WLKP Operating Margin - Westlake Chemical Partners LP

Complete source-backed operating margin history.

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

Historical Operating Margin

Date	Operating Margin
2026-06-30	29.39%
2026-03-31	28.32%
2025-12-31	27.78%
2025-09-30	29.78%
2025-06-30	30.71%
2025-03-31	19.61%
2024-12-31	31.73%
2024-09-30	39.60%
2024-06-30	32.95%
2024-03-31	33.41%
2023-12-31	31.22%
2023-09-30	26.81%
2023-06-30	30.47%
2023-03-31	195.51%
2022-12-31	216.68%
2022-09-30	160.90%
2022-06-30	104.43%
2022-03-31	115.99%
2021-12-31	1124.69%
2021-09-30	147.87%
2021-06-30	151.05%
2021-03-31	163.26%
2020-12-31	445.29%
2020-09-30	662.65%
2020-06-30	35.17%
2020-03-31	38.86%
2019-12-31	-14.40%
2019-09-30	34.57%
2019-06-30	31.22%
2019-03-31	27.98%
2018-12-31	25.75%
2018-09-30	24.20%
2018-06-30	29.72%
2018-03-31	30.03%
2017-12-31	33.37%
2017-09-30	29.85%
2017-06-30	31.95%
2017-03-31	32.49%
2016-12-31	33.54%
2016-09-30	35.32%
2016-06-30	39.14%
2016-03-31	41.30%
2015-12-31	37.13%
2015-09-30	35.52%
2015-06-30	35.17%
2015-03-31	34.92%
2014-12-31	34.91%
2014-09-30	39.83%
2014-06-30	45.86%
2013-06-30	44.09%

Annual Operating Margin

Date	Operating Margin
2025-12-31	27.39%
2024-12-31	34.37%
2023-12-31	30.04%
2022-12-31	138.94%
2021-12-31	218.14%
2020-12-31	450.10%
2019-12-31	227.01%
2018-12-31	27.19%
2017-12-31	31.92%
2016-12-31	37.14%
2015-12-31	35.68%
2014-12-31	40.95%