WLKP Gross Margin - Westlake Chemical Partners LP

Complete source-backed gross margin history.

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

Historical Gross Margin

Date	Gross Margin
2026-06-30	31.91%
2026-03-31	30.67%
2025-12-31	29.97%
2025-09-30	32.19%
2025-06-30	32.83%
2025-03-31	22.76%
2024-12-31	33.99%
2024-09-30	42.22%
2024-06-30	35.62%
2024-03-31	35.89%
2023-12-31	33.87%
2023-09-30	28.91%
2023-06-30	33.21%
2023-03-31	211.28%
2022-12-31	223.17%
2022-09-30	177.96%
2022-06-30	116.29%
2022-03-31	127.45%
2021-12-31	1174.90%
2021-09-30	164.78%
2021-06-30	161.22%
2021-03-31	181.18%
2020-12-31	487.20%
2020-09-30	706.68%
2020-06-30	37.75%
2020-03-31	41.33%
2019-12-31	-15.58%
2019-09-30	37.30%
2019-06-30	34.05%
2019-03-31	30.31%
2018-12-31	27.89%
2018-09-30	25.82%
2018-06-30	32.16%
2018-03-31	32.54%
2017-12-31	35.88%
2017-09-30	32.15%
2017-06-30	34.32%
2017-03-31	35.31%
2016-12-31	35.97%
2016-09-30	37.85%
2016-06-30	41.92%
2016-03-31	43.71%
2015-12-31	39.43%
2015-09-30	37.87%
2015-06-30	37.56%
2015-03-31	37.24%
2014-12-31	37.27%
2014-09-30	42.09%
2014-06-30	47.04%
2013-06-30	45.38%

Annual Gross Margin

Date	Gross Margin
2025-12-31	29.81%
2024-12-31	36.88%
2023-12-31	32.54%
2022-12-31	150.80%
2021-12-31	234.61%
2020-12-31	483.12%
2019-12-31	245.99%
2018-12-31	29.34%
2017-12-31	34.41%
2016-12-31	39.66%
2015-12-31	38.01%
2014-12-31	42.63%