What is the current annual revenue of WLK?

As of today, WLK annual revenue is $11.17B

What is 1-year change in WLK annual revenue?

WLK annual revenue is down -8.01% year-over-year

What is 3-year change in WLK annual revenue?

WLK annual revenue is down -29.28% over the past 3 years

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

WLK annual revenue is currently -29.28% below its historical high of $15.79B set on December 31, 2022

How does WLK annual revenue rank versus sector peers?

WLK annual revenue is higher than 89.49% of companies in Basic Materials sector

How does the analyst estimate for WLK annual revenue compare to its current value?

Analysts estimate WLK annual revenue at $11.64B, +4.25% higher than the current value

When is WLK next annual earnings release?

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

What is the current quarterly revenue of WLK?

As of today, WLK quarterly revenue is $2.98B

What is WLK quarterly revenue most recent change?

WLK quarterly revenue was down -8.87% on September 30, 2026

What is 1-year change in WLK quarterly revenue?

WLK quarterly revenue is up +5.04% year-over-year

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

WLK quarterly revenue is currently -33.50% below its historical high of $4.48B set on June 30, 2022

How does WLK quarterly revenue rank versus sector peers?

WLK quarterly revenue is higher than 89.35% of companies in Basic Materials sector

How does the analyst estimate for WLK quarterly revenue compare to its current value?

Analysts estimate WLK quarterly revenue at $2.73B, -8.54% lower than the current value

When is WLK next earnings release?

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

What is the current TTM revenue of WLK?

As of today, WLK TTM revenue is $11.44B

What is WLK TTM revenue most recent change?

WLK TTM revenue was up +1.27% on September 30, 2026

What is 1-year change in WLK TTM revenue?

WLK TTM revenue is down -0.37% year-over-year

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

WLK TTM revenue is currently -28.53% below its historical high of $16.00B set on September 30, 2022

How does WLK TTM revenue rank versus sector peers?

WLK TTM revenue is higher than 89.73% of companies in Basic Materials sector

How does the analyst estimate for WLK TTM revenue compare to its current value?

Analysts estimate WLK TTM revenue at $11.63B, +1.69% higher than the current value

When is WLK next earnings release?

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

WLK Revenue History & Chart Since 1999

Annual Revenue

$11.17B$972.00M-8.01%

December 31, 2025

Summary

Current Value: As of today, WLK annual revenue is $11.17B, down -8.01% on December 31, 2025
Historical Performance: WLK annual revenue is down -29.28% over the past 3 years, up +48.85% over the past 5 years
All-Time High Comparison: WLK annual revenue is currently -29.28% below its historical high of $15.79B set on December 31, 2022
3-Year Low Comparison: WLK annual revenue is at its 3-year low
Sector Comparison: WLK annual revenue is higher than 89.49% of companies in Basic Materials sector
Analyst Estimate: Analysts estimate WLK annual revenue at $11.64B, +4.25% higher than the current value
Upcoming Earnings: The next annual earnings release for WLK is on February 23, 2027

Revenue Chart

Performance

WLK Performance
Metric	Date	Value	1Y	3Y	5Y	15Y
Annual Revenue	Dec 31, 25	$11.17B	-8.0%	-29.3%	+48.9%	+252.2%
Quarterly Revenue	Sep 30, 26	$2.98B	+5.0%	-4.3%	-2.4%	+207.8%
TTM Revenue	Sep 30, 26	$11.44B	-0.4%	-12.2%	+11.7%	+221.6%
Price	Nov 6, 26	$63.49	-1.5%	-47.7%	-36.0%	+219.1%
Annual EPS	Dec 31, 25	-$11.70	-352.4%	-167.5%	-555.6%	-800.8%
PE Ratio	Nov 6, 26	-	–	–	–	–
Annual Gross Profit	Dec 31, 25	$689.00M	-62.5%	-82.4%	-24.6%	+42.8%
Annual Net Income	Dec 31, 25	-$1.46B	-327.3%	-164.1%	-493.6%	-761.3%
Annual EBITDA	Dec 31, 25	$967.00M	-53.5%	-76.6%	-21.9%	+90.7%
	Dec 31, 25	-$211.00M	-121.8%	-106.8%	-145.4%	-155.8%

Revenue Highs

WLK Annual Revenue Highs Comparison
Period	High	Date	Current
3Y	$15.79B	N/A	-29.3%
5Y	$15.79B	Dec 31, 22	-29.3%
All	$15.79B	Dec 31, 22	-29.3%

