Westlake Corporation
WLK Real Time Price USD
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Overview
Financials
Forecast
Insiders
Institutions
Compensation
Government
Ownership
News
Income
Balance Sheet
Cash Flow
Revenue Breakdown
Recent trades of WLK by members of U.S. Congress
WLK Stock Insider Trading Activity
Follow @QuiverQuant for major insider updates
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Closing Price
Purchase
Sale
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WLK Stock Institutional Owners
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Investor
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WLK Derivatives Institutional Owners
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Recently reported changes in WLK holdings by institutional investors
Quarterly net insider trading by WLK's directors and management
* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.
- 1M
- 3M
- 6M
- YTD
- 1Y
- 2Y
- 5Y
- MAX
About
Backtest Start Date
Key Metrics
Return (1d)
Return (30d)
Return (1Y)
CAGR (Total)
Max Drawdown
Beta
Alpha
Sharpe Ratio
Win Rate
Average Win
Average Loss
Annual Volatility
Annual Std Dev
Information Ratio
Treynor Ratio
Total Trades
Metrics Definitions
Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.
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Alpha
Measures a portfolio's risk-adjusted performance against that of its benchmark
Learn More about Alpha -
Annual Standard Deviation
Measures how much the portfolio's total return varies from its mean or average.
Learn More about Annual Standard Deviation -
Annual Volatility
A statistical measure of the dispersion of returns for the portfolio.
Learn More about Annual Volatility -
Average Win
The average return (%) for trades that resulted in a positive return.
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Average Loss
The average return (%) for trades that resulted in a negative return.
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Beta
A measure of the volatility of the portfolio compared to the market as a whole.
Learn More about Beta -
CAGR
CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.
Learn More about CAGR -
Information Ratio
A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.
Learn More about Information Ratio -
Max Drawdown
the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.
Learn More about Max Drawdown -
Sharpe Ratio
The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.
Learn More about Sharpe Ratio -
Total Trades
The total number of trades made by this strategy.
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Treynor Ratio
Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.
Learn More about Treynor Ratio -
Win Rate
The percentage of total trades that resulted in a positive return.
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Government lobbying spending instances
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$80,000 Oct 20, 2025 Issue: Taxation/Internal Revenue Code
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$30,000 Oct 18, 2025 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 21, 2025 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 18, 2025 Issue: Taxation/Internal Revenue Code
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$80,000 Apr 21, 2025 Issue: Taxation/Internal Revenue Code
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$60,000 Apr 20, 2025 Issue: Taxation/Internal Revenue Code
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$60,000 Jan 20, 2025 Issue: Taxation/Internal Revenue Code
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$80,000 Jan 20, 2025 Issue: Taxation/Internal Revenue Code
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$60,000 Oct 21, 2024 Issue: Taxation/Internal Revenue Code
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$80,000 Oct 18, 2024 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 20, 2024 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 19, 2024 Issue: Taxation/Internal Revenue Code
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$60,000 Jan 21, 2024 Issue: Taxation/Internal Revenue Code
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$80,000 Jan 19, 2024 Issue: Taxation/Internal Revenue Code
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$60,000 Oct 19, 2023 Issue: Taxation/Internal Revenue Code
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$80,000 Oct 18, 2023 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 20, 2023 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 15, 2023 Issue: Taxation/Internal Revenue Code
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$80,000 Jan 19, 2023 Issue: Taxation/Internal Revenue Code
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$60,000 Jan 16, 2023 Issue: Taxation/Internal Revenue Code
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$80,000 Oct 19, 2022 Issue: Taxation/Internal Revenue Code
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$60,000 Oct 17, 2022 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 19, 2022 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 17, 2022 Issue: Taxation/Internal Revenue Code
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$80,000 Apr 20, 2022 Issue: Taxation/Internal Revenue Code
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$60,000 Apr 16, 2022 Issue: Taxation/Internal Revenue Code
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$80,000 Jan 19, 2022 Issue: Taxation/Internal Revenue Code
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$60,000 Jan 16, 2022 Issue: Taxation/Internal Revenue Code
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$80,000 Oct 19, 2021 Issue: Taxation/Internal Revenue Code
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$60,000 Oct 16, 2021 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 19, 2021 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 15, 2021 Issue: Taxation/Internal Revenue Code
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$80,000 Apr 19, 2021 Issue: Taxation/Internal Revenue Code
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$60,000 Apr 13, 2021 Issue: Taxation/Internal Revenue Code
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$80,000 Jan 19, 2021 Issue: Taxation/Internal Revenue Code
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$60,000 Jan 16, 2021 Issue: Taxation/Internal Revenue Code
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$80,000 Oct 20, 2020 Issue: Taxation/Internal Revenue Code
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$60,000 Oct 19, 2020 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 18, 2020 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 16, 2020 Issue: Taxation/Internal Revenue Code
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$12,000 May 05, 2020 Issue: Energy/Nuclear Environment/Superfund
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$60,000 Apr 20, 2020 Issue: Taxation/Internal Revenue Code
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$80,000 Apr 16, 2020 Issue: Taxation/Internal Revenue Code
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$12,000 Feb 18, 2020 Issue: Environment/Superfund Energy/Nuclear
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$80,000 Jan 21, 2020 Issue: Taxation/Internal Revenue Code
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$60,000 Jan 20, 2020 Issue: Taxation/Internal Revenue Code
