WLK Gross Margin - WESTLAKE CORP

Complete source-backed gross margin history.

Available history: 2009-12-31 to 2026-06-30
Data captured: 2026-09-04

Historical Gross Margin

Date	Gross Margin
2026-06-30	19.93%
2026-03-31	4.22%
2025-12-31	3.43%
2025-09-30	8.32%
2025-06-30	8.74%
2025-03-31	8.15%
2024-12-31	11.54%
2024-09-30	16.01%
2024-06-30	20.70%
2024-03-31	15.66%
2023-12-31	7.04%
2023-09-30	18.81%
2023-06-30	19.75%
2023-03-31	23.60%
2022-12-31	17.19%
2022-09-30	19.62%
2022-06-30	32.23%
2022-03-31	31.68%
2021-12-31	31.25%
2021-09-30	33.32%
2021-06-30	30.50%
2021-03-31	21.60%
2020-12-31	16.44%
2020-09-30	13.07%
2020-06-30	9.89%
2020-03-31	14.65%
2019-12-31	13.28%
2019-09-30	17.96%
2019-06-30	15.86%
2019-03-31	14.77%
2018-12-31	17.74%
2018-09-30	23.90%
2018-06-30	24.70%
2018-03-31	25.21%
2017-12-31	24.67%
2017-09-30	23.52%
2017-06-30	20.36%
2017-03-31	18.84%
2016-12-31	16.36%
2016-09-30	15.80%
2016-06-30	22.22%
2016-03-31	26.21%
2015-12-31	23.92%
2015-09-30	26.20%
2015-06-30	29.80%
2015-03-31	25.79%
2014-12-31	31.94%
2014-09-30	28.85%
2014-06-30	30.64%
2014-03-31	27.93%
2013-12-31	31.07%
2013-09-30	30.32%
2013-06-30	29.12%
2013-03-31	26.35%
2012-12-31	23.75%
2012-09-30	20.97%
2012-06-30	22.09%
2012-03-31	16.68%
2011-12-31	8.99%
2011-09-30	15.19%
2011-06-30	18.06%
2011-03-31	19.32%
2010-12-31	20.63%
2010-09-30	17.30%
2010-06-30	15.40%

Annual Gross Margin

Date	Gross Margin
2025-12-31	7.28%
2024-12-31	16.12%
2023-12-31	17.68%
2022-12-31	25.79%
2021-12-31	29.67%
2020-12-31	13.63%
2019-12-31	15.52%
2018-12-31	23.01%
2017-12-31	21.90%
2016-12-31	19.37%
2015-12-31	26.55%
2014-12-31	29.84%
2013-12-31	29.30%
2012-12-31	20.64%
2011-12-31	15.44%
2010-12-31	15.22%
2009-12-31	8.39%