Revenue Lows

WLK Annual Revenue Lows Comparison
Period	Low	Date	Current
3Y	$11.17B	Dec 31, 25	at low
5Y	$7.50B	N/A	+48.9%
All	$1.06B	Dec 31, 99	+955.3%

Revenue Estimates

WLK Revenue Estimates reported versus estimate values
Year	Estimate	Reported	Surprise / Exp.
2024	$12.26B	$12.14B	-0.95%
2025	$11.23B	$11.17B	-0.56%
2026	$11.64B	N/A	+4.25%
2027	$11.85B	N/A	+6.12%

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Revenue History

Year	Value	Change
2025	$11.17B	-8.0%
2024	$12.14B	-3.2%
2023	$12.55B	-20.6%
2022	$15.79B	+34.1%
2021	$11.78B	+57.0%
2020	$7.50B	-7.6%
2019	$8.12B	-6.0%
2018	$8.64B	+7.4%
2017	$8.04B	+58.4%
2016	$5.08B	+13.7%
2015	$4.46B	+1.1%
2014	$4.42B	+17.4%
2013	$3.76B	+5.3%
2012	$3.57B	-1.3%

Year	Value	Change
2011	$3.62B	+14.1%
2010	$3.17B	+36.4%
2009	$2.33B	-37.0%
2008	$3.69B	+15.7%
2007	$3.19B	+28.5%
2006	$2.48B	+1.8%
2005	$2.44B	+23.0%
2004	$1.99B	+39.5%
2003	$1.42B	+32.7%
2002	$1.07B	-1.3%
2001	$1.09B	0.0%
2000	$1.09B	+2.7%
1999	$1.06B	-

FAQ

What is the current annual revenue of WLK?: As of today, WLK annual revenue is $11.17B
What is 1-year change in WLK annual revenue?: WLK annual revenue is down -8.01% year-over-year
What is 3-year change in WLK annual revenue?: WLK annual revenue is down -29.28% over the past 3 years
How far is WLK annual revenue from its all-time high?: WLK annual revenue is currently -29.28% below its historical high of $15.79B set on December 31, 2022
How does WLK annual revenue rank versus sector peers?: WLK annual revenue is higher than 89.49% of companies in Basic Materials sector
How does the analyst estimate for WLK annual revenue compare to its current value?: Analysts estimate WLK annual revenue at $11.64B, +4.25% higher than the current value
When is WLK next annual earnings release?: The next annual earnings release for WLK is on February 23, 2027

Quarterly Revenue

$2.98B$290.00M-8.87%

September 30, 2026

Summary

Current Value: As of today, WLK quarterly revenue is $2.98B, down -8.87% on September 30, 2026
Historical Performance: WLK quarterly revenue is up +5.04% year-over-year, down -4.30% over the past 3 years
All-Time High Comparison: WLK quarterly revenue is currently -33.50% below its historical high of $4.48B set on June 30, 2022
3-Year Low Comparison: WLK quarterly revenue is +17.69% above its 3-year low of $2.53B reached on December 31, 2025
Sector Comparison: WLK quarterly revenue is higher than 89.35% of companies in Basic Materials sector
Analyst Estimate: Analysts estimate WLK quarterly revenue at $2.73B, -8.54% lower than the current value
Upcoming Earnings: The next earnings release for WLK is on February 23, 2027

Performance

WLK Performance
Metric	Date	Value	3M	1Y	3Y	5Y
Quarterly Revenue	Sep 30, 26	$2.98B	-8.9%	+5.0%	-4.3%	-2.4%
Annual Revenue	Dec 31, 25	$11.17B	–	-8.0%	-29.3%	+48.9%
TTM Revenue	Sep 30, 26	$11.44B	+1.3%	-0.4%	-12.2%	+11.7%
Price	Nov 6, 26	$63.49	-18.1%	-1.5%	-47.7%	-36.0%
Quarterly EPS	Sep 30, 26	$0.05	-97.7%	+100.8%	-97.9%	-99.0%
PE Ratio	Nov 6, 26	-	–	–	–	–
Quarterly Gross Profit	Sep 30, 26	$351.00M	-43.4%	+70.4%	-36.8%	-64.5%
Quarterly Net Income	Sep 30, 26	$18.00M	-93.3%	+102.3%	-93.9%	-97.1%
	Sep 30, 26	$101.00M	-72.5%	+559.1%	-71.1%	-88.3%
Quarterly EBITDA	Sep 30, 26	$391.00M	-40.1%	+39.1%	-37.5%	-63.5%