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$12,000 Oct 21, 2019 Issue: Energy/Nuclear Environment/Superfund
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$60,000 Oct 20, 2019 Issue: Taxation/Internal Revenue Code
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$80,000 Oct 18, 2019 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 22, 2019 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 20, 2019 Issue: Taxation/Internal Revenue Code
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$5,000 Jul 19, 2019 Issue: Environment/Superfund Energy/Nuclear
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$60,000 Apr 21, 2019 Issue: Taxation/Internal Revenue Code
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$12,000 Apr 19, 2019 Issue: Energy/Nuclear Environment/Superfund
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$80,000 Apr 18, 2019 Issue: Taxation/Internal Revenue Code
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$20,000 Mar 19, 2019 Issue: Taxation/Internal Revenue Code
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$80,000 Jan 22, 2019 Issue: Taxation/Internal Revenue Code
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$60,000 Jan 21, 2019 Issue: Taxation/Internal Revenue Code
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$12,000 Jan 15, 2019 Issue: Environment/Superfund Energy/Nuclear
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$12,000 Oct 22, 2018 Issue: Energy/Nuclear Environment/Superfund
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$60,000 Oct 19, 2018 Issue: Taxation/Internal Revenue Code
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$80,000 Oct 18, 2018 Issue: Taxation/Internal Revenue Code
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$60,000 Jul 20, 2018 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 20, 2018 Issue: Taxation/Internal Revenue Code
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$12,000 Jul 18, 2018 Issue: Energy/Nuclear Environment/Superfund
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$10,000 Jul 16, 2018 Issue: Taxation/Internal Revenue Code
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$80,000 Apr 19, 2018 Issue: Taxation/Internal Revenue Code
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$60,000 Apr 18, 2018 Issue: Taxation/Internal Revenue Code
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$12,000 Apr 17, 2018 Issue: Environment/Superfund Energy/Nuclear
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$30,000 Apr 16, 2018 Issue: Taxation/Internal Revenue Code
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$80,000 Jan 22, 2018 Issue: Taxation/Internal Revenue Code
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$12,000 Jan 19, 2018 Issue: Energy/Nuclear
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$60,000 Jan 19, 2018 Issue: Taxation/Internal Revenue Code
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$20,000 Jan 12, 2018 Issue: Taxation/Internal Revenue Code
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$12,000 Oct 20, 2017 Issue: Energy/Nuclear
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$80,000 Oct 20, 2017 Issue: Taxation/Internal Revenue Code
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$60,000 Oct 18, 2017 Issue: Taxation/Internal Revenue Code
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$30,000 Oct 13, 2017 Issue: Taxation/Internal Revenue Code
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$80,000 Jul 20, 2017 Issue: Taxation/Internal Revenue Code
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$40,000 Jul 18, 2017 Issue: Taxation/Internal Revenue Code
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$12,000 Jul 14, 2017 Issue: Energy/Nuclear
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$10,000 Jul 12, 2017 Issue: Taxation/Internal Revenue Code
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$80,000 Apr 20, 2017 Issue: Taxation/Internal Revenue Code
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$12,000 Apr 18, 2017 Issue: Energy/Nuclear
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$30,000 Apr 14, 2017 Issue: Taxation/Internal Revenue Code
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$12,000 Jan 23, 2017 Issue: Energy/Nuclear
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$80,000 Jan 19, 2017 Issue: Taxation/Internal Revenue Code
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$12,000 Oct 27, 2016 Issue: Energy/Nuclear
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$80,000 Oct 20, 2016 Issue: Taxation/Internal Revenue Code
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$20,000 Jul 20, 2016 Issue: Energy/Nuclear
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$80,000 Jul 20, 2016 Issue: Taxation/Internal Revenue Code
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$30,000 Jul 14, 2016 Issue: Taxation/Internal Revenue Code
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$20,000 Apr 22, 2016 Issue: Energy/Nuclear
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$80,000 Apr 20, 2016 Issue: Taxation/Internal Revenue Code
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$10,000 Apr 15, 2016 Issue: Taxation/Internal Revenue Code
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$20,000 Jan 20, 2016 Issue: Energy/Nuclear
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$80,000 Jan 20, 2016 Issue: Taxation/Internal Revenue Code
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$30,000 Jan 14, 2016 Issue: Taxation/Internal Revenue Code
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$20,000 Nov 17, 2015 Issue: Energy/Nuclear
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$80,000 Oct 20, 2015 Issue: Taxation/Internal Revenue Code
Former government officials who have lobbied for WLK
WLK Estimated quarterly lobbying spending
WLK Revenue by Segment or Geography
By Segment
By Geography
WLK Income Statement
WLK Balance Sheet
WLK Cash Flow
U.S. Patents
New WLK patent grants
Government Contracts
Federal grants, loans, and purchases
Government Contracts
Estimated quarterly amount awarded to WLK from public contracts
WLK News
Recent insights relating to WLK
CNBC Recommendations
Recent picks made for WLK stock on CNBC
Top ETF Holders
ETFs with the largest estimated holdings in WLK
WLK Analyst Ratings
WLK Stock Forecasts
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- ... Highest Price Target
- ... Median Price Target
- ... Lowest Price Target
WLK Analyst Forecasts
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Frequently Asked Questions
- Is $WLK stock a Buy, Sell, or Hold?
- What is the price target for $WLK stock?
* Analyst consensus is not financial advice. Please see our data disclaimers .
WLK Top Shareholders
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Shareholder
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Shares Held
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Frequently Asked Questions
- Who owns $WLK stock?
- Who owns the most shares of $WLK stock?
- What funds own $WLK stock?
* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.
WLK Stock Smart Score
The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.
The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case
See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.
Example:
Bulls Say:
The Bulls Say summary highlights positive aspects of the stock.
