Operating Expenses

$288.00M

Quarterly · Period ending: Jun 30, 2026 · USD

WLK Operating Expenses

Latest reported$288.00Mperiod endingJun 30, 2026

WLK Quarterly Operating Expenses ($349.28M → $288.00M)

Quarterly operating expenses

High-resolution chart · PNG

WLK operating expenses history

Quarterly · USD. Dates are reporting period ends; fiscal years can differ from calendar years.

Westlake Corporation Common Stock Operating Expenses — Quarterly (USD)
Period ending	Operating Expenses (USD)
Jun 30, 2026	288,000,000
Apr 2, 2026	236,000,000
Dec 31, 2025	234,000,000
Sep 30, 2025	1,002,000,000
Jun 30, 2025	367,000,000
Mar 31, 2025	264,000,000
Dec 31, 2024	262,000,000
Sep 30, 2024	319,000,000
Jun 30, 2024	258,000,000
Mar 31, 2024	243,000,000
Dec 31, 2023	751,000,000
Sep 30, 2023	237,000,000
Jun 30, 2023	246,000,000
Mar 31, 2023	256,000,000
Dec 31, 2022	240,000,000
Sep 30, 2022	260,000,000
Jun 30, 2022	270,000,000
Mar 31, 2022	253,000,000
Dec 31, 2021	223,000,000
Sep 30, 2021	157,000,000
Jun 30, 2021	152,000,000
Mar 31, 2021	163,000,000
Dec 31, 2020	145,000,000
Sep 30, 2020	169,000,000
Jun 30, 2020	133,000,000
Mar 31, 2020	147,000,000
Dec 31, 2019	148,000,000
Sep 30, 2019	145,000,000
Jun 30, 2019	146,000,000
Mar 31, 2019	165,000,000
Dec 31, 2018	147,000,000
Sep 30, 2018	143,000,000
Jun 30, 2018	148,000,000
Mar 31, 2018	141,000,000
Dec 31, 2017	497,971,000
Sep 30, 2017	132,000,000
Jun 30, 2017	139,000,000
Mar 31, 2017	132,000,000
Dec 31, 2016	128,801,000
Sep 30, 2016	155,570,000
Jun 30, 2016	61,428,000
Mar 31, 2016	53,309,000
Dec 31, 2015	55,043,000
Sep 30, 2015	57,248,000
Jun 30, 2015	57,807,000
Mar 31, 2015	55,266,000
Dec 31, 2014	60,462,000
Sep 30, 2014	54,759,000
Jun 30, 2014	39,183,000
Mar 31, 2014	38,955,000
Dec 31, 2013	38,091,000
Sep 30, 2013	37,869,000
Jun 30, 2013	38,260,000
Mar 31, 2013	33,754,000
Dec 31, 2012	34,017,000
Sep 30, 2012	29,662,000
Jun 30, 2012	30,918,000
Mar 31, 2012	27,012,000
Dec 31, 2011	26,801,000
Sep 30, 2011	29,736,000
Jun 30, 2011	28,726,000
Mar 31, 2011	26,947,000
Dec 31, 2010	27,072,000
Sep 30, 2010	27,509,000
Jun 30, 2010	26,487,000
Mar 31, 2010	23,251,000
Dec 31, 2009	23,902,000
Sep 30, 2009	23,515,000
Jun 30, 2009	19,487,000
Mar 31, 2009	20,967,000
Dec 31, 2008	30,180,000
Sep 30, 2008	22,999,000
Jun 30, 2008	22,884,000
Mar 31, 2008	22,845,000
Dec 31, 2007	22,999,000
Sep 30, 2007	26,305,000
Jun 30, 2007	22,152,000
Mar 31, 2007	25,223,000
Dec 31, 2006	22,529,000
Sep 30, 2006	22,165,000
Jun 30, 2006	18,359,000
Mar 31, 2006	20,179,000
Dec 31, 2005	22,604,000
Sep 30, 2005	19,202,000
Jun 30, 2005	16,717,000
Mar 31, 2005	18,075,000
Dec 31, 2004	16,938,000
Sep 30, 2004	15,571,000
Jun 30, 2004	15,618,000
Mar 31, 2004	11,900,000
Jun 30, 2003	349,279,000