315 if invested 20 years ago. Past performance doesn’t predict future returns.
What is Westlake’s market cap?
Westlake’s market capitalization is about $8.1 billion. That’s Tiingo’s daily market cap for , at that day’s closing price of $63.49 (how market cap works). Westlake reported 127.80M shares outstanding at the end of its latest quarter ().
What is WLK’s P/E ratio?
WLK’s P/E ratio isn’t meaningful right now because its earnings over the four quarters to are negative (diluted EPS of −$3.47). When it was profitable over the past five years, its P/E ranged from 3.7 to 197.2.
How much revenue does Westlake make?
Westlake reported $11.4 billion of revenue over the four quarters to , down 0.4% from the twelve months before. In its latest quarter (Q3 FY26, ended ) revenue was $3.0 billion, up 5.0% from a year earlier.
Is Westlake profitable?
Not over the four quarters to . Westlake reported a net loss of $447.0 million across those four quarters on $11.4 billion of revenue.
What are WLK’s earnings per share?
WLK’s diluted earnings per share were −$3.47 over the four quarters to , compared with −$7.42 in the twelve months before. The latest quarter (Q3 FY26) brought $0.05 per share, against −$6.06 a year earlier (how EPS works).
Does WLK pay a dividend?
Yes. Westlake pays a quarterly dividend. The most recent was $0.53 per share, with an ex-dividend date of . Over the last twelve months it paid $2.12 per share, a 3.34% yield at the close, and the full-year dividend has risen 20 years in a row (how dividend yield works).
Based on the last 12 months’ payments ($2.12 per share), and if the next 12 months match the last 12, 100 shares would receive about $212 over 12 months, and $1,000 over 12 months would take about 472 shares, roughly $29,967 at the close. Dividends can change.
What is WLK’s 52-week high and low?
Over the past 52 weeks WLK has traded as low as $56.33 and as high as $124.23. At $63.49 at the close on , it is 48.9% below that high and 12.7% above the low.
What is WLK’s all-time high?
WLK’s highest closing price was $162.06 on , adjusted for stock splits. At $63.49 at the close on , it is 60.8% below that record.
Has WLK stock ever split?
Yes, once: 2-for-1 on . One share bought before the first split would be 2 shares today.
How has WLK stock performed?
Including dividends and measured to the close on , WLK has returned −12.6% so far this year and +1.2% over the past year, and −30.2% over five years (−6.9% a year). Over the same periods the S&P 500, measured by SPY, returned +8.7%, +10.9% and +67.8%. Past performance doesn’t predict future returns.
What sector and industry is Westlake in?
Westlake is in the Basic Materials sector and the Specialty Chemicals industry, and is headquartered in Texas, USA.
What exchange does WLK trade on?
Westlake trades on the NYSE under the ticker symbol WLK. Its price history on this dashboard begins on .
Member SIPC.Low CommissionsLearn More (opens in a new tab)Sponsored. Affiliate link: I may earn a commission. The inclusion of Interactive Brokers’ (IBKR) name, logo or weblink is present pursuant to an advertising arrangement only. IBKR is not a contributor, reviewer, provider or sponsor of content published on this site, and is not responsible for the accuracy of any products or services discussed.
About this data. Data sourced by Tiingo (opens in a new tab). The live price is Tiingo’s real-time price, based on IEX trades and quotes; intraday charts show IEX trades, and volume figures are consolidated totals for completed sessions. Prices are split-adjusted, and total returns assume dividends are reinvested. Financials come from company filings and can lag new reports. Times are Eastern.
This page is for education, not investment advice. Past performance doesn't predict future returns. Logos provided by Logo.dev (opens in a new tab).
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