Westlake (WLK) closed at $71.62 on Sep 10, 2026, down 0.2% on the day. The stock is down 11.4% over the past month, down 17.8% over three months, down 2.1% year to date and down 15.1% over the past year. It trades 42.0% below its 52-week high of $123.49 and 29.7% above its 52-week low of $55.23. The close sits below its 50-day moving average ($75.82) and below its 200-day moving average ($87.79).
WLK is scheduled to report earnings on Nov 4, 2026, before market open. Over its last 8 reports the stock moved an average of 8.3% on the first trading day after earnings, beating the options-implied move in 4 of 8.
Form 4 filings over the last 90 days show no open-market purchases and 2 open-market sales by insiders.
Westlake is scheduled to report on Nov 4, 2026, before market open.
Over the last 8 reports, WLK moved an average of 8.3% on the first trading day after earnings. The move beat the options-implied move in 4 of 8 reports.
No — the Sep 10, 2026 close of $71.62 is 18.4% below the 200-day average of $87.79.
WLK closed 42.0% below its 52-week high of $123.49.
Westlake Corporation manufactures and markets performance and essential materials, and housing and infrastructure products in the United States, Canada, Germany, China, Mexico, Brazil, France, Italy, and internationally. It operates through two segments, Performance and Essential Materials and The Housing and Infrastructure Products. The Performance and Essential Materials segment offers ethylene, polyethylene, chlor-alkali, chlorinated derivative products, ethylene dichloride, vinyl chloride monomer, polyvinyl chloride (PVC), epoxy specialty resins, and base epoxy resins and intermediaries. The Housing and Infrastructure Products segment provides residential PVC sidings; PVC trim and mouldings; architectural stone veneers; windows; PVC decking; polymer composite and cement roof tiles; PVC pipes and fittings for various water, sewer, electrical, and industrial applications; and PVC compounds for various housing, medical, and automobile products. This segment also offers consumer and commercial products, such as landscape edging; industrial, home, and office matting; marine dock edging; and masonry joint controls. It offers its products to chemical processors; plastics fabricators; small construction contractors; municipalities; and supply warehouses for use in various consumer and industrial markets, including residential construction, flexible and rigid packaging, automotive products, healthcare products, water treatment, wind turbines, and coatings, as well as other durable and non-durable goods. The company was formerly known as Westlake Chemical Corporation and changed its name to Westlake Corporation in February 2022. Westlake Corporation was founded in 1986 and is headquartered in Houston, Texas. Westlake Corporation is a subsidiary of TTWF LP.
