WLK Pre-Tax Margin - WESTLAKE CORP

Complete source-backed pre-tax margin history.

Available history: 2013-12-31 to 2026-06-30
Data captured: 2026-09-04

Historical Pre-Tax Margin

Date	Pre-Tax Margin
2026-06-30	10.33%
2026-03-31	-7.16%
2025-12-31	-26.17%
2025-09-30	-27.31%
2025-06-30	-4.23%
2025-03-31	-1.19%
2024-12-31	3.38%
2024-09-30	5.94%
2024-06-30	13.22%
2024-03-31	7.83%
2023-12-31	-19.75%
2023-09-30	11.72%
2023-06-30	11.60%
2023-03-31	15.38%
2022-12-31	9.25%
2022-09-30	12.54%
2022-06-30	25.61%
2022-03-31	24.58%
2021-12-31	24.09%
2021-09-30	26.61%
2021-06-30	24.27%
2021-03-31	13.79%
2020-12-31	7.94%
2020-09-30	2.85%
2020-06-30	0.29%
2020-03-31	6.00%
2019-12-31	3.88%
2019-09-30	10.45%
2019-06-30	7.84%
2019-03-31	5.58%
2018-12-31	8.82%
2018-09-30	17.34%
2018-06-30	17.05%
2018-03-31	17.95%
2017-12-31	16.17%
2017-09-30	15.55%
2017-06-30	11.47%
2017-03-31	10.34%
2016-12-31	6.57%
2016-09-30	4.96%
2016-06-30	16.78%
2016-03-31	20.33%
2015-12-31	17.97%
2015-09-30	20.91%
2015-06-30	26.03%
2015-03-31	20.73%
2014-12-31	25.18%
2014-09-30	23.51%
2014-06-30	26.22%
2014-03-31	23.49%

Annual Pre-Tax Margin

Date	Pre-Tax Margin
2025-12-31	-14.30%
2024-12-31	7.73%
2023-12-31	5.58%
2022-12-31	18.65%
2021-12-31	22.73%
2020-12-31	4.41%
2019-12-31	7.02%
2018-12-31	15.45%
2017-12-31	13.44%
2016-12-31	10.99%
2015-12-31	21.58%
2014-12-31	24.55%
2013-12-31	25.06%