Bears Say:
The Bears Say summary points out potential risks and negative aspects of the stock.
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About WLK
Westlake is a forward-integrated commodity chemicals firm based in Houston. It began as a single low-density polyethylene plant and expanded its capabilities to include ethylene, vinyl chloride monomers, and polyvinyl chloride over the next two decades. The acquisition of Axiall in 2016 made it a North American leader in chlor-alkali and PVC. Today, Westlake has two defined segments: performance and essential materials, and housing and infrastructure products. The HIP segment began operating in 2022 following a series of acquisitions in the building products space. The firm aims to maximize the value of its chemical production by integrating with the HIP segment, realizing the higher margins of finished commercial goods.
- Address Houston, TX
- Market Cap 8.5 billion
- Employees 14,600
- Industrial Classification Industrial Organic Chemicals
Westlake Corporation (WLK) Historical Stock Prices
Westlake Corporation (WLK) closed at $66.76 on September 24, 2026. Over the past year its adjusted close ranged from $54.90 to $121.78. Daily prices go back to January 2, 2014, 3,201 trading days in all.
- 1 month-10.75%
- 3 months-12.16%
- Year to date-8.05%
- 1 year-13.08%
- 3 years-42.10%
- 5 years-16.99%
- Max+33.87%
See every congressional and insider trade on the WLK price chart
Quiver Premium charts WLK's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.
Upgrade to Premium| Date | Open | High | Low | Close | Adj. Close | Volume |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | 68.40 | 68.56 | 66.72 | 66.76 | 66.76 | 585,327 |
| Sep 23, 2026 | 68.97 | 69.39 | 68.34 | 68.42 | 68.42 | 504,874 |
| Sep 22, 2026 | 67.98 | 70.30 | 67.84 | 68.80 | 68.80 | 694,650 |
| Sep 21, 2026 | 69.40 | 69.42 | 67.74 | 67.77 | 67.77 | 576,338 |
| Sep 18, 2026 | 70.03 | 70.07 | 68.73 | 69.07 | 69.07 | 721,354 |
| Sep 17, 2026 | 71.26 | 71.62 | 69.83 | 70.57 | 70.57 | 485,066 |
| Sep 16, 2026 | 69.81 | 71.63 | 69.39 | 70.66 | 70.66 | 537,403 |
| Sep 15, 2026 | 68.84 | 70.18 | 68.55 | 70.02 | 70.02 | 864,510 |
| Sep 14, 2026 | 71.05 | 72.48 | 68.63 | 68.96 | 68.96 | 976,506 |
| Sep 11, 2026 | 71.94 | 72.50 | 70.44 | 70.81 | 70.81 | 533,798 |
| Sep 10, 2026 | 71.87 | 73.75 | 70.69 | 71.62 | 71.62 | 891,887 |
| Sep 9, 2026 | 72.70 | 73.39 | 70.74 | 71.78 | 71.78 | 846,698 |
| Sep 8, 2026 | 75.56 | 76.14 | 74.63 | 74.75 | 74.75 | 561,116 |
| Sep 4, 2026 | 74.05 | 75.56 | 73.73 | 74.79 | 74.79 | 570,445 |
| Sep 3, 2026 | 77.19 | 77.44 | 74.51 | 74.60 | 74.60 | 594,987 |
| Sep 2, 2026 | 73.60 | 76.82 | 73.60 | 76.27 | 76.27 | 737,251 |
| Sep 1, 2026 | 75.02 | 75.59 | 73.44 | 74.23 | 74.23 | 577,002 |
| Aug 31, 2026 | 76.05 | 76.52 | 74.28 | 75.07 | 75.07 | 561,714 |
| Aug 28, 2026 | 74.72 | 76.02 | 73.92 | 75.71 | 75.71 | 750,754 |
| Aug 27, 2026 | 74.22 | 74.78 | 72.91 | 73.93 | 73.93 | 586,222 |
| Aug 26, 2026 | 74.47 | 74.93 | 72.90 | 74.61 | 74.61 | 819,336 |
| Aug 25, 2026$0.533 dividend | 75.52 | 75.67 | 74.60 | 74.80 | 74.80 | 536,472 |
| Aug 24, 2026 | 78.67 | 79.17 | 76.19 | 76.49 | 75.95 | 630,392 |
| Aug 21, 2026 | 79.13 | 80.09 | 78.81 | 78.93 | 78.37 | 746,214 |
