Westlake Corporation (WLK) Free cash flow
- Free cash flow · 12 months (USD): Value $-265.00M; Formula and calculation Operating cash flow minus capital spending; distinct from the saved levered FCF quote figure. Period ending 2026-06-30..
- Price / free cash flow · 12 months: Value (m); Formula and calculation Market cap / trailing-year free cash flow; inverse of FCF yield before percent scaling. Period ending 2026-06-30..
- Free cash flow yield · 12 months: Value (m); Formula and calculation (Operating cash flow − capital spending) / current market cap. Period ending 2026-06-30..
- Free cash flow margin · 12 months: Value -2.35%; Formula and calculation (Operating cash flow − capital spending) / revenue. Period ending 2026-06-30..
Free cash flow
Overview →Financial period ending 2026-06-30; current quote (m). Amounts retain their stated periods and units.
| Metric | Value | Formula and calculation |
|---|---|---|
| Free cash flow · 12 months (USD) | $-265.00M | Operating cash flow minus capital spending; distinct from the saved levered FCF quote figure. Period ending 2026-06-30. $631.00M − $896.00M ≈ $-265.00M |
| Price / free cash flow · 12 months | (m) | Market cap / trailing-year free cash flow; inverse of FCF yield before percent scaling. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Free cash flow yield · 12 months | (m) | (Operating cash flow − capital spending) / current market cap. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Free cash flow margin · 12 months | -2.35% | (Operating cash flow − capital spending) / revenue. Period ending 2026-06-30. $-265.00M ÷ $11.29B × 100 ≈ -2.35% |
| Free cash flow per share · 12 months | (m) | (Trailing-year operating cash flow − capital spending) / reported quarter-end common shares. Period ending 2026-06-30. Calculation unavailable: missing inputs remain (m). |
| Operating cash flow · 12 months | $631.00M | Cash generated by operating activities. Period ending 2026-06-30. |
| Operating cash flow / net income · 12 months | -0.51× | Operating cash flow / net income. Period ending 2026-06-30. $631.00M ÷ $-1.24B ≈ -0.51× |
Calculation inputs
| Input | Amount with unit | Raw financial data |
|---|---|---|
| Operating cash flow | 631.00M USD | Net Cash Provided by (Used in) Operating Activities |
| Capital spending | 896.00M USD | Payments to Acquire Property, Plant, and Equipment |
| Market cap | (m) | |
| Free cash flow | -265.00M USD | Net Cash Provided by (Used in) Operating Activities · Payments to Acquire Property, Plant, and Equipment |
| Revenue | 11.29B USD | |
| Quarter-end shares | (m) | Common Stock, Shares, Outstanding |
| Net income | -1.24B USD | Net Income (Loss) Attributable to Parent |
Calculated history
Changes compare with the next older row (previous quarter), unless explicitly labeled otherwise. Rolling 12-month growth compares two successive quarter-end rolling totals; it is not year-over-year growth.
| Period ending | Free cash flow | FCF per share | Operating cash flow | Capital spending (USD) | Market cap (USD) | Revenue (USD) | Quarter-end shares (shares) | Net income (USD) | Price / FCF | FCF yield | FCF margin | Cash conversion |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026-06-30 | $-265.00M | (m) | $631.00M | $896.00M | (m) | $11.29B | (m) | $-1.24B | (m) | (m) | -2.35% | -0.51× |
| 2026-03-31 | $-508.00M | (m) | $448.00M | $956.00M | (m) | $10.98B | (m) | $-1.64B | (m) | (m) | -4.63% | -0.27× |
| 2025-12-31 | $-530.00M | (m) | $465.00M | $995.00M | (m) | $11.17B | (m) | $-1.51B | (m) | (m) | -4.74% | -0.31× |
