WLK
$63.33-0.44%
Westlake Corporation monthly returns
Westlake Corporation has averaged 1.26% per month, positive in 53% of months. Month-by-month returns for Westlake Corporation (WLK) below, through October 16, 2026 — the table lists the most recent months; the bar chart plots the last 5 years.
Average month
+1.3%
262 months
Best month
+45.3%
Jan 2012
Worst month
-31.7%
Mar 2020
Positive months
53%
of all months
Westlake Corporation monthly returns#
| Month | Path | Total return |
|---|---|---|
| Oct 2026 | +1.6% | |
| Sep 2026 | -17.0% | |
| Aug 2026 | +7.2% | |
| Jul 2026 | -3.4% | |
| Jun 2026 | -15.9% | |
| May 2026 | -24.2% | |
| Apr 2026 | -1.3% | |
| Mar 2026 | +11.4% | |
| Feb 2026 | +32.9% | |
| Jan 2026 | +7.3% | |
| Dec 2025 | +10.7% | |
| Nov 2025 | -2.1% | |
| Oct 2025 | -10.7% | |
| Sep 2025 | -12.3% | |
| Aug 2025 | +11.5% | |
| Jul 2025 | +4.4% | |
| Jun 2025 | +6.9% | |
| May 2025 | -22.6% | |
| Apr 2025 | -7.6% | |
| Mar 2025 | -10.5% | |
| Feb 2025 | -1.7% | |
| Jan 2025 | -0.3% | |
| Dec 2024 | -10.7% | |
| Nov 2024 | -2.3% | |
| Oct 2024 | -12.2% | |
| Sep 2024 | +3.3% | |
| Aug 2024 | -1.3% | |
| Jul 2024 | +2.1% | |
| Jun 2024 | -9.8% | |
| May 2024 | +9.3% | |
| Apr 2024 | -3.6% | |
| Mar 2024 | +10.2% | |
| Feb 2024 | +0.6% | |
| Jan 2024 | -1.2% | |
| Dec 2023 | +9.0% | |
| Nov 2023 | +11.7% | |
| Oct 2023 | -7.5% | |
| Sep 2023 | -4.8% | |
| Aug 2023 | -4.4% | |
| Jul 2023 | +15.1% | |
| Jun 2023 | +14.9% | |
| May 2023 | -8.4% | |
| Apr 2023 | -1.9% | |
| Mar 2023 | -2.7% | |
| Feb 2023 | -2.7% | |
| Jan 2023 | +19.7% | |
| Dec 2022 | -4.7% | |
| Nov 2022 | +11.8% | |
| Oct 2022 | +11.2% | |
| Sep 2022 | -11.9% | |
| Aug 2022 | +1.7% | |
| Jul 2022 | -0.7% | |
| Jun 2022 | -25.8% | |
| May 2022 | +4.6% | |
| Apr 2022 | +2.6% | |
| Mar 2022 | +11.9% | |
| Feb 2022 | +12.1% | |
| Jan 2022 | +1.6% | |
| Dec 2021 | +4.5% | |
| Nov 2021 | -4.2% | |
| Oct 2021 | +6.8% | |
| Sep 2021 | +4.3% | |
| Aug 2021 | +5.7% | |
| Jul 2021 | -8.0% | |
| Jun 2021 | -10.7% | |
| May 2021 | +7.7% | |
| Apr 2021 | +5.7% | |
| Mar 2021 | +4.1% | |
| Feb 2021 | +11.9% | |
| Jan 2021 | -6.3% | |
| Dec 2020 | +8.6% | |
| Nov 2020 | +11.5% | |
| Oct 2020 | +7.0% | |
| Sep 2020 | +6.6% | |
| Aug 2020 | +9.4% | |
| Jul 2020 | +1.6% | |
| Jun 2020 | +12.5% | |
| May 2020 | +10.4% | |
| Apr 2020 | +13.8% | |
| Mar 2020 | -31.7% | |
| Feb 2020 | -8.3% | |
| Jan 2020 | -12.8% | |
| Dec 2019 | +2.1% | |
| Nov 2019 | +9.1% | |
| Oct 2019 | -3.6% | |
| Sep 2019 | +11.8% | |
| Aug 2019 | -12.9% | |
| Jul 2019 | -2.7% | |
| Jun 2019 | +21.2% | |
| May 2019 | -17.5% | |
| Apr 2019 | +2.8% | |
| Mar 2019 | -2.9% | |
| Feb 2019 | -5.1% | |
| Jan 2019 | +11.7% | |
| Dec 2018 | -8.7% | |
| Nov 2018 | +2.0% | |
| Oct 2018 | -14.2% | |
| Sep 2018 | -12.1% | |
| Aug 2018 | -11.6% | |
| Jul 2018 | -0.4% | |
| Jun 2018 | -7.0% | |
| May 2018 | +8.4% | |
| Apr 2018 | -3.8% | |
| Mar 2018 | +2.7% | |
| Feb 2018 | -3.7% | |
| Jan 2018 | +5.7% | |
| Dec 2017 | +8.8% | |
