What is the current annual EBITDA of WLK?

As of today, WLK annual EBITDA is $967.00M

What is 1-year change in WLK annual EBITDA?

WLK annual EBITDA is down -53.51% year-over-year

What is 3-year change in WLK annual EBITDA?

WLK annual EBITDA is down -76.64% over the past 3 years

How far is WLK annual EBITDA from its all-time high?

WLK annual EBITDA is currently -76.64% below its historical high of $4.14B set on December 31, 2022

How does WLK annual EBITDA rank versus sector peers?

WLK annual EBITDA is higher than 79.80% of companies in Basic Materials sector

When is WLK next annual earnings release?

The next annual earnings release for WLK is on February 23, 2027

What is the current quarterly EBITDA of WLK?

As of today, WLK quarterly EBITDA is $391.00M

What is WLK quarterly EBITDA most recent change?

WLK quarterly EBITDA was down -40.12% on September 30, 2026

What is 1-year change in WLK quarterly EBITDA?

WLK quarterly EBITDA is up +39.15% year-over-year

How far is WLK quarterly EBITDA from its all-time high?

WLK quarterly EBITDA is currently -72.96% below its historical high of $1.45B set on June 30, 2022

How does WLK quarterly EBITDA rank versus sector peers?

WLK quarterly EBITDA is higher than 80.60% of companies in Basic Materials sector

When is WLK next earnings release?

The next earnings release for WLK is on February 23, 2027

What is the current TTM EBITDA of WLK?

As of today, WLK TTM EBITDA is $1.30B

What is WLK TTM EBITDA most recent change?

WLK TTM EBITDA was up +9.24% on September 30, 2026

What is 1-year change in WLK TTM EBITDA?

WLK TTM EBITDA is up +8.87% year-over-year

How far is WLK TTM EBITDA from its all-time high?

WLK TTM EBITDA is currently -73.69% below its historical high of $4.94B set on June 30, 2022

How does WLK TTM EBITDA rank versus sector peers?

WLK TTM EBITDA is higher than 80.22% of companies in Basic Materials sector

When is WLK next earnings release?

The next earnings release for WLK is on February 23, 2027

WLK EBITDA History & Chart Since 1999

Annual EBITDA

$967.00M$1.11B-53.51%

December 31, 2025

Summary

Current Value: As of today, WLK annual EBITDA is $967.00M, down -53.51% on December 31, 2025
Historical Performance: WLK annual EBITDA is down -76.64% over the past 3 years, down -21.89% over the past 5 years
All-Time High Comparison: WLK annual EBITDA is currently -76.64% below its historical high of $4.14B set on December 31, 2022
3-Year Low Comparison: WLK annual EBITDA is at its 3-year low
Sector Comparison: WLK annual EBITDA is higher than 79.80% of companies in Basic Materials sector

EBITDA Chart

beforeafter

Performance

WLK Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual EBITDA	Dec 31, 25	$967.00M	-53.5%	-76.6%	-21.9%	+90.7%
Quarterly EBITDA	Sep 30, 26	$391.00M	+39.1%	-37.5%	-63.5%	+161.0%
TTM EBITDA	Sep 30, 26	$1.30B	+8.9%	-52.0%	-55.3%	+96.0%
Price	Nov 6, 26	$63.49	-1.5%	-47.7%	-36.0%	+219.1%
PE Ratio	Nov 6, 26	-	–	–	–	–
Annual Revenue	Dec 31, 25	$11.17B	-8.0%	-29.3%	+48.9%	+252.2%
Annual EPS	Dec 31, 25	-$11.70	-352.4%	-167.5%	-555.6%	-800.8%
	Dec 31, 25	-$211.00M	-121.8%	-106.8%	-145.4%	-155.8%
Annual Net Income	Dec 31, 25	-$1.46B	-327.3%	-164.1%	-493.6%	-761.3%

EBITDA Highs

WLK Annual EBITDA Highs Comparison
Period	High	Date	Current
3Y	$4.14B	N/A	-76.6%
5Y	$4.14B	Dec 31, 22	-76.6%
All	$4.14B	Dec 31, 22	-76.6%

EBITDA Lows

WLK Annual EBITDA Lows Comparison
Period	Low	Date	Current
3Y	$967.00M	Dec 31, 25	at low
5Y	$967.00M	Dec 31, 25	at low
All	-$1.43M	Dec 31, 01	>+9999.0%

