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Latest bar · WLK
Momentum reads · latest daily barGreen means room to run, red means stretched — the reads re-read live as you switch the chart's timeframe. MFI(14) is a volume-weighted money-flow read: above 80 = overbought, below 20 = oversold.
Financial overlay · last 12 quarters
The story behind the price: three years of quarterly results laid over the chart, so you can see whether the stock has been following the business — or running ahead of it.
| Quarter | Revenue | Net income | Op income | FCF | Net margin | Op margin |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2.7B | $-0.2B | $-0.2B | $-0.3B | -6.4% | -5.8% |
| 2025-12-31 | $2.5B | $-0.5B | $-0.2B | $-0.0B | -21.5% | -6.7% |
| 2025-09-30 | $2.8B | $-0.8B | $-0.0B | $-0.1B | -27.6% | -0.8% |
| 2025-06-30 | $3.0B | $-0.1B | $0.0B | $-0.1B | -4.8% | 0.2% |
| 2025-03-31 | $2.8B | $-0.0B | $-0.0B | $-0.3B | -1.4% | -0.9% |
Tip: toggle P/E, FCF, ROE, Gross margin and more on the chart above — every overlay is free.
Compare WLK vs peers
Line WLK up against up to 4 peers (5 tickers total) across ~30 metrics and get one weighted 0-100 verdict — best in green, worst in red. Peers also overlay on the chart above as rebased % lines, or flip the chart to the 2×2 grid for side-by-side mini charts.
Add tickers to compare with WLK
~30 metrics across Snapshot, OdysseyHQ zone, Valuation, Growth, Quality, Technicals, Sentiment, and Risk — with a weighted score and a one-line read on each.
Earnings replay · last 20 reports
How this stock actually behaves on report day: each past earnings print with the beat-or-miss and the next-day move — a track record for handicapping the next one.
| Date | EPS actual | EPS est | Surprise | Next-day |
|---|---|---|---|---|
| 2026-05-05 | -0.77 | -0.24 | -225.0% | -4.6% |
| 2026-02-24 | -0.25 | -1.47 | +83.0% | -1.0% |
| 2025-10-30 | -0.29 | 0.23 | -227.5% | +0.8% |
| 2025-08-05 | -0.09 | 0.02 | -529.4% | -2.4% |
| 2025-05-02 | -0.26 | 0.69 | -137.0% | -2.0% |
| 2025-02-24 | 0.41 | 1.17 | -65.0% | +2.3% |
| 2024-11-05 | 1.41 | 2.24 | -36.9% | +3.5% |
| 2024-08-06 | 2.40 | 1.94 | +23.6% | -0.4% |
| 2024-05-01 | 1.37 | 1.03 | +33.7% | +0.2% |
| 2024-02-20 | 0.53 | 0.84 | -37.4% | +2.0% |
| 2023-11-02 | 2.20 | 1.97 | +11.7% | +2.2% |
| 2023-08-03 | 2.33 | 2.89 | -19.3% | -1.1% |
| 2023-05-04 | 3.09 | 2.15 | +43.5% | +3.8% |
| 2023-02-21 | 1.86 | 2.30 | -18.8% | +3.5% |
| 2022-11-03 | 3.15 | 4.32 | -27.0% | +8.0% |
| 2022-08-02 | 6.59 | 6.16 | +7.0% | +0.0% |
| 2022-05-03 | 5.93 | 4.77 | +24.2% | +5.1% |
| 2022-02-22 | 5.10 | 4.60 | +10.7% | -2.0% |
| 2021-11-02 | 4.73 | 3.94 | +19.9% | +0.9% |
| 2021-08-03 | 4.04 | 3.54 | +14.0% | -3.7% |
Earnings markers are overlaid on the daily price chart above. Click a ▲ marker for that day's move.
Peer comparison · Basic Materials
Context check: the same key numbers for the closest Basic Materials names side by side, so you can tell whether this stock is the standout or just moving with its group.
| Ticker ⇅ | Mkt cap ⇅ | P/E ⇅ | Fwd P/E ⇅ | P/S ⇅ | EV/EBITDA ⇅ | P/B ⇅ | Gross M ⇅ | Rev gr ⇅ | EPS gr ⇅ | FCF yld ⇅ |
|---|---|---|---|---|---|---|---|---|---|---|
| WLK ★ | $9B | — | 21.8 | 0.9 | 19.6 | 1.1 | 6.3% | -6.8% | — | -0.23% |
| LIN | $237B | 34.0 | 26.1 | 6.8 | 19.2 | 6.1 | 48.8% | 8.2% | 13.4% | 1.98% |
| SHW | $78B | 30.5 | 23.9 | 3.3 | 20.2 | 17.6 | 49.0% | 6.8% | 7.5% | 2.73% |
| APD | $66B | 31.4 | 20.8 | — | 22.3 | 4.2 | 32.0% | 8.8% | — | -5.31% |
| FCX | $90B | 30.7 | 15.8 | — | 11.1 | 4.4 | 38.3% | -7.3% | 27.1% | 2.40% |
| ECL | $76B | 36.4 | 28.7 | 4.6 | 20.9 | 7.6 | 44.4% | 10.0% | 7.8% | 2.10% |
| NEM | $98B | 11.8 | 8.8 | 3.8 | 5.6 | 2.8 | 68.0% | 15.1% | 11.4% | 8.98% |
Auto-seeded from sector. Click any ticker to switch.
