Westlake Corporation (WLK) Stock Price & Analysis
Westlake Corporation (WLK) closed at USD 66.01 on Thursday, October 29, 2026, up 0.27% on the day. The US market is currently closed (after-hours); this is not a live price.
The prior close was USD 65.83; the Oct 29, 2026 session ranged USD 65.01–67.79 on volume of 905,877 shares. Market capitalization is $8.44B, with a 52-week range of USD 56.33–124.23 (NYQ). Source: Nexqual, retrieved October 29, 2026 at 23:05 UTC.
Also available as compact Markdown for AI agents: nexqual.com/WLK.md
Key facts (WLK)
- Analysts: Hold (mean 2.65 on a 1–5 scale) (17 analysts), mean target USD 79.18 (range 65–114).
- Next earnings: 2026-11-04, EPS estimate USD 0.5, revenue estimate $2.94B. All companies reporting that day: https://nexqual.com/earnings/2026-11-04
- Short interest: 13.08% of float (as of 2026-10-15), 4.7 days to cover.
Analysts (WLK)
Consensus Hold (mean 2.65 on a 1–5 scale), 17 analysts; mean target USD 79.18 (low 65, high 114).
Rating changes, last 120 days:
| Date | Firm | Action | Rating | Price target |
|---|---|---|---|---|
| 2026-10-16 | JP Morgan | Target lowered | Neutral | $80 → $65 |
| 2026-10-13 | Barclays | Initiated | Underweight | $66 |
| 2026-10-13 | RBC Capital | Target lowered | Outperform | $95 → $74 |
| 2026-10-05 | UBS | Target lowered | Buy | $98 → $86 |
| 2026-10-01 | Truist Securities | Target lowered | Buy | $104 → $90 |
| 2026-10-01 | Wells Fargo | Target lowered | Equal-Weight | $89 → $68 |
| 2026-09-30 | Citigroup | Target lowered | Neutral | $85 → $67 |
| 2026-09-25 | UBS | Target lowered | Buy | $106 → $98 |
| 2026-09-11 | Keybanc | Initiated | Overweight | $92 |
| 2026-09-09 | BMO Capital | Downgrade | Outperform → Market Perform | $96 → $82 |
| 2026-08-06 | RBC Capital | Target raised | Outperform | $89 → $95 |
| 2026-08-05 | Wells Fargo | Target lowered | Equal-Weight | $110 → $89 |
Short interest (WLK)
4,259,386 shares sold short, 13.08% of the float, as of Oct 15, 2026 (exchange short-interest report, published about twice a month). Prior report (Sep 15, 2026): 5,309,547 shares (-19.8%). Days to cover: 4.7 (short shares ÷ average daily volume).
WLK earnings history and stock reaction
| Results filed | Quarter | EPS | Consensus | Surprise | Stock reaction |
|---|---|---|---|---|---|
| — | Quarter ended Jun 30, 2026 | $2.01 | $1.89 | Beat +6.3% | — |
| — | Quarter ended Mar 31, 2026 | −$0.77 | −$0.24 | Miss −220.8% | — |
| — | Quarter ended Dec 31, 2025 | −$0.25 | −$1.47 | Beat +83.0% | — |
| — | Quarter ended Sep 30, 2025 | −$0.29 | $0.23 | Miss −$0.52 | — |
EPS as reported against the analyst consensus before the release; surprise uses the cent-rounded figures shown (in dollars when EPS and consensus have opposite signs). Stock reaction = close before the results to close after (the first close following a release after the bell or before the open).
WLK recent SEC filings (last 120 days)
| Filed | Form | What it says |
|---|---|---|
| Sep 29, 2026 | 8-K | Exit or restructuring costs (layoffs, closures); Regulation FD disclosure “On September 24, 2026, Westlake Corporation (the "Company") approved a plan to cease operation of its polyvinyl chloride ("PVC") production plant located in Cologne, Germany, which has an annual production capacity of approximately 165,000 metric tons of PVC per year. The Company plans to continue supplying customers with PVC from its other chlorovinyl facilities, including the recently acquired production site located in Wilhelmshaven, Germany. The reallocation of volumes to the Company's other manufacturing…” |
| Aug 31, 2026 | 8-K | Director or executive officer change, or pay arrangement “On August 31, 2026, Westlake Corporation (the "Company") announced the appointment of Tommy E. Darby, age 45, to the position of Vice President, Chief Accounting Officer of the Company, effective immediately. In connection with his appointment as Vice President, Chief Accounting Officer of the Company, Mr. Darby was also appointed as Vice President, Chief Accounting Officer of Westlake Chemical Partners GP LLC, a wholly-owned subsidiary of the Company and the general partner of Westlake Chemical Partners LP,…” |
| Aug 5, 2026 | 10-Q | Quarterly report · period ended Jun 30, 2026 |
| Aug 4, 2026 | 8-K | Quarterly results; Regulation FD disclosure |
| Jul 29, 2026 | 8-K | Other material event “As previously reported in Westlake Corporation's (the "Company" or "Westlake") periodic filings under the Securities Exchange Act of 1934, as amended, the Company and other ethylene consumers have been named as defendants in a series of fourteen civil lawsuits (collectively, the "Ethylene Antitrust Litigation") in the Netherlands and Germany. On July 29, 2026, the District Court of Amsterdam dismissed the plaintiffs' claims against the Company and the other defendants in (i) the lawsuit filed by Shell Chemical…” |
Source: SEC EDGAR. Quotes are the opening words of each item as filed; each form links to the filing. Insider Form 4 filings are listed in the insider sections.
