WLK

Based on Westlake Corporation's historical closing prices, adjusted for stock splits and dividend reinvestment. Past performance does not guarantee future results. This is for informational purposes only and is not financial advice.

What does Westlake Corporation do?

Westlake Corporation manufactures petrochemicals, polymers, and building products. Its two segments cover commodity chemicals like PVC and polyethylene as well as residential construction products including siding, pipe, roofing, and windows. Customers range from plastics fabricators to homebuilders and municipalities.

Does WLK pay dividends?

Yes, Westlake Corporation pays a regular dividend. This is notable for a commodity chemicals producer and reflects a degree of financial discipline. Investors should be aware that dividend sustainability can be influenced by the cyclical nature of petrochemical and housing markets.

When does WLK report earnings?

Westlake reports earnings on a quarterly cadence, consistent with US-listed large-cap equities. For the exact timing of upcoming releases, check Westlake Corporation's official investor relations page, as our data source does not cover specific future earnings dates.

Is WLK a good stock to buy?

UQS Score rates WLK as Below Average overall. The Risk and Valuation pillars are rated Good, which provides some relative comfort, but Quality, Moat, and Growth are all rated Weak. Whether WLK fits your portfolio depends on your view of the chemical cycle and your risk tolerance. See the full pillar breakdown on UQS Pro.

Is WLK overvalued?

The UQS Valuation pillar for WLK is rated Good, suggesting the stock is not pricing in excessive optimism relative to its fundamentals. For cyclical commodity producers, valuation context matters across the cycle — the complete metrics are available to UQS Pro members.

How does WLK compare to its competitors?

Westlake competes in both commodity chemicals and building products, making direct comparisons nuanced. Peers like RPM International and IFF operate in higher-margin specialty segments, while Westlake's scale in PVC and chlor-alkali gives it volume advantages. UQS Pro members can view side-by-side pillar comparisons.

What is WLK's market cap bracket?

Westlake Corporation is classified as a large-cap company. This places it among the more established names in the Basic Materials sector, with the scale to serve diverse industrial and residential construction markets across multiple geographies.

Who founded Westlake Corporation?

Westlake Corporation was founded in 1986. The company was formerly known as Westlake Chemical Corporation and rebranded to Westlake Corporation in February 2022 to reflect its expanded building products business alongside its chemicals operations.

Is WLK a long-term quality investment?

As a long-term quality indicator, WLK's UQS profile presents a mixed picture. The Good Risk and Valuation ratings offer some stability, but Weak scores across Quality, Moat, and Growth suggest the business has not yet demonstrated the durable competitive advantages typically associated with long-term compounders in the materials sector.

What is the main competitive advantage of Westlake Corporation?

Westlake's scale across integrated PVC production — from chlor-alkali inputs through to finished building products — provides some cost advantages. However, the UQS Moat pillar is rated Weak, indicating that durable pricing power and differentiation remain limited in its commodity-oriented markets.

What sector does WLK belong to?

Westlake Corporation belongs to the Basic Materials sector. Within that sector, it spans petrochemicals and polymers as well as residential building products, giving it exposure to both industrial demand cycles and housing market trends.

Is WLK a growth stock or value stock?

Based on UQS pillar labels, WLK leans toward neither category cleanly. The Growth pillar is rated Weak, suggesting limited expansion momentum, while the Valuation pillar is rated Good — characteristics more consistent with a value-oriented profile than a high-growth one.

Westlake Corporation currently shows below-average quality metrics, suggesting challenges with profitability.

Westlake Corporation shows steady but unspectacular growth, typical for mature companies.

Westlake Corporation maintains a reasonable risk profile with manageable debt levels.

Westlake Corporation trades at a reasonable valuation with decent earnings yield and FCF multiples.

Westlake Corporation operates in a highly competitive environment with limited sustainable advantages. The Moat pillar evaluates competitive advantages across five dimensions: Switching Costs, Network Effects, Cost Advantage, Intangible Assets, and Scale & Ecosystem. Sign in to customize moat ratings for WLK.

The UQS (Unified Quality Score) for Westlake Corporation is calculated using a proprietary 6-pillar framework with 29 financial metrics. Each pillar evaluates a different dimension on a 0–100 scale, then combines into a single weighted score. Scoring thresholds are calibrated per sector. Momentum is an optional Pro toggle — without it, you get the 5-pillar / 25-metric core shown below.

Quality (25%) measures profitability and capital efficiency — ROIC, ROE, margins, GP/Assets, and FCF Yield.

Moat (25%) assesses Westlake Corporation's competitive advantages across switching costs, network effects, cost advantages, intangible assets, and ecosystem scale.

Growth (20%) tracks revenue trajectory and earnings momentum, combining historical results with analyst forward estimates.

Risk (15%) is inversely scored — lower leverage and strong balance sheet health result in higher scores.

Valuation (15%) measures whether Westlake Corporation is fairly priced using earnings yield, price-to-FCF, PEG ratio, and EV/EBITDA relative to sector peers.

Six investor-inspired presets are available, each with different pillar weights: Balanced, Buffett, Munger, Lynch, Cathie Wood, and Graham. The public score shown here uses the Balanced preset. Learn more in our FAQ.