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Compare · WLK vs WLKP

WLK vs WLKP

Side-by-side comparison of Westlake Corporation (WLK) and Westlake Chemical Partners LP (WLKP): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both WLK and WLKP operate in Major Chemicals (Industrials), so they compete in similar markets.
  • WLK is the larger of the two at $11.12B, about 13.6x WLKP ($820.2M).
  • Over the past year, WLK is up 21.4% and WLKP is up 5.5% - WLK leads by 16.0 points.
  • WLK has hit the wire 6 times in the past 4 weeks while WLKP has been quiet.
  • WLK has more recent analyst coverage (25 ratings vs 2 for WLKP).
PerformanceWLK+21.43%WLKP+5.48%
2025-06-03+0.00%2026-06-02
MetricWLKWLKP
Company
Westlake Corporation
Westlake Chemical Partners LP
Price
$86.83+0.51%
$23.30-0.77%
Market cap
$11.12B
$820.2M
1M return
-24.49%
+1.92%
1Y return
+21.43%
+5.48%
Industry
Major Chemicals
Major Chemicals
Exchange
NYSE
NYSE
IPO
2004
2014
News (4w)
6
0
Recent ratings
25
2
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.

WLKP

Westlake Chemical Partners LP

Westlake Chemical Partners LP acquires, develops, and operates ethylene production facilities and related assets in the United States. The company's ethylene production facilities primarily convert ethane into ethylene. It also sells ethylene co-products, including propylene, crude butadiene, pyrolysis gasoline, and hydrogen directly to third parties on a spot or contract basis. Westlake Chemical Partners GP LLC serves as the general partner of the company. The company was founded in 2014 and is headquartered in Houston, Texas.

Latest WLK

Latest WLKP