WESTLAKE CORP Operating Income Loss

• WESTLAKE CORP showed a decrease of -280.3% in Operating Income Loss from 2024 to 2025.
• This data is from WESTLAKE CORP's annual report (Form 10-K), filed with the SEC on February 26, 2026.
• XBRL data for this metric is available from 2009 to 2025 (17 years of filings). Earlier data may not exist in machine-readable XBRL format as companies adopted electronic filing at different times.
• Over the full 17 years of available data (2009 to 2025), WESTLAKE CORP's Operating Income Loss has declined by 1,571.2%.
• Historical annual values: Fiscal year 2025: -$1.58 billion | Fiscal year 2024: $875.00 million | Fiscal year 2023: $729.00 million | Fiscal year 2022: $3.05 billion | Fiscal year 2021: $2.80 billion | Fiscal year 2020: $429.00 million | Fiscal year 2019: $656.00 million | Fiscal year 2018: $1.41 billion | Fiscal year 2017: $1.23 billion | Fiscal year 2016: $583.00 million | Fiscal year 2015: $960.00 million | Fiscal year 2014: $1.12 billion | Fiscal year 2013: $953.46 million | Fiscal year 2012: $615.35 million | Fiscal year 2011: $446.80 million | Fiscal year 2010: $378.36 million | Fiscal year 2009: $107.26 million.
• Data sourced from SEC EDGAR public filings as of June 22, 2026.

Last verified: June 22, 2026