| Aug 20, 2026 | 78.58 | 80.19 | 78.01 | 78.85 | 78.29 | 681,441 |
| Aug 19, 2026 | 78.39 | 80.58 | 77.66 | 79.45 | 78.89 | 772,162 |
| Aug 18, 2026 | 78.28 | 79.04 | 76.45 | 77.52 | 76.97 | 865,076 |
| Aug 17, 2026 | 79.05 | 79.50 | 77.31 | 78.21 | 77.66 | 943,229 |
| Aug 14, 2026 | 80.66 | 80.86 | 79.37 | 79.55 | 78.99 | 834,151 |
| Aug 13, 2026 | 78.49 | 80.35 | 78.00 | 80.19 | 79.62 | 617,876 |
| Aug 12, 2026 | 80.38 | 80.41 | 78.03 | 79.17 | 78.61 | 734,238 |
| Aug 11, 2026 | 78.82 | 80.98 | 78.82 | 80.84 | 80.27 | 1,023,728 |
| Aug 10, 2026 | 77.26 | 79.31 | 76.61 | 79.09 | 78.53 | 1,298,027 |
| Aug 7, 2026 | 76.95 | 79.15 | 76.33 | 77.47 | 76.92 | 918,774 |
| Aug 6, 2026 | 79.77 | 80.57 | 77.35 | 77.47 | 76.92 | 906,624 |
| Aug 5, 2026 | 79.42 | 79.77 | 75.48 | 78.74 | 78.18 | 1,786,782 |
| Aug 4, 2026 | 72.86 | 80.64 | 72.72 | 80.63 | 80.06 | 3,009,323 |
| Aug 3, 2026 | 70.16 | 71.00 | 68.70 | 69.89 | 69.40 | 2,219,119 |
| Jul 31, 2026 | 71.03 | 71.50 | 68.48 | 70.50 | 70.00 | 1,501,496 |
| Jul 30, 2026 | 72.52 | 72.89 | 70.98 | 71.72 | 71.21 | 1,377,600 |
| Jul 29, 2026 | 72.88 | 73.01 | 71.25 | 72.25 | 71.74 | 1,404,131 |
| Jul 28, 2026 | 73.17 | 74.32 | 71.89 | 72.16 | 71.65 | 894,855 |
| Jul 27, 2026 | 73.22 | 73.54 | 71.86 | 72.33 | 71.82 | 1,340,531 |
| Jul 24, 2026 | 75.10 | 75.10 | 73.44 | 73.82 | 73.30 | 1,198,656 |
| Jul 23, 2026 | 78.17 | 78.33 | 74.70 | 75.23 | 74.70 | 772,138 |
| Jul 22, 2026 | 76.98 | 77.99 | 76.14 | 77.06 | 76.52 | 895,412 |
| Jul 21, 2026 | 77.26 | 77.35 | 75.34 | 76.22 | 75.68 | 908,270 |
| Jul 20, 2026 | 77.08 | 77.69 | 76.00 | 76.91 | 76.37 | 542,075 |
| Jul 17, 2026 | 78.20 | 79.84 | 77.08 | 77.63 | 77.08 | 591,959 |
| Jul 16, 2026 | 76.47 | 78.17 | 76.44 | 77.08 | 76.53 | 549,860 |
| Jul 15, 2026 | 76.50 | 77.61 | 76.07 | 77.05 | 76.50 | 589,112 |
| Jul 14, 2026 | 77.10 | 78.00 | 75.28 | 77.04 | 76.50 | 759,650 |
| Jul 13, 2026 | 76.71 | 78.07 | 75.29 | 76.07 | 75.53 | 941,927 |
| Jul 10, 2026 | 75.30 | 75.76 | 74.67 | 75.49 | 74.96 | 774,141 |
| Jul 9, 2026 | 75.22 | 76.26 | 74.28 | 74.48 | 73.95 | 877,961 |
| Jul 8, 2026 | 77.72 | 78.60 | 75.75 | 75.80 | 75.26 | 1,401,474 |
| Jul 7, 2026 | 75.04 | 77.13 | 74.82 | 76.27 | 75.73 | 1,836,081 |
| Jul 6, 2026 | 73.95 | 75.27 | 72.71 | 74.80 | 74.27 | 1,366,672 |
| Jul 2, 2026 | 72.88 | 75.13 | 72.88 | 74.77 | 74.24 | 1,381,772 |
| Jul 1, 2026 | 71.86 | 74.26 | 71.23 | 72.82 | 72.31 | 1,844,472 |
| Jun 30, 2026 | 74.68 | 75.20 | 72.71 | 73.00 | 72.48 | 1,039,691 |
| Jun 29, 2026 | 76.44 | 76.53 | 73.73 | 74.72 | 74.19 | 1,322,216 |
| Jun 26, 2026 | 76.00 | 77.18 | 75.58 | 76.62 | 76.08 | 1,570,093 |
| Jun 25, 2026 | 75.25 | 76.81 | 74.66 | 76.54 | 76.00 | 1,885,093 |
| Jun 24, 2026 | 75.74 | 76.67 | 73.77 | 75.87 | 75.33 | 2,043,335 |
| Jun 23, 2026 | 77.37 | 78.32 | 76.26 | 76.48 | 75.94 | 988,310 |
| Jun 22, 2026 | 79.29 | 79.69 | 77.27 | 77.95 | 77.40 | 1,025,440 |
| Jun 18, 2026 | 82.94 | 83.08 | 80.09 | 80.28 | 79.71 | 1,731,737 |
| Jun 17, 2026 | 83.67 | 87.27 | 83.23 | 83.48 | 82.89 | 736,444 |
| Jun 16, 2026 | 86.89 | 87.66 | 83.92 | 84.33 | 83.73 | 1,121,500 |
| Jun 15, 2026 | 87.65 | 88.76 | 86.16 | 87.45 | 86.83 | 620,688 |
| Jun 12, 2026 | 87.45 | 89.47 | 86.53 | 88.50 | 87.87 | 770,813 |
