Stocks / WLK / Free Cash Flow

Westlake Corporation Free Cash Flow 2009–2025

Westlake Corporation reported $-530.00M of free cash flow for fiscal 2025. That was 273.2% lower than fiscal 2024. Compared with fiscal 2020, the change was -168.7%.

Latest filed value
$-530.00M
One-year change
-273.2%
Change since 2020
-168.7%
Latest period end
2025
Westlake Corporation Free Cash Flow history from 2009 to 2025FY 2009: 135753000FY 2010: 202015000FY 2011: 182092000FY 2012: 225205000FY 2013: 73507000FY 2014: 601272000FY 2015: 588000000FY 2016: 238000000FY 2017: 951000000FY 2018: 707000000FY 2019: 514000000FY 2020: 772000000FY 2021: 1736000000FY 2022: 2287000000FY 2023: 1302000000FY 2024: 306000000FY 2025: -530000000
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearFree Cash FlowChange (YoY)
FY 2025$-530.00M-273.2%
FY 2024$306.00M-76.5%
FY 2023$1.30B-43.1%
FY 2022$2.29B+31.7%
FY 2021$1.74B+124.9%
FY 2020$772.00M+50.2%
FY 2019$514.00M-27.3%
FY 2018$707.00M-25.7%
FY 2017$951.00M+299.6%
FY 2016$238.00M-59.5%
FY 2015$588.00M-2.2%
FY 2014$601.27M+718.0%
FY 2013$73.51M-67.4%
FY 2012$225.21M+23.7%
FY 2011$182.09M-9.9%
FY 2010$202.01M+48.8%
FY 2009$135.75M

Source: Westlake Corporation SEC filings — cash flow statement (10-K). Computed deterministically; refreshed nightly (last updated August 2, 2026). Open WLK 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Westlake Corporation reported $-530.00M of free cash flow for fiscal 2025. That was 273.2% lower than fiscal 2024. Compared with fiscal 2020, the change was -168.7%. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

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Westlake Corporation — frequently asked questions

What is Westlake Corporation's free cash flow?

Westlake Corporation (WLK) reported free cash flow of $-530.00M for fiscal year 2025, per its SEC filings.

Where does this data come from?

Figures are computed from Westlake Corporation's official SEC filings (cash flow statement (10-K)), refreshed nightly. Not investment advice.

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