| 2025-09-30 | $-365.00M | (m) | $674.00M | $1.04B | (m) | $11.48B | (m) | $-957.00M | (m) | (m) | -3.18% | -0.70× |
| 2025-06-30 | $-54.00M | (m) | $966.00M | $1.02B | (m) | $11.76B | (m) | $-67.00M | (m) | (m) | -0.46% | -14.42× |
| 2025-03-31 | $84.00M | (m) | $1.07B | $984.00M | (m) | $12.01B | (m) | $388.00M | (m) | (m) | 0.70% | 2.75× |
| 2024-12-31 | $306.00M | (m) | $1.31B | $1.01B | (m) | $12.14B | (m) | $602.00M | (m) | (m) | 2.52% | 2.18× |
| 2024-09-30 | $448.00M | (m) | $1.45B | $1.00B | (m) | $12.13B | (m) | $98.00M | (m) | (m) | 3.69% | 14.83× |
| 2024-06-30 | $645.00M | (m) | $1.68B | $1.03B | (m) | $12.12B | (m) | $275.00M | (m) | (m) | 5.32% | 6.09× |
| 2024-03-31 | $954.00M | (m) | $1.99B | $1.04B | (m) | $12.17B | (m) | $259.00M | (m) | (m) | 7.84% | 7.69× |
| 2023-12-31 | $1.30B | (m) | $2.34B | $1.03B | (m) | $12.55B | (m) | $479.00M | (m) | (m) | 10.38% | 4.88× |
| 2023-09-30 | $1.55B | (m) | $2.60B | $1.05B | (m) | $13.02B | (m) | $1.21B | (m) | (m) | 11.90% | 2.15× |
| 2023-06-30 | $1.73B | (m) | $2.85B | $1.12B | (m) | $13.86B | (m) | $1.32B | (m) | (m) | 12.46% | 2.15× |
| 2023-03-31 | $2.10B | (m) | $3.21B | $1.11B | (m) | $15.09B | (m) | $1.89B | (m) | (m) | 13.88% | 1.70× |
| 2022-12-31 | $2.29B | (m) | $3.40B | $1.11B | (m) | $15.79B | (m) | $2.25B | (m) | (m) | 14.48% | 1.51× |
| 2022-09-30 | $2.26B | (m) | $3.32B | $1.05B | (m) | $16.00B | (m) | $2.66B | (m) | (m) | 14.14% | 1.25× |
| 2022-06-30 | $2.24B | (m) | $3.13B | $881.00M | (m) | $15.10B | (m) | $2.87B | (m) | (m) | 14.86% | 1.09× |
| 2022-03-31 | $2.05B | (m) | $2.83B | $780.00M | (m) | $13.48B | (m) | $2.53B | (m) | (m) | 15.20% | 1.12× |
| 2021-12-31 | $1.74B | (m) | $2.39B | $658.00M | (m) | $11.78B | (m) | $2.02B | (m) | (m) | 14.74% | 1.19× |
| 2021-09-30 | $1.53B | (m) | $2.07B | $536.00M | (m) | $10.24B | (m) | $1.48B | (m) | (m) | 14.97% | 1.39× |
| 2021-06-30 | $1.17B | (m) | $1.67B | $504.00M | (m) | $9.08B | (m) | $934.00M | (m) | (m) | 12.84% | 1.79× |
| 2021-03-31 | $999.00M | (m) | $1.50B | $502.00M | (m) | $7.93B | (m) | $427.00M | (m) | (m) | 12.60% | 3.52× |
| 2020-12-31 | $772.00M | (m) | $1.30B | $525.00M | (m) | $7.50B | (m) | $330.00M | (m) | (m) | 10.29% | 3.93× |
| 2020-09-30 | $613.00M | (m) | $1.20B | $586.00M | (m) | $7.42B | (m) | $289.00M | (m) | (m) | 8.26% | 4.15× |
| 2020-06-30 | $676.00M | (m) | $1.34B | $667.00M | (m) | $7.59B | (m) | $390.00M | (m) | (m) | 8.91% | 3.44× |
| 2020-03-31 | $467.00M | (m) | $1.22B | $748.00M | (m) | $8.03B | (m) | $494.00M | (m) | (m) | 5.82% | 2.46× |
| 2019-12-31 | $514.00M | (m) | $1.30B | $787.00M | (m) | $8.12B | (m) | $421.00M | (m) | (m) | 6.33% | 3.09× |
| 2019-09-30 | $423.00M | (m) | $1.22B | $799.00M | (m) | $8.23B | (m) | $472.00M | (m) | (m) | 5.14% | 2.59× |
| 2019-06-30 | $526.00M | (m) | $1.33B | $801.00M | (m) | $8.42B | (m) | $622.00M | (m) | (m) | 6.25% | 2.13× |
| 2019-03-31 | $580.00M | (m) | $1.33B | $751.00M | (m) | $8.51B | (m) | $781.00M | (m) | (m) | 6.82% | 1.70× |
| 2018-12-31 | $707.00M | (m) | $1.41B | $702.00M | (m) | $8.63B | (m) | $996.00M | (m) | (m) | 8.19% | 1.41× |
| 2018-09-30 | $1.06B | (m) | $1.73B | $670.00M | (m) | (m) | (m) | $1.68B | (m) | (m) | (m) | 1.03× |
| 2018-06-30 | $999.00M | (m) | $1.61B | $608.00M | (m) | $8.50B | (m) | $1.58B | (m) | (m) | 11.75% | 1.02× |
| 2018-03-31 | $1.01B | (m) | $1.61B | $597.00M | (m) | $8.25B | (m) | $1.45B | (m) | (m) | 12.23% | 1.11× |