| Jun 11, 2026 | 88.43 | 89.23 | 86.43 | 87.27 | 86.65 | 531,733 |
| Jun 10, 2026 | 86.50 | 88.98 | 85.81 | 87.12 | 86.50 | 1,179,550 |
| Jun 9, 2026 | 85.63 | 86.92 | 84.38 | 86.11 | 85.50 | 1,184,300 |
| Jun 8, 2026 | 84.38 | 85.78 | 83.75 | 85.26 | 84.66 | 914,802 |
| Jun 5, 2026 | 84.29 | 85.34 | 82.98 | 84.64 | 84.04 | 826,296 |
| Jun 4, 2026 | 86.29 | 87.04 | 84.37 | 85.25 | 84.65 | 781,633 |
| Jun 3, 2026 | 86.46 | 87.90 | 85.75 | 86.39 | 85.78 | 867,250 |
| Jun 2, 2026 | 86.31 | 87.93 | 85.89 | 86.83 | 86.22 | 722,187 |
| Jun 1, 2026 | 87.50 | 88.99 | 86.34 | 86.38 | 85.77 | 916,664 |
| May 29, 2026 | 87.50 | 87.81 | 86.08 | 86.83 | 86.22 | 916,398 |
| May 28, 2026 | 87.45 | 88.70 | 87.14 | 87.67 | 87.05 | 857,548 |
| May 27, 2026$0.53 dividend | 86.91 | 89.37 | 86.39 | 87.81 | 87.19 | 1,072,530 |
| May 26, 2026 | 88.77 | 89.39 | 88.06 | 88.77 | 87.61 | 693,367 |
| May 22, 2026 | 88.76 | 89.98 | 87.14 | 88.60 | 87.44 | 829,666 |
| May 21, 2026 | 88.73 | 89.13 | 86.54 | 88.10 | 86.95 | 873,287 |
| May 20, 2026 | 88.47 | 89.49 | 87.75 | 88.50 | 87.35 | 926,367 |
| May 19, 2026 | 91.23 | 91.23 | 88.15 | 88.66 | 87.50 | 1,098,982 |
| May 18, 2026 | 90.22 | 93.18 | 88.56 | 91.46 | 90.27 | 1,473,497 |
| May 15, 2026 | 91.19 | 91.53 | 88.33 | 88.59 | 87.44 | 1,870,441 |
| May 14, 2026 | 93.65 | 94.39 | 91.50 | 91.53 | 90.34 | 1,000,368 |
| May 13, 2026 | 97.34 | 98.30 | 92.22 | 92.27 | 91.07 | 1,364,456 |
| May 12, 2026 | 99.02 | 99.51 | 96.44 | 96.54 | 95.28 | 1,018,518 |
| May 11, 2026 | 94.88 | 98.95 | 93.86 | 97.56 | 96.29 | 1,499,188 |
| May 8, 2026 | 97.88 | 98.47 | 93.42 | 93.85 | 92.63 | 1,404,939 |
| May 7, 2026 | 98.95 | 100.05 | 97.10 | 97.38 | 96.11 | 1,413,971 |
| May 6, 2026 | 99.47 | 102.57 | 98.66 | 99.92 | 98.62 | 2,170,984 |
| May 5, 2026 | 102.70 | 106.93 | 101.23 | 104.78 | 103.41 | 1,799,940 |
| May 4, 2026 | 115.52 | 116.26 | 112.40 | 114.87 | 113.37 | 1,204,703 |
| May 1, 2026 | 115.75 | 117.05 | 114.78 | 114.99 | 113.49 | 1,162,016 |
| Apr 30, 2026 | 111.49 | 115.71 | 111.19 | 115.28 | 113.78 | 940,622 |
| Apr 29, 2026 | 112.09 | 112.48 | 110.48 | 111.41 | 109.96 | 929,972 |
| Apr 28, 2026 | 112.41 | 112.86 | 109.14 | 110.35 | 108.91 | 692,833 |
| Apr 27, 2026 | 111.91 | 113.66 | 109.42 | 111.19 | 109.74 | 794,561 |
| Apr 24, 2026 | 112.00 | 113.49 | 109.68 | 110.64 | 109.20 | 1,052,389 |
| Apr 23, 2026 | 114.35 | 115.60 | 110.58 | 112.25 | 110.79 | 982,944 |
| Apr 22, 2026 | 117.47 | 117.66 | 113.50 | 114.28 | 112.79 | 1,087,671 |
| Apr 21, 2026 | 112.93 | 115.88 | 112.15 | 115.65 | 114.14 | 854,582 |
| Apr 20, 2026 | 111.72 | 115.60 | 111.72 | 113.88 | 112.40 | 885,685 |
| Apr 17, 2026 | 114.00 | 114.51 | 110.79 | 112.61 | 111.14 | 1,491,705 |
| Apr 16, 2026 | 116.73 | 119.23 | 116.41 | 119.00 | 117.45 | 1,084,441 |
| Apr 15, 2026 | 118.13 | 118.41 | 114.42 | 115.25 | 113.75 | 951,543 |
| Apr 14, 2026 | 119.49 | 119.97 | 115.01 | 117.93 | 116.39 | 935,330 |
| Apr 13, 2026 | 120.00 | 121.94 | 118.50 | 120.15 | 118.58 | 870,986 |
| Apr 10, 2026 | 118.97 | 120.95 | 117.50 | 118.37 | 116.83 | 926,152 |
| Apr 9, 2026 | 120.99 | 122.53 | 116.26 | 117.21 | 115.68 | 1,318,732 |
| Apr 8, 2026 | 114.25 | 120.88 | 113.33 | 120.81 | 119.24 | 1,529,625 |
| Apr 7, 2026 | 120.52 | 124.23 | 119.44 | 123.39 | 121.78 | 1,026,058 |