Quarterly Revenue Highs

WLK Quarterly Revenue Highs Comparison
Period	High	Date	Current
1Y	$3.27B	Jun 30, 26	-8.9%
3Y	$3.27B	Jun 30, 26	-8.9%
5Y	$4.48B	Jun 30, 22	-33.5%
All	$4.48B	Jun 30, 22	-33.5%

Quarterly Revenue Lows

WLK Quarterly Revenue Lows Comparison
Period	Low	Date	Current
1Y	$2.53B	Dec 31, 25	+17.7%
3Y	$2.53B	Dec 31, 25	+17.7%
5Y	$2.53B	Dec 31, 25	+17.7%
All	$203.14M	Mar 1, 02	+1367.4%

Quarterly Revenue Estimates

WLK Quarterly Revenue Estimates reported versus estimate values
Month	Estimate	Reported	Surprise / Exp.
Mar 2026	$2.78B	$2.65B	-4.76%
Jun 2026	$3.25B	$3.27B	+0.71%
Sep 2026	$2.94B	$2.98B	+1.39%
Dec 2026	$2.73B	N/A	-8.54%

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Quarterly Revenue History

Month	Value	Change
Sep 2026	$2.98B	-8.9%
Jun 2026	$3.27B	+23.3%
Mar 2026	$2.65B	+4.7%
Dec 2025	$2.53B	-10.7%
Sep 2025	$2.84B	-3.9%
Jun 2025	$2.95B	+3.8%
Mar 2025	$2.85B	+0.1%
Dec 2024	$2.84B	-8.8%
Sep 2024	$3.12B	-2.8%
Jun 2024	$3.21B	+7.8%
Mar 2024	$2.98B	+5.3%
Dec 2023	$2.83B	-9.3%
Sep 2023	$3.12B	-4.2%
Jun 2023	$3.25B	-3.1%
Mar 2023	$3.36B	+1.7%
Dec 2022	$3.30B	-16.6%
Sep 2022	$3.96B	-11.8%
Jun 2022	$4.48B	+10.5%
Mar 2022	$4.06B	+15.7%
Dec 2021	$3.51B	+14.8%
Sep 2021	$3.06B	+6.9%
Jun 2021	$2.86B	+21.3%
Mar 2021	$2.36B	+19.9%
Dec 2020	$1.97B	+3.5%
Sep 2020	$1.90B	+11.1%
Jun 2020	$1.71B	-11.5%
Mar 2020	$1.93B	+2.6%
Dec 2019	$1.88B	-8.9%
Sep 2019	$2.07B	-3.6%
Jun 2019	$2.14B	+5.9%
Mar 2019	$2.03B	+1.5%
Dec 2018	$2.00B	-11.5%
Sep 2018	$2.26B	+0.9%
Jun 2018	$2.24B	+4.0%
Mar 2018	$2.15B	+7.0%
Dec 2017	$2.01B	-4.7%
Sep 2017	$2.11B	+6.6%
Jun 2017	$1.98B	+1.9%
Mar 2017	$1.94B	+12.0%
Dec 2016	$1.74B	+35.7%
Sep 2016	$1.28B	+17.8%
Jun 2016	$1.09B	+11.8%
Mar 2016	$971.13M	-1.6%
Dec 2015	$986.77M	-16.9%
Sep 2015	$1.19B	+0.3%
Jun 2015	$1.19B	+7.4%
Mar 2015	$1.10B	-2.8%
Dec 2014	$1.14B	-9.4%
Sep 2014	$1.25B	+25.5%
Jun 2014	$998.58M	-2.8%

