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WLK
$63.33-0.44%
as of close, Oct 16, 2026
☾ AH $63.33 -0.44%
Westlake CorporationStock · MaterialsRussell 1000 0.003%Russell 3000 0.003%US Stock Market 0.003%
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Westlake Corporation total returns by year (including dividends)

As of market close, Oct 16, 2026

Westlake Corporation total returns by year (2005–2026)#

Westlake Corporation annual returns by year
YearTotal return
2026YTD
-12.8%
2025
-33.8%
2024
-16.9%
2023
+38.4%
2022
+6.8%
2021
+20.5%
2020
+18.5%
2019
+7.7%
2018
-37.3%
2017
+92.4%
2016
+4.7%
2015
-10.1%
2014
+0.8%
2013
+55.2%
2012
+109.1%
2011
-6.9%
2010
+76.0%
2009
+54.5%
2008
-13.5%
2007
-39.0%
2006
+9.3%
2005
-13.4%
Annualized
+10.9%
2005–2026
Average year
+15.4%
21 full years
Best year
+109.1%
2012
Worst year
-39.0%
2007
Positive years
13/21
62% up

Total return by period#

Annual

Methodology#

Total returns, dividends reinvested, measured on WLK. Annualized return is the compound annual growth rate; the current year is year-to-date. Past performance does not predict future returns.

FAQ#

What is Westlake Corporation's average annual return?
Since 2005, Westlake Corporation (WLK) has returned about 10.9% a year (the compound annual growth rate) and an average calendar-year return of 15.4%.
What were Westlake Corporation's best and worst years?
Over 2005–2026, the best year was 2012 (+109.1%) and the worst was 2007 (-39.0%).
How often is Westlake Corporation up in a year?
13 of the 21 full years since 2005 were positive — about 62% of the time.

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