| Apr 6, 2026 | 117.61 | 119.60 | 116.36 | 119.53 | 117.97 | 1,044,558 |
| Apr 2, 2026 | 116.60 | 120.00 | 114.49 | 119.40 | 117.84 | 934,032 |
| Apr 1, 2026 | 117.00 | 119.35 | 115.43 | 116.58 | 115.06 | 1,061,368 |
| Mar 31, 2026 | 116.75 | 119.69 | 114.47 | 116.82 | 115.30 | 1,229,574 |
| Mar 30, 2026 | 115.11 | 117.17 | 113.59 | 116.00 | 114.49 | 2,027,797 |
| Mar 27, 2026 | 111.80 | 114.44 | 111.80 | 113.29 | 111.81 | 1,083,889 |
| Mar 26, 2026 | 113.63 | 115.94 | 112.56 | 113.46 | 111.98 | 1,035,069 |
| Mar 25, 2026 | 114.41 | 116.19 | 113.23 | 114.22 | 112.73 | 1,119,548 |
| Mar 24, 2026 | 107.94 | 115.13 | 107.07 | 114.09 | 112.60 | 1,078,008 |
| Mar 23, 2026 | 107.79 | 111.47 | 107.00 | 108.50 | 107.09 | 1,549,760 |
| Mar 20, 2026 | 111.80 | 112.41 | 105.48 | 106.12 | 104.74 | 1,522,206 |
| Mar 19, 2026 | 110.89 | 112.67 | 109.40 | 111.23 | 109.78 | 948,700 |
| Mar 18, 2026 | 113.12 | 115.78 | 112.56 | 112.60 | 111.13 | 1,322,815 |
| Mar 17, 2026 | 111.25 | 114.97 | 110.18 | 111.44 | 109.99 | 1,213,539 |
| Mar 16, 2026 | 111.25 | 113.10 | 110.00 | 110.79 | 109.35 | 1,324,204 |
| Mar 13, 2026 | 115.00 | 116.46 | 111.50 | 112.04 | 110.58 | 1,606,816 |
| Mar 12, 2026 | 107.24 | 114.65 | 107.24 | 114.22 | 112.73 | 1,622,661 |
| Mar 11, 2026 | 104.75 | 107.68 | 103.54 | 107.03 | 105.64 | 1,051,542 |
| Mar 10, 2026 | 104.81 | 107.74 | 103.86 | 105.04 | 103.67 | 927,621 |
| Mar 9, 2026 | 102.18 | 107.45 | 100.54 | 106.34 | 104.95 | 1,215,568 |
| Mar 6, 2026 | 104.00 | 106.09 | 99.34 | 103.19 | 101.84 | 1,486,792 |
| Mar 5, 2026 | 107.50 | 112.21 | 104.84 | 105.51 | 104.14 | 1,999,633 |
| Mar 4, 2026 | 105.31 | 106.39 | 101.67 | 106.13 | 104.75 | 1,032,057 |
| Mar 3, 2026$0.53 dividend | 103.49 | 104.86 | 99.60 | 102.92 | 101.58 | 1,569,437 |
| Mar 2, 2026 | 103.32 | 108.88 | 102.69 | 106.79 | 104.86 | 1,758,919 |
| Feb 27, 2026 | 98.20 | 106.00 | 97.89 | 105.38 | 103.47 | 1,287,594 |
| Feb 26, 2026 | 102.57 | 103.67 | 99.11 | 100.34 | 98.53 | 899,228 |
| Feb 25, 2026 | 106.36 | 106.66 | 101.56 | 103.09 | 101.22 | 1,689,360 |
| Feb 24, 2026 | 102.72 | 107.99 | 97.83 | 104.17 | 102.29 | 2,388,247 |
| Feb 23, 2026 | 93.84 | 95.23 | 91.76 | 93.02 | 91.34 | 1,303,280 |
| Feb 20, 2026 | 94.10 | 96.26 | 92.69 | 94.40 | 92.69 | 1,050,634 |
| Feb 19, 2026 | 98.54 | 100.00 | 93.10 | 95.06 | 93.34 | 1,528,666 |
| Feb 18, 2026 | 98.95 | 100.77 | 97.52 | 99.53 | 97.73 | 1,006,156 |
| Feb 17, 2026 | 99.58 | 101.30 | 96.47 | 97.82 | 96.05 | 1,385,834 |
| Feb 13, 2026 | 98.50 | 101.35 | 97.31 | 100.08 | 98.27 | 820,900 |
| Feb 12, 2026 | 100.69 | 103.00 | 96.67 | 98.73 | 96.94 | 1,183,580 |
| Feb 11, 2026 | 98.56 | 102.98 | 98.56 | 100.36 | 98.55 | 1,850,467 |
| Feb 10, 2026 | 97.03 | 100.24 | 96.34 | 99.12 | 97.33 | 1,218,654 |
| Feb 9, 2026 | 94.10 | 96.60 | 93.55 | 96.48 | 94.73 | 984,301 |
| Feb 6, 2026 | 94.09 | 96.31 | 93.18 | 95.93 | 94.19 | 1,094,709 |
| Feb 5, 2026 | 94.17 | 95.25 | 90.32 | 92.17 | 90.50 | 1,574,263 |
| Feb 4, 2026 | 93.05 | 98.06 | 93.05 | 96.00 | 94.26 | 2,645,719 |
| Feb 3, 2026 | 84.53 | 91.59 | 84.52 | 90.90 | 89.26 | 2,029,464 |
| Feb 2, 2026 | 79.89 | 84.27 | 78.61 | 83.77 | 82.25 | 1,571,912 |
| Jan 30, 2026 | 80.58 | 82.05 | 77.58 | 79.32 | 77.89 | 2,094,834 |