EBITDA History

Year	Value	Change
2025	$967.00M	-53.5%
2024	$2.08B	-10.7%
2023	$2.33B	-43.7%
2022	$4.14B	+13.1%
2021	$3.66B	+195.7%
2020	$1.24B	-11.9%
2019	$1.41B	-32.5%
2018	$2.08B	+12.2%
2017	$1.86B	+78.3%
2016	$1.04B	-14.1%
2015	$1.21B	-9.8%
2014	$1.34B	+21.2%
2013	$1.11B	+43.3%
2012	$772.75M	+34.2%

Year	Value	Change
2011	$575.95M	+13.6%
2010	$507.03M	+125.2%
2009	$225.11M	+145.3%
2008	$91.77M	-67.0%
2007	$278.24M	-30.4%
2006	$399.51M	-10.9%
2005	$448.27M	+39.5%
2004	$321.24M	+111.0%
2003	$152.23M	+45.9%
2002	$104.33M	+7,375.4%
2001	-$1.43M	-100.7%
2000	$204.87M	+1.8%
1999	$201.30M	-

FAQ

What is the current annual EBITDA of WLK?: As of today, WLK annual EBITDA is $967.00M
What is 1-year change in WLK annual EBITDA?: WLK annual EBITDA is down -53.51% year-over-year
What is 3-year change in WLK annual EBITDA?: WLK annual EBITDA is down -76.64% over the past 3 years
How far is WLK annual EBITDA from its all-time high?: WLK annual EBITDA is currently -76.64% below its historical high of $4.14B set on December 31, 2022
How does WLK annual EBITDA rank versus sector peers?: WLK annual EBITDA is higher than 79.80% of companies in Basic Materials sector
When is WLK next annual earnings release?: The next annual earnings release for WLK is on February 23, 2027

EBITDA Formula

EBITDA = Net Income + + +

Quarterly EBITDA

$391.00M$262.00M-40.12%

September 30, 2026

Summary

Current Value: As of today, WLK quarterly EBITDA is $391.00M, down -40.12% on September 30, 2026
Historical Performance: WLK quarterly EBITDA is up +39.15% year-over-year, down -37.54% over the past 3 years
All-Time High Comparison: WLK quarterly EBITDA is currently -72.96% below its historical high of $1.45B set on June 30, 2022
3-Year Low Comparison: WLK quarterly EBITDA is +207.87% above its 3-year low of $127.00M reached on December 31, 2025
Sector Comparison: WLK quarterly EBITDA is higher than 80.60% of companies in Basic Materials sector

Performance

WLK Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly EBITDA	Sep 30, 26	$391.00M	-40.1%	+39.1%	-37.5%	-63.5%
Annual EBITDA	Dec 31, 25	$967.00M	–	-53.5%	-76.6%	-21.9%
TTM EBITDA	Sep 30, 26	$1.30B	+9.2%	+8.9%	-52.0%	-55.3%
Price	Nov 6, 26	$63.49	-18.1%	-1.5%	-47.7%	-36.0%
PE Ratio	Nov 6, 26	-	–	–	–	–
Quarterly Revenue	Sep 30, 26	$2.98B	-8.9%	+5.0%	-4.3%	-2.4%
Quarterly EPS	Sep 30, 26	$0.05	-97.7%	+100.8%	-97.9%	-99.0%
	Sep 30, 26	$101.00M	-72.5%	+559.1%	-71.1%	-88.3%
Quarterly Net Income	Sep 30, 26	$18.00M	-93.3%	+102.3%	-93.9%	-97.1%

Quarterly EBITDA Highs

WLK Quarterly EBITDA Highs Comparison
Period	High	Date	Current
1Y	$653.00M	Jun 30, 26	-40.1%
3Y	$689.00M	Jun 30, 24	-43.3%
5Y	$1.45B	Jun 30, 22	-73.0%
All	$1.45B	Jun 30, 22	-73.0%

Quarterly EBITDA Lows

WLK Quarterly EBITDA Lows Comparison
Period	Low	Date	Current
1Y	$127.00M	Dec 31, 25	+207.9%
3Y	$127.00M	Dec 31, 25	+207.9%
5Y	$127.00M	Dec 31, 25	+207.9%
All	-$135.36M	Dec 31, 08	+388.9%

