WLK Stock: Price, Earnings History and SEC Filings
Westlake Corporation (WLK) last traded at $68.28, up 3.44% on the latest session and up 9.6% over the past month. In its most recent reported quarter (Jun 2026) earnings per share were $2.01 against an analyst estimate of $1.93, a beat of 4.1%.
Price data from Yahoo Finance, as of Oct 30, 2026. May be delayed.
WLK earnings history
| Quarter | Reported | EPS | Estimate | Surprise |
|---|---|---|---|---|
| Jun 2026 | Aug 4, 2026 | $2.01 | $1.93 | +4.15% |
| Mar 2026 | May 5, 2026 | $-0.77 | $-0.22 | -250.00% |
| Dec 2025 | Feb 24, 2026 | $-0.25 | $-1.44 | +82.64% |
| Sep 2025 | Oct 30, 2025 | $-0.29 | $0.18 | -261.11% |
WLK beat the analyst EPS estimate in 2 of its last 4 reported quarters. Source: Nasdaq.
How WLK reacts to earnings
Across its last 8 earnings releases, WLK moved 8.3% on average the next session, in either direction. It rose after 4 of 8 reports.
| Report date | Released | Next-session move |
|---|---|---|
| 2026-08-04 | Before open | +15.37% |
| 2026-05-05 | Before open | -8.78% |
| 2026-02-24 | Before open | +11.99% |
| 2025-10-30 | Before open | -7.05% |
| 2025-08-05 | Before open | +8.96% |
| 2025-05-02 | Before open | -13.46% |
| 2025-02-24 | Before open | -0.16% |
| 2024-11-05 | Before open | +0.81% |
Based on the dates of earnings-release 8-K filings (SEC EDGAR) and daily closing prices (Yahoo Finance). Past reactions do not predict future ones.
WLK financial history
| Fiscal year | Revenue | Net income | Free cash flow | Net margin | Diluted EPS |
|---|---|---|---|---|---|
| 2025 | $11.2B | -$1.5B | -$530M | -13.5% | $-11.70 |
| 2024 | $12.1B | $602M | $306M | 5.0% | $4.64 |
| 2023 | $12.5B | $479M | $1.3B | 3.8% | $3.70 |
| 2022 | $15.8B | $2.2B | $2.3B | 14.2% | $17.34 |
| 2021 | $11.8B | $2.0B | $1.7B | 17.1% | $15.58 |
| 2020 | $7.5B | $330M | $772M | 4.4% | $2.56 |
| 2019 | $8.1B | $421M | $514M | 5.2% | $3.25 |
| 2018 | $8.6B | $996M | $707M | 11.5% | $7.62 |
Source: annual figures from 10-K filings on SEC EDGAR. The year shown is the calendar year the fiscal year ended. Free cash flow is operating cash flow minus capital spending.
Latest SEC filings for WLK
- 8-K · Sep 29, 2026Regulation FD disclosure
- 8-K · Aug 31, 2026Officer or director change
- 10-Q · Aug 5, 2026
- 8-K · Aug 4, 2026Results of operations, Regulation FD disclosure, Financial statements and exhibits
- 8-K · Jul 29, 2026Other events
- 8-K · Jun 15, 2026Regulation FD disclosure, Financial statements and exhibits
- 8-K · May 18, 2026Shareholder vote
- 10-Q · May 6, 2026
- 8-K · May 5, 2026Results of operations, Regulation FD disclosure, Financial statements and exhibits
- 8-K · May 1, 2026Regulation FD disclosure
Insider filing activity
WLK insiders filed 21 Form 4 reports in the last 90 days. A Form 4 is how directors and executives disclose purchases, sales and grants of company stock. See the individual filings on SEC EDGAR. Many Form 4 filings are routine, such as scheduled sales or option exercises, so check each filing before drawing a conclusion.
Source: SEC EDGAR.
WLK news
- Westlake Completes PVCO Pipe Manufacturing Expansion in TexasOct 30, 2026 · finance.yahoo.com
- Traeger (COOK) Moves 6.9% Higher: Will This Strength Last?Oct 30, 2026 · finance.yahoo.com
- The RealReal (REAL) Tops Q3 Earnings and Revenue EstimatesOct 29, 2026 · finance.yahoo.com
- WW International, Inc. (WW) Earnings Expected to Grow: What to Know Ahead of Next Week's ReleaseOct 29, 2026 · finance.yahoo.com
- Westlake Pipe & Fittings Completes PVCO Pipe Manufacturing ExpansionOct 29, 2026 · finance.yahoo.com
- Westlake (WLK) Reports Next Week: Wall Street Expects Earnings GrowthOct 28, 2026 · finance.yahoo.com
- Westlake Announces Third Quarter 2026 Conference CallOct 21, 2026 · finance.yahoo.com
- Westlake Chemical Partners Announce Third Quarter 2026 Conference CallOct 21, 2026 · finance.yahoo.com
About Westlake Corporation
Westlake Corporation (WLK) is a US-listed public company on NYSE. The SEC classifies its business as Industrial Organic Chemicals. It is incorporated in DE. Its fiscal year ends in December.