| 2017-12-31 | $961.00M | (m) | $1.54B | $577.00M | (m) | $8.04B | (m) | $1.30B | (m) | (m) | 11.95% | 1.18× |
| 2017-09-30 | $676.93M | (m) | $1.25B | $575.42M | (m) | (m) | (m) | $600.79M | (m) | (m) | (m) | 2.08× |
| 2017-06-30 | $321.45M | (m) | $943.67M | $622.23M | (m) | (m) | (m) | $455.62M | (m) | (m) | (m) | 2.07× |
| 2017-03-31 | $235.87M | (m) | $862.31M | $626.44M | (m) | (m) | (m) | $413.92M | (m) | (m) | (m) | 2.08× |
| 2016-12-31 | $205.37M | (m) | $833.85M | $628.48M | (m) | (m) | (m) | $398.86M | (m) | (m) | (m) | 2.09× |
| 2016-09-30 | $152.18M | (m) | $781.70M | $629.52M | (m) | (m) | (m) | $410.88M | (m) | (m) | (m) | 1.90× |
| 2016-06-30 | $438.72M | (m) | $1.01B | $574.65M | (m) | (m) | (m) | $528.83M | (m) | (m) | (m) | 1.92× |
| 2016-03-31 | $485.28M | (m) | $1.02B | $531.93M | (m) | (m) | (m) | $622.80M | (m) | (m) | (m) | 1.63× |
| 2015-12-31 | $587.41M | (m) | $1.08B | $491.43M | (m) | (m) | (m) | $646.01M | (m) | (m) | (m) | 1.67× |
| 2015-09-30 | $648.39M | (m) | $1.10B | $449.16M | (m) | (m) | (m) | $718.33M | (m) | (m) | (m) | 1.53× |
| 2015-06-30 | $617.36M | (m) | $1.04B | $418.13M | (m) | (m) | (m) | $702.49M | (m) | (m) | (m) | 1.47× |
| 2015-03-31 | $594.24M | (m) | $1.01B | $416.19M | (m) | (m) | (m) | $666.83M | (m) | (m) | (m) | 1.52× |
| 2014-12-31 | $601.27M | (m) | $1.03B | $431.10M | (m) | (m) | (m) | $678.52M | (m) | (m) | (m) | 1.52× |
| 2014-09-30 | $489.24M | (m) | $981.35M | $492.12M | (m) | (m) | (m) | $666.20M | (m) | (m) | (m) | 1.47× |
| 2014-06-30 | $331.23M | (m) | $929.49M | $598.26M | (m) | (m) | (m) | $668.74M | (m) | (m) | (m) | 1.39× |
| 2014-03-31 | $209.80M | (m) | $848.98M | $639.18M | (m) | (m) | (m) | $645.11M | (m) | (m) | (m) | 1.32× |
| 2013-12-31 | $73.51M | (m) | $752.73M | $679.22M | (m) | (m) | (m) | $610.42M | (m) | (m) | (m) | 1.23× |
| 2013-09-30 | $29.01M | (m) | $678.72M | $649.71M | (m) | $3.61B | (m) | $534.73M | (m) | (m) | 0.80% | 1.27× |
| 2013-06-30 | $19.20M | (m) | $563.39M | $544.19M | (m) | $3.43B | (m) | $451.40M | (m) | (m) | 0.56% | 1.25× |
| 2013-03-31 | $161.97M | (m) | $634.73M | $472.76M | (m) | $3.40B | (m) | $421.09M | (m) | (m) | 4.76% | 1.51× |
| 2012-12-31 | $237.17M | (m) | $624.05M | $386.88M | (m) | $3.57B | (m) | $385.56M | (m) | (m) | 6.64% | 1.62× |
| 2012-09-30 | $318.08M | (m) | $618.57M | $300.48M | (m) | $3.63B | (m) | $316.72M | (m) | (m) | 8.76% | 1.95× |
| 2012-06-30 | $311.37M | (m) | $559.61M | $248.23M | (m) | $3.78B | (m) | $297.69M | (m) | (m) | 8.25% | 1.88× |
| 2012-03-31 | $218.76M | (m) | $431.69M | $212.94M | (m) | $3.79B | (m) | $263.24M | (m) | (m) | 5.78% | 1.64× |
| 2011-12-31 | $185.45M | (m) | $362.30M | $176.84M | (m) | $3.62B | (m) | $258.97M | (m) | (m) | 5.12% | 1.40× |
| 2011-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2011-03-31 | (m) | (m) | (m) | (m) | (m) | $3.26B | (m) | $287.29M | (m) | (m) | (m) | (m) |
| 2010-12-31 | $202.01M | (m) | $283.28M | $81.27M | (m) | $3.17B | (m) | $221.39M | (m) | (m) | 6.37% | 1.28× |
| 2010-09-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2010-06-30 | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) | (m) |
| 2009-12-31 | $135.75M | (m) | $235.52M | $99.77M | (m) | $2.33B | (m) | $52.99M | (m) | (m) | 5.84% | 4.44× |
(m) means missing inputs. Historical market-based ratios use the saved close on or immediately before period ending and that period’s reported shares; current quotes are not substituted. Five-year projections repeat historical CAGR, not analyst forecasts.
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