Westlake Corporation
WLK
Rank in Stocks
#2424
Westlake Corporation operates as a global producer and supplier of... Westlake Corporation operates as a global producer and supplier of petrochemicals, polymers, and a diverse range of building materials. Its business activities are structured into two main divisions: Performance and Essential Materials, and Housing and Infrastructure Products. The Performance and Essential Materials segment focuses on the manufacture and distribution of various chemical components, including polyethylene, styrene monomer, ethylene co-products, PVC, VCM, ethylene dichloride chlor-alkali, and related chlorinated derivatives. Concurrently, the Housing and Infrastructure Products division manufactures an extensive array of building and consumer goods. These offerings span residential PVC siding, trim, and moldings; roofing applications; decorative stone; windows; PVC decking; various PVC films for items like inflatables, wall coverings, tape, and roofing; polymer composite roof tiles; PVC pipe and fittings; and PVC compounds. This segment also produces consumer and commercial items such as landscape edging, industrial and home matting, marine dock edging, and masonry joint controls. Westlake's broad customer base includes chemical processors, plastics fabricators, smaller construction contractors, municipal entities, and supply warehouses. Their products are integrated into numerous consumer and industrial markets, such as residential construction, flexible and rigid packaging, automotive manufacturing, healthcare, water treatment, coatings, and a wide array of other durable and non-durable goods. Founded in 1986 and headquartered in Houston, Texas, the company adopted its current name, Westlake Corporation, in February 2022, having previously operated as Westlake Chemical Corporation. Westlake Corporation functions as a subsidiary of TTWF LP.
Share Price
$63.21
Last synced: 2026-10-16
Market Cap
$8.08B
Change (1 day)
-0.99%
Change (1 year)
-16.01%
Country
US
Trade Westlake Corporation (WLK)
Category
Basic Materials
Operating Margin for Westlake Corporation (WLK)
Operating Margin as of October 2026 TTM: -10.86%
According to Westlake Corporation latest financial reports and stock price the company's current Operating Margin (TTM) is -10.86%. At the end of 2023 the company had an Operating Margin of 9.82%.
Operating Margin history for Westlake Corporation from 2000 to 2026
Operating Margin at the end of each year
| Year | Operating Margin | Change |
|---|---|---|
| 2026 (TTM) | -10.86% | -250.62% |
| 2024 | 7.21% | -26.58% |
| 2023 | 9.82% | -49.69% |
| 2022 | 19.52% | -18.50% |
| 2021 | 23.95% | 286.29% |
| 2020 | 6.20% | -27.40% |
| 2019 | 8.54% | -48.83% |
| 2018 | 16.69% | 6.99% |
| 2017 | 15.60% | 19.45% |
| 2016 | 13.06% | -39.51% |
| 2015 | 21.59% | -15.93% |
| 2014 | 25.68% | 1.70% |
| 2013 | 25.25% | 43.55% |
| 2012 | 17.59% | 43.24% |
| 2011 | 12.28% | 2.93% |
| 2010 | 11.93% | 172.37% |
| 2009 | 4.38% | -896.36% |
| 2008 | -0.55% | -110.05% |
| 2007 | 5.47% | -56.62% |
| 2006 | 12.61% | -16.16% |
| 2005 | 15.04% | 24.30% |
| 2004 | 12.10% | 161.90% |
| 2003 | 4.62% | 252.67% |
| 2002 | 1.31% | -115.69% |
| 2001 | -8.35% | -192.16% |
| 2000 | 9.06% | 0.00% |
Operating Margin for similar companies or competitors
| Company | Operating Margin | Operating Margin Difference | Country |
|---|---|---|---|
| 27.10% | -102.50% |
GB
|
|
| 0.00% | - |
FR
|
|
| 16.36% | -101.51% |
US
|
|
| 17.37% | -101.60% |
US
|
|
| -4.71% | -99.57% |
US
|
What is a company's Operating Margin?
The operating margin is a key indicator to assess the profitability of a company. Higher operating margins are generaly better as they show that a company is able to sell its products or services for much more than their production costs. The operating margin is calculated by dividing a company's earnings by its revenue.