Compliance Status
Not Halal
Screened on Oct 13, 2026 · AAOIFI Standard 21
Non-Compliant
Is Westlake Corporation (WLK) halal? Not Halal. Based on AAOIFI screening, Westlake Corporation passes the business activity screen but fails financial ratio screens with a compliance score of 0/100 (Grade: F).
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HalalScreener rates Westlake Corporation (WLK) Not Halal, 0/100, grade F under AAOIFI Standard 21, screened Oct 13, 2026. Source: https://halalscreener.app/en/stock/WLK
Business activity
What the company sells is permissible.
Company debt
Over the limitHow much the company borrows, compared to its total value. AAOIFI allows up to 30%.
The verdict above is final and free.
Pro members can verify every number behind it: interest-bearing deposits, prohibited income breakdown, and the full AAOIFI math.
Screened according to AAOIFI Standard 21
What this means for you
Most scholars advise not holding WLK
It does not pass AAOIFI Shariah screening.
See halal alternatives from the same sector further down this page
WLK: Is Westlake Corporation Halal?
Westlake Corporation
$63.33
Market Cap: 8.1B
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About Westlake Corporation
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.
Sector: Basic Materials · Industry: Chemicals - Specialty
Why this does not pass
- Interest-bearing debt is 64.0% of market cap, over the 30% AAOIFI limit.
Screened under AAOIFI Standard 21. The exact figure behind this is part of Pro; the failing check and its limit are always free.
Shariah Compliance Status
See which ratio caused the failure.
See the exact debt ratio, interest income %, and prohibited revenue that caused the failure. Know before you sell or hold.
AI Compliance Insight
PROInstitutional-grade Shariah analysis
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The verdict above is final and free.
Pro members can verify every number behind it: interest-bearing deposits, prohibited income breakdown, and the full AAOIFI math.
Screened according to AAOIFI Standard 21
Compliance History
Not Halal, unchanged since May 2026.
No status changes recorded since we began tracking.
Tracked since May 2026. Updates automatically on each re-screen.
Halal Alternatives in Basic Materials
This stock is not Shariah-compliant. Here are halal alternatives from the same sector, ranked by compliance score:
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Screened according to AAOIFI Standard No. 21 · For informational purposes only. Consult a qualified Islamic finance advisor before investing.
Disclaimer: This screening is for informational purposes only and does not constitute financial, legal, or religious advice. Compliance is evaluated using AAOIFI financial standards (debt, deposits, and prohibited income ratios) and publicly available data. Ethical, political, social, or environmental considerations are outside the scope of this screening. Individual scholars and methodologies may differ. Always consult a qualified Islamic finance advisor before making investment decisions.