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Compare · WLK vs ZTEK

WLK vs ZTEK

Side-by-side comparison of Westlake Corporation (WLK) and Zentek Ltd. (ZTEK): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both WLK and ZTEK operate in Major Chemicals (Industrials), so they compete in similar markets.
  • WLK is the larger of the two at $14.17B, about 280.2x ZTEK ($50.6M).
  • Over the past year, WLK is up 18.9% and ZTEK is down 67.6% - WLK leads by 86.5 points.
  • WLK has been more active in the news (9 items in the past 4 weeks vs 6 for ZTEK).
  • WLK has more recent analyst coverage (25 ratings vs 0 for ZTEK).
PerformanceWLK+18.91%ZTEK-67.55%
2025-04-28+0.00%2026-04-24
MetricWLKZTEK
Company
Westlake Corporation
Zentek Ltd.
Price
$110.59-1.47%
$0.48-5.08%
Market cap
$14.17B
$50.6M
1M return
-3.00%
-17.19%
1Y return
+18.91%
-67.55%
Industry
Major Chemicals
Major Chemicals
Exchange
NYSE
NASDAQ
IPO
2004
News (4w)
9
6
Recent ratings
25
0
WLK

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.

ZTEK

Zentek Ltd.

Zentek Ltd. engages in the research and development of graphene and related nanomaterials in Canada. It owns 100% interest in the Albany Graphite project located in Northern Ontario, Canada. The company develops graphene-based antimicrobial coating under the ZenGUARD brand, surgical masks, HVAC filters, personal protective equipment, rapid detection point of care diagnostics tests, and pharmaceutical products based on graphene-based compound. In addition, it develops synthesize graphene, graphene oxide, and graphene quantum dots for applications of graphene. The company was formerly known as ZEN Graphene Solutions Ltd. and changed its name to Zentek Ltd. in October 2021. Zentek Ltd. was incorporated in 2008 and is headquartered in Thunder Bay, Canada.