Basic Materials
Live Price
Offline$87.31
+0.22% today
1Y Change
+15.91%
Window
Jun 23, 2025 โ Jun 8, 2026
Coverage: 241 bars ยท Jun 23, 2025 โ Jun 8, 2026
Research Briefing
A compact read on the setup, peer context, quarterly changes, and recent earnings reaction.
Research Snapshot
Westlake Corporation (WLK) is a Basic Materials stock with a market cap of $14.71B and listed on NYSE. The stock last traded around $87.31 and up 15.9% across the available one-year price window (Jun 23, 2025 โ Jun 8, 2026). Baseline metrics include revenue growth of -8.0%, EPS growth of -351.7%, a dividend yield of 1.8%. What stands out right now is revenue -8.0%, EPS -351.7%, free cash flow -273.2% with operating margin -14.1% and ROIC -7.9%. The dividend is present but secondary, with a yield around 1.8%. Valuation is more restrained than many high-expectation growth names at price/sales 1.3. Overall, the current profile looks closer to a turnaround or cyclical reset than a generic broad-market placeholder. Stock Foundry combines WLK price history, valuation, growth, dividend context, earnings, analyst forecasts, news, related Basic Materials peers on this page.
Sector Context
How this name stacks up against nearby peers on first-pass metrics.
Revenue Growth
Below sector median
-8.0% vs 0.0% peer median
Operating Margin
Below sector median
-14.1% vs +10.5% peer median
What Changed This Quarter
Latest report context and the signals most likely to have changed the story.
Latest report is on the board
2026 was reported on May 1, 2026, but the surprise data is still limited.
The operating picture looks softer than before
Revenue is at -8.0% and EPS is at -351.7%, with operating margin around -14.1%.
Shareholder return is still part of the story
The stock is still offering a dividend yield around 1.8%, which matters if the thesis depends on income as much as growth.
Earnings Reaction Memory
How the stock has tended to move after recent reports.
Across the last 3 reported quarters, the stock averaged -8.4% over the next 5 trading days and finished higher after 0 of those reports.
| Quarter | EPS ฮ | 1D | 5D | 20D |
|---|---|---|---|---|
2026 May 1, 2026 | โ | -0.1% | -18.4% | -24.9% |
2026 Feb 24, 2026 | +83.0% | -1.0% | -1.2% | +9.5% |
2025 Oct 30, 2025 | -261.1% | +0.8% | -5.6% | -2.2% |
Benchmark Comparison
Compare this ticker against a broad index, growth benchmark, or sector ETF using a shared 1Y normalization window.
WLK
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Normalized return
SPY
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S&P 500
Excess Return
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Relative to SPY
WLK Max Drawdown
-37.77%
Trailing 1Y
SPY Max Drawdown
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Trailing 1Y
Uses the longest available daily history for WLK and SPY.

Company Overview
Westlake Corporation
New York Stock Exchange
Westlake Corporation manufactures and supplies petrochemicals, polymers, and building products worldwide. It operates through two segments, Performance and Essential Materials; and Housing and Infrastructure Products. The Performance and Essential Materials segment manufactures and markets polyethylene, styrene monomer, ethylene co-products, PVC, VCM, ethylene dichloride chlor-alkali, and chlorinated derivative products. The Housing and Infrastructure Products segment manufactures and sells residential PVC siding; PVC trim and moldings; roofing applications; decorative stone; windows; PVC decking; PVC films for various inflatables, wallcovering, tape, and roofing applications; polymer composite roof tiles; PVC pipe and fittings; PVC compounds; and various consumer and commercial products such as landscape edging; industrial, home and office matting; marine dock edging; and masonry joint controls. The company offers its products to a range of customers, including chemical processors, plastics fabricators, small construction contractors, municipalities, and supply warehouses for use in various consumer and industrial markets, including residential construction, flexible and rigid packaging, automotive products, healthcare products, water treatment, and coatings, as well as other durable and non-durable goods. The company was formerly known as Westlake Chemical Corporation and changed its name to Westlake Corporation in February 2022. The company was founded in 1986 and is headquartered in Houston, Texas. Westlake Corporation is a subsidiary of TTWF LP.
Valuation, growth, profitability, and balance sheet signals.
Company announcements and filings-style updates.
Next Step
After the overview, the strongest next step is usually chart context or a tighter compare set.