Westlake Corporation (WLK) Earnings History
Net Loss27 years of earnings data (1999–2025) · Currently unprofitable on a TTM basis
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Westlake Corporation (WLK) Earnings Overview
As of June 21, 2026, Westlake Corporation (WLK) reported trailing twelve-month net income of -$1.64B, reflecting -352.8% year-over-year growth. The company earned $-12.79 per diluted share over the past four quarters, with a net profit margin of -13.5%.
Looking at the long-term picture, WLK's historical earnings data spans multiple years. The company achieved its highest annual net income of $2.25B in fiscal 2022.
Westlake Corporation is currently reporting a net loss, though operating performance should be evaluated in the context of growth investments and industry dynamics View revenue history →
Compared to peers including OLN (-$127M net income, -0.6% margin), LYB (-$774M net income, -2.5% margin), HUN (-$324M net income, -4.8% margin), WLK has room to improve margins relative to the peer group. Compare WLK vs OLN →
WLK Earnings vs Peers
Earnings metrics vs comparable public companies
WLK Historical Earnings Data (1999–2025)
26 years| Fiscal Year | Net Income | YoY % | Operating Income | EPS (Diluted) | Net Margin | Op. Margin |
|---|---|---|---|---|---|---|
| 2025 | -$1.51B | -350.5% | -$1.58B | $-11.73 | -13.5% | -14.1% |
| 2024 | $602M | +25.7% | $875M | $4.64 | 5.0% | 7.2% |
| 2023 | $479M | -78.7% | $729M | $3.70 | 3.8% | 5.8% |
| 2022 | $2.25B | +11.5% | $3.05B | $17.35 | 14.2% | 19.3% |
| 2021 | $2.02B | +510.6% | $2.80B | $15.58 | 17.1% | 23.8% |
| 2020 | $330M | -21.6% | $429M | $2.57 | 4.4% | 5.7% |
| 2019 | $421M | -57.7% | $656M | $3.25 | 5.2% | 8.1% |
| 2018 | $996M | -23.6% | $1.41B | $7.66 | 11.5% | 16.3% |
| 2017 | $1.30B | +226.8% | $1.23B | $10.00 | 16.2% | 15.2% |
| 2016 | $399M | -38.2% | $583M | $3.06 | 7.9% | 11.5% |
| 2015 | $646M | -4.8% | $960M | $4.86 | 14.5% | 21.5% |
| 2014 | $679M | +11.2% | $1.12B | $5.07 | 15.4% | 25.5% |
| 2013 | $610M | +58.3% | $953M | $4.55 | 16.2% | 25.4% |
| 2012 | $386M | +48.9% | $615M | $2.88 | 10.8% | 17.2% |
| 2011 | $259M | +17.0% | $447M | $1.94 | 7.2% | 12.3% |
| 2010 | $221M | +317.8% | $378M | $1.67 | 7.0% | 11.9% |
| 2009 | $53M | +279.4% | $107M | $0.40 | 2.3% | 4.6% |
| 2008 | -$30M | -125.8% | -$30M | $-0.23 | -0.8% | -0.8% |
| 2007 | $115M | -41.0% | $175M | $0.88 | 3.6% | 5.5% |
| 2006 | $195M | -14.2% | $313M | $1.49 | 7.8% | 12.6% |
| 2005 | $227M | +87.9% | $367M | $1.74 | 9.3% | 15.0% |
| 2004 | $121M | +718.1% | $243M | $1.09 | 6.1% | 12.2% |
| 2003 | $15M | +308.9% | $66M | $0.15 | 1.0% | 4.6% |
| 2002 | -$7M | -112.8% | $14M | $-0.07 | -0.7% | 1.3% |
| 2000 | $55M | +45.5% | $126M | $0.56 | 4.0% | 9.1% |
| 1999 | $38M | - | $115M | $0.38 | 3.6% | 10.9% |
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WLK — Frequently Asked Questions
Quick answers to the most common questions about buying WLK stock.
What is WLK earnings per share (EPS)?
WLK trailing twelve-month (TTM) diluted EPS is $-12.79, reflecting -352.8% year-over-year growth. The 5-year EPS CAGR is N/A. Complete EPS history from 1999 to 2025 is available in the table on this page.
What is Westlake Corporation's net income?
Westlake Corporation (WLK) trailing twelve-month net income is $-1.6B as of 2025. Earnings declined -352.8% year-over-year.
Is WLK profitable?
WLK is not currently profitable on a TTM basis, reporting a net loss of $-1.6B. Net margin is -13.5%. Investors should monitor for a return to profitability.
What is WLK's earnings growth rate?
WLK compound annual EPS growth rates (CAGR): 1-Year: N/A, 3-Year: N/A, 5-Year: N/A, 10-Year: N/A. These figures measure the annualised rate of diluted EPS growth over each period, based on data from 1999 to 2025.
What are WLK's profit margins?
Westlake Corporation net profit margin is -13.5%, operating margin is -14.1%, and gross margin is +2.6%. Below-average margins reflect competitive or cost pressures. Return on Equity is -14.8%.
Is WLK growing earnings?
WLK earnings are declining — EPS fell -352.8% year-over-year. TTM net income dropped to $-1.6B. This contrasts with the 5-year CAGR of N/A.
What was WLK's best earnings year?
Westlake Corporation's highest annual net income on record is $2.2B, achieved in fiscal year 2022. Earnings history on this page spans 1999 to 2025 and includes all annual and quarterly figures.
What were WLK's earnings last quarter?
WLK's most recent reported quarter was Q1 2026. Net income was $-169M with diluted EPS of $-1.31. For a full breakdown of all quarters, see the quarterly earnings table on this page.