WLK analyst estimates and revisions
| Period | EPS estimate | 90 days ago | Change | Revenue estimate | Analysts |
|---|---|---|---|---|---|
| Current quarter (ends Sep 2026) | $0.50 | $1.61 | -68.8% | $2.94B | 13 |
| Next quarter (ends Dec 2026) | $0.13 | $0.62 | -78.3% | $2.73B | 13 |
| Current fiscal year (ends Dec 2026) | $2.05 | $3.18 | -35.6% | $11.64B | 14 |
| Next fiscal year (ends Dec 2027) | $2.43 | $3.39 | -28.3% | $11.85B | 14 |
Key Statistics (as of October 29, 2026 at 23:05 UTC)
| Price | USD 66.01 |
|---|---|
| Change | ▲ 0.27% (up) |
| Previous Close | USD 65.83 |
| Open | USD 66.16 |
| Day Range | USD 65.01 – 67.79 |
| 52-Week Range | USD 56.33 – 124.23 |
| Volume | 905,877 shares |
| Market Cap | $8.44B |
| Exchange | NYQ |
Technical Analysis (WLK)
Nexqual's technical model rates WLK "NEUTRAL" based on 2 bullish and 3 bearish signals across 127 daily candles, as of October 29, 2026 at 23:05 UTC.
| Overall Signal | NEUTRAL |
|---|---|
| RSI (14) | 54.24 (neutral) |
| vs SMA50 | Below (USD 68.19) |
| MACD | -0.58 (negative) |
Analyst Ratings (WLK)
Wall Street analysts rate WLK "Hold" based on 17 analysts, with a mean price target of USD 79.18 (range USD 65–114), per Nexqual as of October 29, 2026 at 23:05 UTC.
| Consensus Rating | Hold |
|---|---|
| Analyst Count | 17 |
| Mean Target | USD 79.18 |
| High Target | USD 114 |
| Low Target | USD 65 |
| Buy / Hold / Sell | 6 / 10 / 1 |
Earnings (WLK)
| Next Earnings Date | 2026-11-04 |
|---|---|
| EPS Estimate | USD 0.5 |
| Revenue Estimate | $2.94B |
Recent Earnings History
| Quarter | Actual vs Estimate |
|---|---|
| 2026-06-30 | USD 2.01 vs est 1.89 ▲ beat |
| 2026-03-31 | USD -0.77 vs est -0.24 ▼ miss |
| 2025-12-31 | USD -0.25 vs est -1.47 ▲ beat |
| 2025-09-30 | USD -0.29 vs est 0.23 ▼ miss |
Source: Nexqual, October 29, 2026 at 23:05 UTC.
Financials & Fundamentals (WLK)
| Total Revenue | $11.29B |
|---|---|
| Revenue Growth (latest quarter, YoY) | +10.80% |
| Gross Margin | +10.22% |
| Operating Margin | +11.22% |
| Profit Margin | -10.94% |
| ROE | -11.91% |
| Debt / Equity | 0.64 |
| Current Ratio | 2.45 |
| Total Cash | $1.85B |
| Total Debt | $5.88B |
Source: Nexqual, October 29, 2026 at 23:05 UTC.
Ownership (WLK)
| Insider Ownership | +74.51% |
|---|---|
| Institutional Ownership | +31.61% |
| Shares Outstanding | 127.80M |
| Float | 33.21M |
| Short % of Float | +13.08% |
Source: Nexqual, October 29, 2026 at 23:05 UTC.
Leadership (WLK)
Westlake Corporation is led by Jean-Marc Gilson, President, CEO & Director, per Nexqual as of October 29, 2026 at 23:05 UTC.
| President, CEO & Director | Jean-Marc Gilson |
|---|---|
| Executive Chairman | Albert Yuan Chao |
| Senior Chairman | James Y. Chao |
| Senior VP & CFO | Jonathan H. Baksht |
| Vice President of Finance & Investor Relations | Jeffrey A. Holy |
Major Backers & Investors (WLK)
Notable institutional backers of Westlake Corporation include Capital Group, Price (T.Rowe) Associates Inc, Orbis Allan Gray Ltd, according to Nexqual as of October 29, 2026 at 23:05 UTC.
Active Investors
| Investor | Stake |
|---|---|
| Capital Group | 2.22% |
| Price (T.Rowe) Associates Inc | 1.73% |
| Orbis Allan Gray Ltd | 1.63% |
| Brandes Investment Partners L.P. | 1.23% |
| AQR Capital Management, LLC | 1.23% |
| T. Rowe Price | 0.89% |
Index Funds (Passive)
| Fund | Stake |
|---|---|
| BlackRock | 2.58% |
| Vanguard Group | 2.52% |
| Dimensional Fund Advisors | 1.61% |
| State Street | 1.14% |
Source: Nexqual, October 29, 2026 at 23:05 UTC.
From Westlake Corporation's Latest SEC 10-K Filing (filed 2026-02-26)
Key Strengths & Strategy (as disclosed to the SEC)
- Westlake Corporation is a vertically integrated global manufacturer and marketer of both housing and infrastructure products and performance and essential materials that are designed to enhance the lives of people every day.
- We are one of the largest producers of chlor-alkali in the world, having the capacity to produce approximately 6.7 billion pounds of chlorine and 7.5 billion pounds of caustic soda.
- We continually explore external and internal growth opportunities that complement our existing products and our integrated structure, help us reduce costs by optimizing our asset footprint and improve productivity.
- We receive our proportionate share of LACC's ethylene production on a cash-cost basis, which benefits our integrated downstream operations.
Legal & Regulatory Risks (Item 1A, quoted)
- We are subject to legal and regulatory claims, investigations and proceedings, some of which could be material.
Source: SEC EDGAR 10-K, official filing. Curated by Nexqual.
Data source: Nexqual — market data, technical indicators, analyst consensus, earnings, SEC EDGAR filings. Last updated: October 29, 2026 at 23:05 UTC. This page is informational and not investment advice.
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