Quarterly EBITDA History

Month	Value	Change
Sep 2026	$391.00M	-40.1%
Jun 2026	$653.00M	+402.3%
Mar 2026	$130.00M	+2.4%
Dec 2025	$127.00M	-54.8%
Sep 2025	$281.00M	-6.6%
Jun 2025	$301.00M	+16.7%
Mar 2025	$258.00M	-27.3%
Dec 2024	$355.00M	-33.8%
Sep 2024	$536.00M	-22.2%
Jun 2024	$689.00M	+37.8%
Mar 2024	$500.00M	+120.3%
Dec 2023	$227.00M	-63.7%
Sep 2023	$626.00M	-6.6%
Jun 2023	$670.00M	-16.9%
Mar 2023	$806.00M	+32.8%
Dec 2022	$607.00M	-22.8%
Sep 2022	$786.00M	-45.6%
Jun 2022	$1.45B	+11.2%
Mar 2022	$1.30B	+15.2%
Dec 2021	$1.13B	+5.4%
Sep 2021	$1.07B	+16.1%
Jun 2021	$922.00M	+70.4%
Mar 2021	$541.00M	+44.7%
Dec 2020	$374.00M	+21.0%
Sep 2020	$309.00M	+34.9%
Jun 2020	$229.00M	-29.8%
Mar 2020	$326.00M	+10.5%
Dec 2019	$295.00M	-28.4%
Sep 2019	$412.00M	+10.8%
Jun 2019	$372.00M	+13.8%
Mar 2019	$327.00M	-15.7%
Dec 2018	$388.00M	-31.0%
Sep 2018	$562.00M	-1.1%
Jun 2018	$568.00M	+0.7%
Mar 2018	$564.00M	+8.3%
Dec 2017	$521.00M	-0.8%
Sep 2017	$525.00M	+25.9%
Jun 2017	$417.00M	+6.4%
Mar 2017	$392.00M	+23.9%
Dec 2016	$316.27M	+36.6%
Sep 2016	$231.47M	-1.8%
Jun 2016	$235.62M	-9.8%
Mar 2016	$261.26M	+5.9%
Dec 2015	$246.67M	-23.2%
Sep 2015	$321.24M	-8.4%
Jun 2015	$350.65M	+23.6%

Month	Value	Change
Mar 2015	$283.68M	-21.7%
Dec 2014	$362.48M	-1.2%
Sep 2014	$366.89M	+16.3%
Jun 2014	$315.42M	+6.9%
Mar 2014	$295.00M	-1.4%
Dec 2013	$299.29M	-1.2%
Sep 2013	$302.97M	+13.3%
Jun 2013	$267.49M	+20.3%
Mar 2013	$222.32M	+10.7%
Dec 2012	$200.90M	+10.7%
Sep 2012	$181.54M	-12.2%
Jun 2012	$206.76M	+13.8%
Mar 2012	$181.66M	+121.0%
Dec 2011	$82.21M	-45.1%
Sep 2011	$149.82M	-12.4%
Jun 2011	$171.12M	-1.2%
Mar 2011	$173.22M	+2.2%
Dec 2010	$169.46M	+21.9%
Sep 2010	$139.02M	+5.6%
Jun 2010	$131.63M	+99.5%
Mar 2010	$65.97M	+24.3%
Dec 2009	$53.08M	-34.3%
Sep 2009	$80.79M	+20.4%
Jun 2009	$67.09M	+138.9%
Mar 2009	$28.08M	+120.7%
Dec 2008	-$135.36M	-275.4%
Sep 2008	$77.16M	-23.7%
Jun 2008	$101.17M	+152.4%
Mar 2008	$40.08M	-13.1%
Dec 2007	$46.11M	-46.7%
Sep 2007	$86.46M	-7.9%
Jun 2007	$93.86M	+81.2%
Mar 2007	$51.80M	+75.1%
Dec 2006	$29.59M	-72.6%
Sep 2006	$108.09M	-15.1%
Jun 2006	$127.27M	-3.1%
Mar 2006	$131.35M	-1.3%
Dec 2005	$133.09M	+49.3%
Sep 2005	$89.17M	-13.6%
Jun 2005	$103.22M	-15.9%
Mar 2005	$122.79M	+25.8%
Dec 2004	$97.58M	+7.7%
Sep 2004	$90.57M	+3.2%
Jun 2004	$87.76M	+86.6%
Mar 2004	$47.03M	-86.5%
Jun 2003	$349.28M	-