| Jan 29, 2026 | 82.10 | 82.69 | 78.44 | 81.56 | 80.08 | 1,370,200 |
| Jan 28, 2026 | 82.49 | 83.00 | 80.99 | 81.88 | 80.40 | 1,180,003 |
| Jan 27, 2026 | 83.52 | 84.55 | 81.65 | 81.68 | 80.20 | 1,252,107 |
| Jan 26, 2026 | 85.59 | 85.95 | 83.49 | 84.16 | 82.64 | 1,403,092 |
| Jan 23, 2026 | 86.90 | 87.39 | 85.08 | 85.22 | 83.68 | 1,279,468 |
| Jan 22, 2026 | 87.09 | 89.85 | 86.20 | 86.75 | 85.18 | 987,583 |
| Jan 21, 2026 | 84.99 | 87.97 | 84.32 | 86.68 | 85.11 | 1,826,427 |
| Jan 20, 2026 | 86.30 | 86.30 | 83.30 | 83.92 | 82.40 | 1,107,939 |
| Jan 16, 2026 | 86.63 | 88.88 | 86.63 | 87.87 | 86.28 | 904,946 |
| Jan 15, 2026 | 90.82 | 91.08 | 86.27 | 88.30 | 86.70 | 2,111,433 |
| Jan 14, 2026 | 85.63 | 90.19 | 85.06 | 89.85 | 88.22 | 1,600,484 |
| Jan 13, 2026 | 85.72 | 86.48 | 84.48 | 85.00 | 83.46 | 1,179,733 |
| Jan 12, 2026 | 83.00 | 85.13 | 82.63 | 84.94 | 83.40 | 2,078,892 |
| Jan 9, 2026 | 79.90 | 83.30 | 78.42 | 83.20 | 81.69 | 1,622,700 |
| Jan 8, 2026 | 73.86 | 81.55 | 73.50 | 79.53 | 78.09 | 1,759,316 |
| Jan 7, 2026 | 77.86 | 78.63 | 73.95 | 74.47 | 73.12 | 1,640,436 |
| Jan 6, 2026 | 74.90 | 78.33 | 74.39 | 77.43 | 76.03 | 1,358,350 |
| Jan 5, 2026 | 73.90 | 77.33 | 73.90 | 74.98 | 73.62 | 1,005,445 |
| Jan 2, 2026 | 74.57 | 75.17 | 72.69 | 74.15 | 72.81 | 919,751 |
| Dec 31, 2025 | 74.81 | 75.22 | 73.50 | 73.94 | 72.60 | 839,226 |
| Dec 30, 2025 | 74.42 | 75.44 | 74.29 | 74.88 | 73.53 | 944,983 |
| Dec 29, 2025 | 73.01 | 74.68 | 72.95 | 74.38 | 73.03 | 1,186,678 |
| Dec 26, 2025 | 73.63 | 74.01 | 73.18 | 73.75 | 72.42 | 704,445 |
| Dec 24, 2025 | 73.61 | 74.12 | 72.84 | 73.68 | 72.35 | 313,866 |
| Dec 23, 2025 | 74.04 | 74.33 | 71.87 | 73.29 | 71.96 | 1,328,051 |
| Dec 22, 2025 | 72.57 | 74.60 | 72.26 | 74.39 | 73.04 | 928,142 |
| Dec 19, 2025 | 75.44 | 75.44 | 71.79 | 72.49 | 71.18 | 1,786,703 |
| Dec 18, 2025 | 74.40 | 75.66 | 73.34 | 74.78 | 73.43 | 1,514,520 |
| Dec 17, 2025 | 73.20 | 75.44 | 73.08 | 73.98 | 72.64 | 1,921,705 |
| Dec 16, 2025 | 73.00 | 74.42 | 72.06 | 73.34 | 72.01 | 2,460,019 |
| Dec 15, 2025 | 76.02 | 76.33 | 71.27 | 73.63 | 72.30 | 3,755,898 |
| Dec 12, 2025 | 75.28 | 75.40 | 73.61 | 74.40 | 73.05 | 1,944,497 |
| Dec 11, 2025 | 72.61 | 75.09 | 72.23 | 74.92 | 73.56 | 1,960,492 |
| Dec 10, 2025 | 68.67 | 72.85 | 68.26 | 72.73 | 71.41 | 1,752,653 |
| Dec 9, 2025 | 68.69 | 71.03 | 68.42 | 68.44 | 67.20 | 1,464,185 |
| Dec 8, 2025 | 67.80 | 69.13 | 66.92 | 67.62 | 66.40 | 1,580,078 |
| Dec 5, 2025 | 68.24 | 70.34 | 67.53 | 68.02 | 66.79 | 1,488,022 |
| Dec 4, 2025 | 68.66 | 69.17 | 67.28 | 67.97 | 66.74 | 2,100,790 |
| Dec 3, 2025 | 66.70 | 70.31 | 66.45 | 68.71 | 67.47 | 1,538,510 |
| Dec 2, 2025 | 67.52 | 67.72 | 66.08 | 66.60 | 65.39 | 1,249,305 |
| Dec 1, 2025 | 65.50 | 70.06 | 65.50 | 67.59 | 66.37 | 2,362,303 |
| Nov 28, 2025 | 64.71 | 66.97 | 64.66 | 66.81 | 65.60 | 1,050,631 |
| Nov 26, 2025 | 62.84 | 65.22 | 62.77 | 64.72 | 63.55 | 1,524,243 |
| Nov 25, 2025$0.53 dividend | 60.88 | 63.55 | 60.70 | 62.87 | 61.73 | 2,194,286 |
| Nov 24, 2025 | 58.86 | 61.04 | 58.62 | 60.62 | 59.03 | 3,632,069 |
| Nov 21, 2025 | 56.90 | 60.92 | 56.83 | 59.03 | 57.48 | 1,929,088 |
| Nov 20, 2025 | 57.88 | 59.37 | 56.33 | 56.38 | 54.90 | 1,914,968 |
