Compare · LYB vs WLK
LYB vs WLK
Side-by-side comparison of LyondellBasell Industries NV (LYB) and Westlake Corporation (WLK): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both LYB and WLK operate in Major Chemicals (Industrials), so they compete in similar markets.
- LYB is the larger of the two at $19.49B, about 2.4x WLK ($7.96B).
- Over the past year, LYB is up 25.9% and WLK is down 22.8% - LYB leads by 48.7 points.
- WLK has been more active in the news (6 items in the past 4 weeks vs 4 for LYB).
- Both have 25 recent analyst ratings on file.
- Company
- LyondellBasell Industries NV
- Westlake Corporation
- Price
- $60.03-0.55%
- $62.33+0.05%
- Market cap
- $19.49B
- $7.96B
- 1M return
- -6.66%
- -12.98%
- 1Y return
- +25.93%
- -22.82%
- Industry
- Major Chemicals
- Major Chemicals
- Exchange
- NYSE
- NYSE
- IPO
- 2004
- News (4w)
- 4
- 6
- Recent ratings
- 25
- 25
LyondellBasell Industries NV
LyondellBasell Industries N.V. operates as a chemical company in the United States, Germany, Mexico, Italy, Poland, France, Japan, China, the Netherlands, and internationally. The company operates in six segments: Olefins and PolyolefinsÂAmericas; Olefins and PolyolefinsÂEurope, Asia, International; Intermediates and Derivatives; Advanced Polymer Solutions; Refining; and Technology. It produces and markets olefins and co-products; polyolefins; polyethylene products, which consist of high density polyethylene, low density polyethylene, and linear low density polyethylene; and polypropylene (PP) products, such as PP homopolymers and copolymers. The company also produces and sells propylene oxide and its derivatives; oxyfuels and related products; and intermediate chemicals, such as styrene monomers, acetyls, ethylene glycols, and ethylene oxides and derivatives. In addition, it produces and markets compounds and solutions, such as polypropylene compounds, engineered plastics, masterbatches, engineered composites, colors, and powders; and advanced polymers. Further, the company refines crude oil and other crude oils of varied types and sources into gasoline, diesel, and jet fuel; develops and licenses chemical and polyolefin process technologies; and manufactures and sells polyolefin catalysts. LyondellBasell Industries N.V. was founded in 1955 and is headquartered in Houston, Texas.
Westlake Corporation
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.
Latest LYB
- LYB to discuss third-quarter results Friday, Oct. 30, 2026
- Director Karlin Bridget E was granted 781 units of Class A Ordinary Shares and covered exercise/tax liability with 194 units of Class A Ordinary Shares, increasing direct ownership by 8% to 7,834 units (SEC Form 4)
- Director Kamsky Virginia A was granted 720 units of Class A Ordinary Shares and covered exercise/tax liability with 139 units of Class A Ordinary Shares, increasing direct ownership by 6% to 10,864 units (SEC Form 4)
- LyondellBasell downgraded by Citigroup with a new price target
- KeyBanc Capital Markets initiated coverage on LyondellBasell
- LyondellBasell announces quarterly dividend
- Amendment: SEC Form SCHEDULE 13G/A filed by LyondellBasell Industries NV
- LyondellBasell upgraded by Analyst with a new price target
- SEC Form 10-Q filed by LyondellBasell Industries NV
- LyondellBasell Industries NV filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
Latest WLK
- Westlake Royal Building Products™ Consolidates US Tile® and Newpoint™ Roofing Brands Under One Name
- Westlake Corporation filed SEC Form 8-K: Costs Associated with Exit or Disposal Activities, Regulation FD Disclosure, Financial Statements and Exhibits
- Westlake to Optimize European Chlorovinyls Footprint with Closure of Cologne PVC Plant
- New Mid-America® Gable Vents From Westlake Royal Building Products™ Combine Architectural Style With Easy Installation
- BlueLinx Expands Relationship with Westlake Royal Building Products™ Through Exclusive Kleer® PVC Trim Distribution Agreement and Market Expansion of TruExterior® Siding and Trim Products
- Westlake Royal Building Products™ Broadens Kleer® and TruExterior® Distribution Through Expanded BlueLinx Partnership
- KeyBanc Capital Markets initiated coverage on Westlake Corporation with a new price target
- Westlake Corporation downgraded by BMO Capital Markets with a new price target
- SEC Form 4 filed by VP and CAO Darby Tommy
- SEC Form 3 filed by new insider Darby Tommy