Massivemarkets

WLK

Westlake Corporation

NYSE · usd

$64.56+0.42 (+0.66%)
At close · 15-minute delayed
$64.97+0.41 (+0.64%)
As of 7:50:16 PM EDT on Oct 23, 2026 · After hours

Westlake Corporation (WLK) trades at $64.56 (+0.66%) as of 7:50:16 PM EDT on Oct 23, 2026, -3.30% over the past month. Market cap is $8.2B, with 6.7 days to cover in short interest.

Stock performance

How Westlake Corporation (WLK) stock has performed from one day to one year, with its 52-week range.

+0.65%
+$0.42 over 1D
$63.72$64.17$64.63$65.094:00 AM11:00 AM12:40 PM2:25 PM8:00 PM$64.56
1D
+0.65%
1W
+1.94%
1M
-3.30%
YTD
-12.69%
1Y
-19.03%
52-wk range
$56.33 – $124.23

Key statistics

Today's trading snapshot for WLK: day range, open, previous close, volume and market cap.

Day range
$63.50 – $65.29
Open
$64.12
Prev close
$64.14
Volume
1.03M
Market cap
$8.2B
Shares out
127.8M

Valuation and profitability ratios: P/E, P/S, ROE

Valuation and profitability ratios for Westlake Corporation: P/E, P/S, P/B, ROE and more.

P/E
—
P/S
0.73
P/B
0.94
P/FCF
—
ROE
-14.2%
ROA
-6.4%
Debt/Equity
0.58
Div yield
3.33%

As of Oct 22, 2026

8-K filings

Material corporate events Westlake Corporation has disclosed to the SEC on Form 8-K.

  • Investor communicationsSep 29, 2026

    On September 29, 2026, the Company issued a press release regarding the Company's plan to close the Cologne facility and providing an update on financial performance in the third quarter of 2026.

  • Executive leadershipAug 31, 2026

    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 ... Mr. Darby was also appointed as Vice President, Chief Accounting Officer of Westlake Chemical Partners GP LLC ... effective August 31, 2026.

  • Investor communicationsAug 4, 2026

    The Company made available an investor presentation regarding its 2026 second quarter results, which is furnished with this Current Report as Exhibit 99.2.

  • Legal proceedingsJul 29, 2026

    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 Europe B.V. ('SCE') in March 2023, in which SCE had alleged damages of approximately €1,025 million (plus statutory interest), and (ii) the lawsuit filed by Stichting Ethylene Claims ('Stichting') in November 2023, in which Stichting had sought a declaratory judgment establishing that the defendants were liable for an unspecified amount of damages. Both dismissals are subject to appeal by the plaintiffs.

  • Deal completionsJun 15, 2026

    Westlake Vinnolit GmbH & Co. KG, a wholly owned subsidiary of the Company, has completed the previously announced acquisition of a polyvinyl chloride and vinyl chloride monomer production site located in Wilhelmshaven, Germany.

Dividend history and stock splits

Westlake Corporation's recent dividend payments and stock splits.

Dividends

  • $0.53ex-div Aug 25, 2026
  • $0.53ex-div May 27, 2026
  • $0.53ex-div Mar 3, 2026
  • $0.53ex-div Nov 25, 2025

Splits

  • 2-for-1Mar 19, 2014

WLK short interest

How heavily WLK is shorted: shares short, days to cover and average daily volume.

Days to cover
6.7
Short interest
4.87M
Avg volume
725.2K

As of · reported to FINRA twice monthly.

WLK news

The latest news and headlines about Westlake Corporation (WLK).

Frequently asked questions

What is the Westlake Corporation (WLK) stock price today?

Westlake Corporation (WLK) is trading at $64.56 (+0.66% on the day) as of 7:50:16 PM EDT on Oct 23, 2026. Prices are delayed at least 15 minutes; real-time quotes are available from the Massive API.

What is Westlake Corporation?

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.

What is the short interest in WLK?

As of Sep 30, 2026, WLK has 4.87M shares short and 6.7 days to cover.

Does Westlake Corporation (WLK) pay a dividend?

Yes. Westlake Corporation (WLK)'s most recent dividend was $0.53 per share, with an ex-dividend date of Aug 25, 2026. Full WLK dividend history is available from the Massive API.

What exchange is WLK listed on?

Westlake Corporation (WLK) trades on NYSE in USD, in the INDUSTRIAL ORGANIC CHEMICALS industry.

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