| Nov 2017 | +15.6% | |
| Oct 2017 | +2.2% | |
| Sep 2017 | +8.0% | |
| Aug 2017 | +9.6% | |
| Jul 2017 | +6.3% | |
| Jun 2017 | +7.7% | |
| May 2017 | -1.0% | |
| Apr 2017 | -5.8% | |
| Mar 2017 | +4.1% | |
| Feb 2017 | +2.8% | |
| Jan 2017 | +10.6% | |
| Dec 2016 | -5.4% | |
| Nov 2016 | +14.6% |
Monthly total return (since Nov 2021)#
-30%-20%-10%0%10%20%30%
Nov 2021-4.2%
Dec 2021+4.5%
Jan 2022+1.6%2022
Feb 2022+12%
Mar 2022+12%
Apr 2022+2.6%
May 2022+4.6%
Jun 2022-26%
Jul 2022-0.69%
Aug 2022+1.7%
Sep 2022-12%
Oct 2022+11%
Nov 2022+12%
Dec 2022-4.7%
Jan 2023+20%2023
Feb 2023-2.7%
Mar 2023-2.7%
Apr 2023-1.9%
May 2023-8.4%
Jun 2023+15%
Jul 2023+15%
Aug 2023-4.4%
Sep 2023-4.8%
Oct 2023-7.5%
Nov 2023+12%
Dec 2023+9.0%
Jan 2024-1.2%2024
Feb 2024+0.63%
Mar 2024+10%
Apr 2024-3.6%
May 2024+9.3%
Jun 2024-9.8%
Jul 2024+2.1%
Aug 2024-1.3%
Sep 2024+3.3%
Oct 2024-12%
Nov 2024-2.3%
Dec 2024-11%
Jan 2025-0.33%2025
Feb 2025-1.7%
Mar 2025-10%
Apr 2025-7.6%
May 2025-23%
Jun 2025+6.9%
Jul 2025+4.4%
Aug 2025+11%
Sep 2025-12%
Oct 2025-11%
Nov 2025-2.1%
Dec 2025+11%
Jan 2026+7.3%2026
Feb 2026+33%
Mar 2026+11%
Apr 2026-1.3%
May 2026-24%
Jun 2026-16%
Jul 2026-3.4%
Aug 2026+7.2%
Sep 2026-17%
Oct 2026+1.6%
Westlake Corporation returns by calendar month#
Every month of every year since 2005, one tick per year on a shared scale; the dark bar is the month's average. Total returns, dividends reinvested.
October 2026 so far: +1.64% — 11th of 22 Octobers since 2005 at the last close; the average October returned -0.4%.
| Month | −50%0+50% | Average | Median | Up | Best | Worst |
|---|---|---|---|---|---|---|
| Jan | +2.0% | +0.6% | 50% | +45.3% 2012 | -17.6% 2010 | |
| Feb | +2.7% | -0.4% | 50% | +32.9% 2026 | -19.9% 2008 | |
| Mar | +2.6% | +4.1% | 64% | +27.7% 2010 | -31.7% 2020 | |
| Apr | +3.2% | +2.7% | 55% | +28.0% 2008 | -18.9% 2005 | |
| May | -3.5% | -2.4% | 45% | +13.7% 2014 | -24.5% 2010 | |
| Jun | -2.0% | -2.7% | 41% | +21.2% 2019 | -25.8% 2022 | |
| Jul | +5.5% | +3.2% | 59% | +33.2% 2010 | -11.2% 2007 | |
| Aug | +2.1% | +5.4% | 59% | +16.2% 2012 | -12.9% 2005 | |
| Sep | -0.9% | +3.3% | 55% | +15.5% 2010 | -25.4% 2011 | |
| Oct | -0.4% | -1.4% | 48% | +20.2% 2011 | -18.5% 2014 | |
| Nov | +3.1% | +2.1% | 62% | +18.3% 2010 | -19.2% 2007 | |
| Dec | +0.8% | -3.5% | 48% | +15.1% 2010 | -10.7% 2024 |
Methodology#
Monthly returns are total returns (dividends reinvested), computed from WLK's split- and dividend-adjusted month-end closes. The table shows the most recent 120 months and the bar chart the most recent 60. See the year-by-year returns for the annual view. Past performance does not predict future returns; not investment advice.
FAQ#
- What is Westlake Corporation's average monthly return?
- Westlake Corporation (WLK) has averaged about 1.26% per month, positive in roughly 53% of months. The best month was Jan 2012 (+45.3%) and the worst was Mar 2020 (-31.7%).
More on Westlake Corporation
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