Month	Value	Change
Mar 2014	$1.03B	+8.0%
Dec 2013	$951.63M	-5.2%
Sep 2013	$1.00B	+6.9%
Jun 2013	$939.05M	+8.6%
Mar 2013	$864.65M	+7.9%
Dec 2012	$801.04M	-2.5%
Sep 2012	$821.18M	-10.2%
Jun 2012	$913.96M	-11.7%
Mar 2012	$1.03B	+20.4%
Dec 2011	$859.18M	-11.3%
Sep 2011	$968.37M	+4.7%
Jun 2011	$925.05M	+6.7%
Mar 2011	$867.25M	+9.0%
Dec 2010	$795.39M	+2.0%
Sep 2010	$779.68M	-4.7%
Jun 2010	$818.39M	+5.1%
Mar 2010	$778.33M	+23.5%
Dec 2009	$630.04M	-0.4%
Sep 2009	$632.57M	+10.0%
Jun 2009	$574.87M	+17.7%
Mar 2009	$488.25M	-18.2%
Dec 2008	$597.11M	-44.4%
Sep 2008	$1.07B	-3.0%
Jun 2008	$1.11B	+20.9%
Mar 2008	$915.06M	+7.6%
Dec 2007	$850.55M	+1.2%
Sep 2007	$840.16M	+7.3%
Jun 2007	$782.66M	+8.9%
Mar 2007	$718.80M	+37.2%
Dec 2006	$523.90M	-22.1%
Sep 2006	$672.42M	+0.5%
Jun 2006	$669.27M	+8.2%
Mar 2006	$618.78M	-2.8%
Dec 2005	$636.44M	+5.1%
Sep 2005	$605.39M	+4.3%
Jun 2005	$580.66M	-6.1%
Mar 2005	$618.62M	+9.9%
Dec 2004	$563.07M	-1.6%
Sep 2004	$572.03M	+27.3%
Jun 2004	$449.36M	+12.1%
Mar 2004	$400.89M	+9.6%
Dec 2003	$365.88M	+2.0%
Sep 2003	$358.60M	+12.8%
Jun 2003	$317.98M	-16.4%
Mar 2003	$380.57M	+34.9%
Dec 2002	$282.02M	-7.5%
Sep 2002	$304.99M	+8.0%
Jun 2002	$282.48M	+39.1%
Mar 2002	$203.14M	-

FAQ

What is the current quarterly revenue of WLK?: As of today, WLK quarterly revenue is $2.98B
What is WLK quarterly revenue most recent change?: WLK quarterly revenue was down -8.87% on September 30, 2026
What is 1-year change in WLK quarterly revenue?: WLK quarterly revenue is up +5.04% year-over-year
How far is WLK quarterly revenue from its all-time high?: WLK quarterly revenue is currently -33.50% below its historical high of $4.48B set on June 30, 2022
How does WLK quarterly revenue rank versus sector peers?: WLK quarterly revenue is higher than 89.35% of companies in Basic Materials sector
How does the analyst estimate for WLK quarterly revenue compare to its current value?: Analysts estimate WLK quarterly revenue at $2.73B, -8.54% lower than the current value
When is WLK next earnings release?: The next earnings release for WLK is on February 23, 2027

TTM Revenue

$11.44B$143.00M+1.27%

September 30, 2026

Summary

Current Value: As of today, WLK TTM revenue is $11.44B, up +1.27% on September 30, 2026
Historical Performance: WLK TTM revenue is down -0.37% year-over-year, down -12.16% over the past 3 years
All-Time High Comparison: WLK TTM revenue is currently -28.53% below its historical high of $16.00B set on September 30, 2022
3-Year Low Comparison: WLK TTM revenue is +4.20% above its 3-year low of $10.98B reached on March 1, 2026
Sector Comparison: WLK TTM revenue is higher than 89.73% of companies in Basic Materials sector
Analyst Estimate: Analysts estimate WLK TTM revenue at $11.63B, +1.69% higher than the current value
Upcoming Earnings: The next earnings release for WLK is on February 23, 2027

Performance

WLK Performance
Metric	Date	Value	3M	1Y	3Y	5Y
TTM Revenue	Sep 30, 26	$11.44B	+1.3%	-0.4%	-12.2%	+11.7%
Annual Revenue	Dec 31, 25	$11.17B	–	-8.0%	-29.3%	+48.9%
Quarterly Revenue	Sep 30, 26	$2.98B	-8.9%	+5.0%	-4.3%	-2.4%
Price	Nov 6, 26	$63.49	-18.1%	-1.5%	-47.7%	-36.0%
TTM EPS	Sep 30, 26	-$3.48	+63.8%	+53.2%	-137.2%	-130.3%
PE Ratio	Nov 6, 26	-	–	–	–	–
TTM Gross Profit	Sep 30, 26	$1.11B	+15.1%	+18.4%	-55.1%	-57.6%
TTM Net Income	Sep 30, 26	-$399.00M	+66.3%	+56.4%	-131.9%	-126.2%
TTM EBITDA	Sep 30, 26	$1.30B	+9.2%	+8.9%	-52.0%	-55.3%
	Sep 30, 26	$144.00M	+585.7%	+336.4%	-91.1%	-93.2%