FAQ

What is the current quarterly EBITDA of WLK?: As of today, WLK quarterly EBITDA is $391.00M
What is WLK quarterly EBITDA most recent change?: WLK quarterly EBITDA was down -40.12% on September 30, 2026
What is 1-year change in WLK quarterly EBITDA?: WLK quarterly EBITDA is up +39.15% year-over-year
How far is WLK quarterly EBITDA from its all-time high?: WLK quarterly EBITDA is currently -72.96% below its historical high of $1.45B set on June 30, 2022
How does WLK quarterly EBITDA rank versus sector peers?: WLK quarterly EBITDA is higher than 80.60% of companies in Basic Materials sector
When is WLK next earnings release?: The next earnings release for WLK is on February 23, 2027

EBITDA Formula

EBITDA = Net Income + + +

TTM EBITDA

$1.30B$110.00M+9.24%

September 30, 2026

Summary

Current Value: As of today, WLK TTM EBITDA is $1.30B, up +9.24% on September 30, 2026
Historical Performance: WLK TTM EBITDA is up +8.87% year-over-year, down -51.97% over the past 3 years
All-Time High Comparison: WLK TTM EBITDA is currently -73.69% below its historical high of $4.94B set on June 30, 2022
3-Year Low Comparison: WLK TTM EBITDA is +55.07% above its 3-year low of $839.00M reached on March 1, 2026
Sector Comparison: WLK TTM EBITDA is higher than 80.22% of companies in Basic Materials sector

Performance

WLK Performance
Metric	Date	Value	3M	1Y	3Y	5Y
TTM EBITDA	Sep 30, 26	$1.30B	+9.2%	+8.9%	-52.0%	-55.3%
Annual EBITDA	Dec 31, 25	$967.00M	–	-53.5%	-76.6%	-21.9%
Quarterly EBITDA	Sep 30, 26	$391.00M	-40.1%	+39.1%	-37.5%	-63.5%
Price	Nov 6, 26	$63.49	-18.1%	-1.5%	-47.7%	-36.0%
PE Ratio	Nov 6, 26	-	–	–	–	–
TTM Revenue	Sep 30, 26	$11.44B	+1.3%	-0.4%	-12.2%	+11.7%
TTM EPS	Sep 30, 26	-$3.48	+63.8%	+53.2%	-137.2%	-130.3%
	Sep 30, 26	$144.00M	+585.7%	+336.4%	-91.1%	-93.2%
TTM Net Income	Sep 30, 26	-$399.00M	+66.3%	+56.4%	-131.9%	-126.2%

TTM EBITDA Highs

WLK TTM EBITDA Highs Comparison
Period	High	Date	Current
1Y	$1.30B	Sep 30, 26	at high
3Y	$2.71B	N/A	-52.0%
5Y	$4.94B	Jun 30, 22	-73.7%
All	$4.94B	Jun 30, 22	-73.7%

TTM EBITDA Lows

WLK TTM EBITDA Lows Comparison
Period	Low	Date	Current
1Y	$839.00M	Mar 1, 26	+55.1%
3Y	$839.00M	Mar 1, 26	+55.1%
5Y	$839.00M	Mar 1, 26	+55.1%
All	$36.97M	Jun 30, 09	+3419.1%

