Westlake Corporation

WLK: Is Westlake Corporation Halal?

Westlake Corporation

NYSEBasic MaterialsUS

$77.08

+0.04%

Market Cap: 9.9B

Compliance Status

Not Halal

Screened on Jul 17, 2026 · AAOIFI Standard 21

F

Non-Compliant

0Score

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).

Business activity

What the company sells is permissible.

Passed

Company debt

Over the limit

How much the company borrows, compared to its total value. AAOIFI allows up to 30%.

56.5% of 30.0% limit

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

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

Shariah Compliance Status

AAOIFI Standard 21Updated Jul 17, 2026

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.

Fiscal: Q1 2026Data source: EDGAR

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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Frequently Asked Questions

Is Westlake Corporation (WLK) halal to invest in?
Westlake Corporation (WLK) is rated Not Halal under AAOIFI Standard 21 screening. It fails either the business activity screen (primary involvement in prohibited sectors such as conventional banking, alcohol, or gambling) or one of the quantitative financial ratio thresholds. Muslim investors should avoid or exit this position.
Why did Westlake Corporation get a F compliance rating?
Westlake Corporation (WLK) received a grade of F (Non-Compliant) based on three AAOIFI Standard 21 financial ratios: debt-to-market-cap of 56.5% (limit 30%); interest-bearing deposits of 29.6% (limit 30%); prohibited income of 1.02% (limit 5%). The grade reflects the margin of safety across all three ratios relative to their thresholds.
What could change Westlake Corporation's Shariah verdict?
Westlake Corporation's verdict is re-evaluated at each annual re-screen. Three events could change it: (1) the debt-to-market-cap ratio crossing 30%, typically from new debt issuance or a major drop in share price; (2) interest-bearing deposits exceeding 30% of market cap; or (3) prohibited revenue (alcohol, gambling, conventional finance, etc.) exceeding 5% of total revenue. Verdict flips are tracked in the compliance history section above.
How often is Westlake Corporation re-screened for Shariah compliance?
Westlake Corporation (WLK) is re-screened annually using the most recent full-year financial data from SEC filings. HalalScreener also triggers an on-demand re-screen whenever the stored data is more than 7 days old, ensuring the ratios reflect the latest available financial statements. Last screened: Jul 17, 2026.

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.