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Westlake Corporation (WLK) Stock Ticker

NYSE: WLK · Basic Materials · Chemicals - Specialty
$66.86+1.42%
USD · as of 2026-09-28 · market cap $8.7B
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WLK right now

Options expect by Oct 6±6.4%
Options expect by Oct 29±13.3%
Priced in for Oct 29 earnings±13.3%
IV rank (30-day)7% · cheap
From Tickr's live models · 2026-09-29. Not investment advice.

Market factors today

Tickr 500 vs S&P 500+0.49%+1.0% MTD
Momentum L/S+1.35%+15.1% MTD
High-beta momo L/S+1.46%+22.2% MTD
Rate sensitivity L/S+1.91%+6.9% MTD
Oil sensitivity L/S-2.54%-5.3% MTD
Unprofitable tech-1.43%+3.7% MTD

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🔒 Strategy Lab
🔒 Financials & estimates
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About Westlake Corporation

Westlake Corporation operates as a global producer and supplier of petrochemicals, polymers, and a diverse range of building materials. Its business activities are structured into two main divisions: Performance and Essential Materials, and Housing and Infrastructure Products. The Performance and Essential Materials segment focuses on the manufacture and distribution of various chemical components, including polyethylene, styrene monomer, ethylene co-products, PVC, VCM, ethylene dichloride chlor-alkali, and related chlorinated derivatives. Concurrently, the Housing and Infrastructure Products division manufactures an extensive array of building and consumer goods. These offerings span residential PVC siding, trim, and moldings; roofing applications; decorative stone; windows; PVC decking; various PVC films for items like inflatables, wall coverings, tape, and roofing; polymer composite roof tiles; PVC pipe and fittings; and PVC compounds. This segment also produces consumer and commercial items such as landscape edging, industrial and home matting, marine dock edging, and masonry joint controls. Westlake's broad customer base includes chemical processors, plastics fabricators, smaller construction contractors, municipal entities, and supply warehouses. Their products are integrated into numerous consumer and industrial markets, such as residential construction, flexible and rigid packaging, automotive manufacturing, healthcare, water treatment, coatings, and a wide array of other durable and non-durable goods. Founded in 1986 and headquartered in Houston, Texas, the company adopted its current name, Westlake Corporation, in February 2022, having previously operated as Westlake Chemical Corporation. Westlake Corporation functions as a subsidiary of TTWF LP.

WLK stock facts

Ticker symbolWLK
ExchangeNew York Stock Exchange
SectorBasic Materials
IndustryChemicals - Specialty
Market cap$8.7B
CEOJean-Marc Gilson
Employees14,600
HeadquartersHouston, TX, US
IPO date2004-08-12
Websitewww.westlake.com

What you can see for WLK on Tickr

Live WLK price chart with overlays, the options chain, implied move, IV rank, options flow and Strategy Lab, financial statements and consensus estimates, analyst ratings, catalysts, news with AI scoring, and an AI chat that has read the WLK report.

Rankings

Largest Basic Materials companiesLargest companies by market cap

FAQ

What is the ticker symbol for Westlake Corporation?

The ticker symbol for Westlake Corporation is WLK, listed on the New York Stock Exchange.

What is WLK?

Westlake Corporation operates as a global producer and supplier of petrochemicals, polymers, and a diverse range of building materials. Its business activities are structured into two main divisions: Performance and Essential Materials, and Housing and Infrastructure Products. The Performance and Essential Materials segment focuses on the manufacture and distribution of various chemical…

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