TTM EBITDA History

Month	Value	Change
Sep 2026	$1.30B	+9.2%
Jun 2026	$1.19B	+42.0%
Mar 2026	$839.00M	-13.2%
Dec 2025	$967.00M	-19.1%
Sep 2025	$1.20B	-17.6%
Jun 2025	$1.45B	-21.1%
Mar 2025	$1.84B	-11.6%
Dec 2024	$2.08B	+6.6%
Sep 2024	$1.95B	-4.4%
Jun 2024	$2.04B	+0.9%
Mar 2024	$2.02B	-13.1%
Dec 2023	$2.33B	-14.0%
Sep 2023	$2.71B	-5.6%
Jun 2023	$2.87B	-21.3%
Mar 2023	$3.65B	-11.9%
Dec 2022	$4.14B	-11.2%
Sep 2022	$4.66B	-5.7%
Jun 2022	$4.94B	+11.9%
Mar 2022	$4.42B	+20.7%
Dec 2021	$3.66B	+25.9%
Sep 2021	$2.91B	+35.5%
Jun 2021	$2.15B	+47.7%
Mar 2021	$1.45B	+17.4%
Dec 2020	$1.24B	+6.8%
Sep 2020	$1.16B	-8.2%
Jun 2020	$1.26B	-10.2%
Mar 2020	$1.41B	-0.1%
Dec 2019	$1.41B	-6.2%
Sep 2019	$1.50B	-9.1%
Jun 2019	$1.65B	-10.6%
Mar 2019	$1.85B	-11.4%
Dec 2018	$2.08B	-6.0%
Sep 2018	$2.22B	+1.7%
Jun 2018	$2.18B	+7.4%
Mar 2018	$2.03B	+9.3%
Dec 2017	$1.86B	+12.4%
Sep 2017	$1.65B	+21.6%
Jun 2017	$1.36B	+15.4%
Mar 2017	$1.18B	+12.5%
Dec 2016	$1.04B	+7.1%
Sep 2016	$975.03M	-8.4%
Jun 2016	$1.06B	-9.7%
Mar 2016	$1.18B	-1.9%
Dec 2015	$1.20B	-8.8%
Sep 2015	$1.32B	-3.3%
Jun 2015	$1.36B	+2.7%

Month	Value	Change
Mar 2015	$1.33B	-0.8%
Dec 2014	$1.34B	+4.9%
Sep 2014	$1.28B	+5.3%
Jun 2014	$1.21B	+4.1%
Mar 2014	$1.16B	+6.7%
Dec 2013	$1.09B	+9.9%
Sep 2013	$993.68M	+13.9%
Jun 2013	$872.25M	+7.5%
Mar 2013	$811.52M	+5.3%
Dec 2012	$770.85M	+18.2%
Sep 2012	$652.17M	+5.1%
Jun 2012	$620.45M	+6.1%
Mar 2012	$584.81M	+1.5%
Dec 2011	$576.36M	-13.1%
Sep 2011	$663.61M	+1.7%
Jun 2011	$652.81M	+6.4%
Mar 2011	$613.32M	+21.2%
Dec 2010	$506.08M	+29.9%
Sep 2010	$389.69M	+17.6%
Jun 2010	$331.46M	+24.2%
Mar 2010	$266.92M	+16.5%
Dec 2009	$229.04M	+464.2%
Sep 2009	$40.60M	+9.8%
Jun 2009	$36.97M	-48.0%
Mar 2009	$71.05M	-14.4%
Dec 2008	$83.05M	-68.6%
Sep 2008	$264.52M	-3.4%
Jun 2008	$273.83M	+2.7%
Mar 2008	$266.51M	-4.2%
Dec 2007	$278.24M	+6.3%
Sep 2007	$261.71M	-7.6%
Jun 2007	$283.34M	-10.5%
Mar 2007	$316.75M	-20.1%
Dec 2006	$396.30M	-20.7%
Sep 2006	$499.81M	+3.9%
Jun 2006	$480.89M	+5.3%
Mar 2006	$456.84M	+1.9%
Dec 2005	$448.27M	+8.6%
Sep 2005	$412.76M	-0.3%
Jun 2005	$414.16M	+3.9%
Mar 2005	$398.69M	+23.5%
Dec 2004	$322.93M	+43.3%
Sep 2004	$225.35M	+67.2%
Jun 2004	$134.79M	-66.0%
Mar 2004	$396.31M	+13.5%
Jun 2003	$349.28M	-

FAQ

What is the current TTM EBITDA of WLK?: As of today, WLK TTM EBITDA is $1.30B
What is WLK TTM EBITDA most recent change?: WLK TTM EBITDA was up +9.24% on September 30, 2026
What is 1-year change in WLK TTM EBITDA?: WLK TTM EBITDA is up +8.87% year-over-year
How far is WLK TTM EBITDA from its all-time high?: WLK TTM EBITDA is currently -73.69% below its historical high of $4.94B set on June 30, 2022
How does WLK TTM EBITDA rank versus sector peers?: WLK TTM EBITDA is higher than 80.22% of companies in Basic Materials sector
When is WLK next earnings release?: The next earnings release for WLK is on February 23, 2027

EBITDA Formula

EBITDA = Net Income + + +

Data Sources & References

WLK Official Website www.westlake.com
Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1262823/000126282326000016/0001262823-26-000016-index.htm
WLK Profile on Yahoo Finance finance.yahoo.com/quote/WLK
WLK Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/wlk