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WLK

NYSE

Westlake Corporation

SectorIndustrialsIndustryMajor ChemicalsIPO2004
News25/Ratings12

Westlake Chemical Corporation, together with its subsidiaries, manufactures and markets basic chemicals, vinyls, polymers, and building products worldwide. It operates through two segments, Vinyls and Olefins. The Vinyls segment provides specialty and commodity polyvinyl chloride (PVC), vinyl chloride monomers, ethylene dichloride, chlorine, caustic soda, chlorinated derivative, and ethylene products. This segment also manufactures and sells PVC compounds and building products fabricated from PVC, including residential siding, trim and molding, pipe and fittings for various water, sewer and industrial applications, profiles for windows and doors, decking products, films for various inflatables, wall covering tapes, roofing applications, and composite roof tiles. The Olefins segment offers polyethylene, styrene monomers, and various ethylene co-products, as well as sells propylene, crude butadiene, pyrolysis gasoline, and hydrogen products. Westlake Chemical Corporation offers its products to a range of customers, including chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses in various consumer and industrial markets, such as flexible and rigid packaging, automotive products, coatings, water treatment, refrigerants, and residential and commercial construction, as well as other durable and non-durable goods. The company was founded in 1986 and is headquartered in Houston, Texas. Westlake Chemical Corporation is a subsidiary of TTWF LP.

News · 26 weeks73-67%
2025-12-14: 22025-12-21: 12025-12-28: 02026-01-04: 32026-01-11: 12026-01-18: 02026-01-25: 02026-02-01: 12026-02-08: 22026-02-15: 172026-02-22: 162026-03-01: 32026-03-08: 02026-03-15: 02026-03-22: 02026-03-29: 62026-04-05: 42026-04-12: 12026-04-19: 42026-04-26: 12026-05-03: 52026-05-10: 22026-05-17: 32026-05-24: 12026-05-31: 02026-06-07: 0
2025-12-142026-06-07
Mix2790d
  • SEC Filings9(33%)
  • Insider5(19%)
  • Analyst5(19%)
  • Other5(19%)
  • Earnings2(7%)
  • Leadership1(4%)

Latest news

25 items

WLK FAQ

8 questions
  • What does Westlake Corporation do?
    Westlake Chemical Corporation, together with its subsidiaries, manufactures and markets basic chemicals, vinyls, polymers, and building products worldwide. It operates through two segments, Vinyls and Olefins. The Vinyls segment provides specialty and commodity polyvinyl chloride (PVC), vinyl chloride monomers, ethylene dichloride, chlorine, caustic soda, chlorinated derivative, and ethylene products. This segment also manufactures and sells PVC compounds and building products fabricated from PVC, including residential siding, trim and molding, pipe and fittings for various water, sewer and...
  • Where does WLK stock trade?
    Westlake Corporation (WLK) is listed on NYSE.
  • What sector and industry is WLK in?
    Westlake Corporation operates in the Industrials sector, Major Chemicals industry.
  • When did Westlake Corporation go public?
    Westlake Corporation (WLK) completed its IPO in 2004.
  • Does WLK pay a dividend?
    WLK's most recent ex-dividend date was 2026-05-27 with a cash dividend of $0.53 per share. No future ex-date is on file yet.
  • What are analysts saying about WLK?
    Westlake Corporation has had 8 recent analyst actions on file. The most recent action was from Citigroup: Neutral on 2026-05-27.
  • What companies are similar to WLK?
    Notable peers in the same industry include LIN (Linde plc), APD (Air Products and Chemicals Inc.), DOW (Dow Inc.), LYB (LyondellBasell Industries NV), DD (DuPont de Nemours Inc.). Compare WLK side-by-side with any of them on Quantisnow.
  • How can I track WLK on Quantisnow?
    Quantisnow aggregates Westlake Corporation's SEC filings, analyst ratings, insider transactions, FDA approvals, and press releases the moment they hit the wire (Wall Street's wire, on your screen.). Follow WLK to receive live email and push alerts on every new disclosure.