| Nov 19, 2025 | 58.34 | 58.84 | 56.85 | 57.50 | 55.99 | 1,869,651 |
| Nov 18, 2025 | 59.05 | 59.68 | 57.43 | 58.65 | 57.11 | 1,410,319 |
| Nov 17, 2025 | 62.56 | 62.77 | 58.58 | 59.05 | 57.50 | 1,037,767 |
| Nov 14, 2025 | 64.26 | 64.26 | 62.38 | 62.56 | 60.91 | 858,458 |
| Nov 13, 2025 | 62.69 | 65.68 | 62.69 | 64.91 | 63.20 | 1,985,722 |
| Nov 12, 2025 | 63.45 | 64.58 | 62.30 | 62.81 | 61.16 | 1,189,170 |
| Nov 11, 2025 | 65.81 | 66.28 | 62.94 | 63.45 | 61.78 | 1,418,831 |
| Nov 10, 2025 | 65.85 | 65.85 | 64.21 | 65.18 | 63.47 | 1,203,104 |
| Nov 7, 2025 | 64.00 | 65.53 | 63.88 | 64.95 | 63.24 | 875,400 |
| Nov 6, 2025 | 65.92 | 66.30 | 64.33 | 64.46 | 62.77 | 1,114,723 |
| Nov 5, 2025 | 66.54 | 67.50 | 65.38 | 65.86 | 64.13 | 931,887 |
| Nov 4, 2025 | 67.46 | 68.19 | 66.76 | 66.78 | 65.02 | 874,025 |
| Nov 3, 2025 | 69.00 | 70.62 | 67.87 | 68.28 | 66.48 | 1,565,976 |
| Oct 31, 2025 | 67.91 | 69.52 | 67.33 | 68.81 | 67.00 | 1,949,490 |
| Oct 30, 2025 | 69.52 | 72.82 | 65.77 | 68.29 | 66.49 | 3,359,807 |
| Oct 29, 2025 | 76.64 | 76.64 | 73.12 | 73.47 | 71.54 | 1,992,741 |
| Oct 28, 2025 | 77.84 | 78.87 | 75.80 | 76.44 | 74.43 | 1,167,076 |
| Oct 27, 2025 | 79.57 | 80.04 | 79.20 | 79.73 | 77.63 | 598,746 |
| Oct 24, 2025 | 79.65 | 80.28 | 78.90 | 79.22 | 77.14 | 891,770 |
| Oct 23, 2025 | 78.13 | 79.24 | 76.60 | 78.79 | 76.72 | 1,253,144 |
| Oct 22, 2025 | 76.52 | 77.69 | 75.08 | 75.35 | 73.37 | 1,176,808 |
| Oct 21, 2025 | 75.34 | 77.04 | 74.58 | 76.90 | 74.88 | 1,086,159 |
| Oct 20, 2025 | 75.83 | 76.20 | 74.91 | 75.39 | 73.41 | 664,781 |
| Oct 17, 2025 | 76.00 | 76.20 | 74.70 | 75.25 | 73.27 | 989,482 |
| Oct 16, 2025 | 77.62 | 77.89 | 75.36 | 76.05 | 74.05 | 909,069 |
| Oct 15, 2025 | 78.23 | 79.08 | 77.09 | 77.33 | 75.30 | 1,359,222 |
| Oct 14, 2025 | 75.10 | 78.04 | 74.29 | 77.79 | 75.74 | 1,009,693 |
| Oct 13, 2025 | 76.71 | 78.53 | 76.30 | 77.73 | 75.69 | 872,605 |
| Oct 10, 2025 | 81.20 | 81.70 | 75.48 | 75.64 | 73.65 | 1,402,567 |
| Oct 9, 2025 | 82.50 | 83.00 | 80.08 | 80.72 | 78.60 | 1,264,135 |
| Oct 8, 2025 | 80.63 | 82.69 | 79.24 | 82.37 | 80.20 | 1,126,897 |
| Oct 7, 2025 | 82.00 | 83.48 | 79.50 | 80.36 | 78.25 | 1,628,233 |
| Oct 6, 2025 | 83.26 | 83.34 | 81.25 | 81.70 | 79.55 | 899,537 |
| Oct 3, 2025 | 79.95 | 82.77 | 78.79 | 82.31 | 80.14 | 936,366 |
| Oct 2, 2025 | 76.70 | 80.26 | 76.68 | 79.87 | 77.77 | 1,376,591 |
| Oct 1, 2025 | 76.52 | 77.53 | 75.09 | 76.76 | 74.74 | 1,180,658 |
| Sep 30, 2025 | 76.37 | 77.23 | 75.03 | 77.06 | 75.03 | 936,608 |
| Sep 29, 2025 | 78.50 | 78.89 | 76.53 | 77.02 | 75.00 | 599,004 |
| Sep 26, 2025 | 76.58 | 78.37 | 76.16 | 77.65 | 75.61 | 1,077,018 |
| Sep 25, 2025 | 77.87 | 78.11 | 75.86 | 76.00 | 74.00 | 1,061,435 |
| Sep 24, 2025 | 79.71 | 81.03 | 78.81 | 78.88 | 76.81 | 1,022,019 |
Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.
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Westlake Corporation Executive Compensation
We estimate that -- received a compensation of -- in --, making them the highest paid executive at WLK, per a recent SEC DEF 14A filing.
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Stock/Option Awards
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Total Compensation
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