Ownership
Who holds the stock and what they've been doing lately — big funds on the left, executives' own buys and sells on the right. Insider buying is the rarer, louder signal.
Top institutional holders
Top-10 concentration: 19.29%
| Holder | Shares | % out |
|---|---|---|
| Orbis Allan Gray Ltd | 5,293,519 | 4.13% |
| Capital World Investors | 4,211,006 | 3.29% |
| Blackrock Inc. | 3,079,087 | 2.40% |
| Price (T.Rowe) Associates Inc | 2,407,457 | 1.88% |
| Brandes Investment Partners L.P. | 1,842,650 | 1.44% |
| Wellington Management Group, LLP | 1,793,517 | 1.40% |
| Vanguard Portfolio Management LLC | 1,769,808 | 1.38% |
| Dimensional Fund Advisors LP | 1,466,020 | 1.14% |
| Vanguard Capital Management LLC | 1,455,594 | 1.14% |
| Goldman Sachs Group Inc | 1,393,327 | 1.09% |
Insider activity · 90d
1 buys / 0 sells · ratio 1.0 · Finnhub
- Baksht Jonathan BUY 20,580
- Bender Mark Steven F 35,895 @ $97.34
- Bender Mark Steven M 0
- Bender Mark Steven M 41,179
Analyst estimates
FinnhubWhat Wall Street expects next: the consensus forecasts for the coming quarters. The market usually reacts to results versus these numbers, not the raw results themselves.
SEC filings
The company's own paperwork, straight from the regulator — annual and quarterly reports, big announcements and insider trades. The primary source behind every headline.
| Form | Filed | Description | Action |
|---|---|---|---|
| 4 | 2026-06-16 | 4 | view · |
| 8-K | 2026-06-15 | 8-K | view · |
| 8-K | 2026-05-18 | 8-K | view · |
| 4 | 2026-05-14 | 4 | view · |
| 10-Q | 2026-05-06 | 10-Q | view · |
| 8-K | 2026-05-05 | 8-K | view · |
| 8-K | 2026-05-01 | 8-K | view · |
| 8-K | 2026-04-20 | 8-K | view · |
| 8-K | 2026-04-14 | 8-K | view · |
| 4 | 2026-04-06 | 4 | view · |
| 8-K | 2026-04-06 | 8-K | view · |
| 8-K | 2026-04-02 | 8-K | view · |
| DEF 14A | 2026-04-02 | DEF 14A | view · |
| 4 | 2026-03-31 | 4 | view · |
| 4 | 2026-03-30 | 4 | view · |
| 4 | 2026-03-02 | 4 | view · |
| 10-K | 2026-02-26 | 10-K | view · |
| 8-K | 2026-02-24 | 8-K | view · |
| 4 | 2026-02-24 | 4 | view · |
| 8-K | 2026-02-23 | 8-K | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-23 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 4 | 2026-02-19 | 4 | view · |
| 8-K | 2026-01-06 | 8-K | view · |
| 4 | 2025-12-23 | 4 | view · |
| 8-K | 2025-12-15 | 8-K | view · |
| 4 | 2025-12-10 | 4 | view · |
| 8-K | 2025-11-12 | 8-K | view · |
| 8-K | 2025-11-05 | 8-K | view · |
| 8-K | 2025-11-04 | 8-K | view · |
| 10-Q | 2025-10-31 | 10-Q | view · |
| 8-K | 2025-10-30 | 8-K | view · |
| 4 | 2025-10-03 | 4 | view · |
| 4 | 2025-08-29 | 4 | view · |
| 8-K | 2025-08-26 | 8-K | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 4 | 2025-08-11 | 4 | view · |
| 10-Q | 2025-08-06 | 10-Q | view · |
| 8-K | 2025-08-05 | 8-K | view · |
About WLK
Westlake Corporation manufactures and markets performance and essential materials, and housing and infrastructure products in the United States, Canada, Germany, China, Mexico, Brazil, France, Italy, and internationally. It operates through two segments, Performance and Essential Materials and The Housing and Infrastructure Products. The Performance and Essential Materials segment offers ethylene, polyethylene, chlor-alkali, chlorinated derivative products, ethylene dichloride, vinyl chloride monomer, polyvinyl chloride (PVC), epoxy specialty resins, and base epoxy resins and intermediaries. The Housing and Infrastructure Products segment provides residential PVC sidings; PVC trim and mouldings; architectural stone veneers; windows; PVC decking; polymer composite and cement roof tiles; PVC pipes and fittings for various water, sewer, electrical, and industrial applications; and PVC compounds for various housing, medical, and automobile products. This segment also offers consumer and commercial products, such as landscape edging; industrial, home, and office matting; marine dock edging; and masonry joint controls. It offers its products to chemical processors; plastics fabricators; …
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