TTM Revenue Highs

WLK TTM Revenue Highs Comparison
Period	High	Date	Current
1Y	$11.48B	N/A	-0.4%
3Y	$13.02B	N/A	-12.2%
5Y	$16.00B	Sep 30, 22	-28.5%
All	$16.00B	Sep 30, 22	-28.5%

TTM Revenue Lows

WLK TTM Revenue Lows Comparison
Period	Low	Date	Current
1Y	$10.98B	Mar 1, 26	+4.2%
3Y	$10.98B	Mar 1, 26	+4.2%
5Y	$10.24B	N/A	+11.7%
All	$203.14M	Mar 1, 02	+5530.0%

TTM Revenue History

Month	Value	Change
Sep 2026	$11.44B	+1.3%
Jun 2026	$11.29B	+2.9%
Mar 2026	$10.98B	-1.7%
Dec 2025	$11.17B	-2.7%
Sep 2025	$11.48B	-2.4%
Jun 2025	$11.76B	-2.1%
Mar 2025	$12.01B	-1.1%
Dec 2024	$12.14B	+0.1%
Sep 2024	$12.13B	+0.0%
Jun 2024	$12.12B	-0.4%
Mar 2024	$12.17B	-3.0%
Dec 2023	$12.55B	-3.6%
Sep 2023	$13.02B	-6.1%
Jun 2023	$13.86B	-8.2%
Mar 2023	$15.09B	-4.4%
Dec 2022	$15.79B	-1.3%
Sep 2022	$16.00B	+6.0%
Jun 2022	$15.10B	+12.1%
Mar 2022	$13.48B	+14.4%
Dec 2021	$11.78B	+15.1%
Sep 2021	$10.24B	+12.7%
Jun 2021	$9.08B	+14.5%
Mar 2021	$7.93B	+5.7%
Dec 2020	$7.50B	+1.1%
Sep 2020	$7.42B	-2.2%
Jun 2020	$7.59B	-5.4%
Mar 2020	$8.03B	-1.1%
Dec 2019	$8.12B	-1.4%
Sep 2019	$8.23B	-2.2%
Jun 2019	$8.42B	-1.1%
Mar 2019	$8.51B	-1.4%
Dec 2018	$8.64B	-0.2%
Sep 2018	$8.65B	+1.7%
Jun 2018	$8.50B	+3.1%
Mar 2018	$8.25B	+2.6%
Dec 2017	$8.04B	+3.5%
Sep 2017	$7.77B	+12.0%
Jun 2017	$6.94B	+14.8%
Mar 2017	$6.04B	+19.2%
Dec 2016	$5.07B	+17.3%
Sep 2016	$4.32B	+2.2%
Jun 2016	$4.23B	-2.3%
Mar 2016	$4.33B	-3.0%
Dec 2015	$4.46B	-3.2%
Sep 2015	$4.61B	-1.4%
Jun 2015	$4.68B	+4.2%
Mar 2015	$4.49B	+1.7%
Dec 2014	$4.42B	+4.4%
Sep 2014	$4.23B	+6.3%
Jun 2014	$3.98B	+1.5%

Month	Value	Change
Mar 2014	$3.92B	+4.3%
Dec 2013	$3.76B	+4.2%
Sep 2013	$3.61B	+5.3%
Jun 2013	$3.43B	+0.7%
Mar 2013	$3.40B	-4.8%
Dec 2012	$3.57B	-1.6%
Sep 2012	$3.63B	-3.9%
Jun 2012	$3.78B	-0.3%
Mar 2012	$3.79B	+4.6%
Dec 2011	$3.62B	+1.8%
Sep 2011	$3.56B	+5.6%
Jun 2011	$3.37B	+3.3%
Mar 2011	$3.26B	+2.8%
Dec 2010	$3.17B	+5.5%
Sep 2010	$3.01B	+5.1%
Jun 2010	$2.86B	+9.3%
Mar 2010	$2.62B	+12.5%
Dec 2009	$2.33B	+1.4%
Sep 2009	$2.29B	-16.1%
Jun 2009	$2.73B	-16.3%
Mar 2009	$3.27B	-11.6%
Dec 2008	$3.69B	-6.4%
Sep 2008	$3.95B	+6.3%
Jun 2008	$3.71B	+9.6%
Mar 2008	$3.39B	+6.1%
Dec 2007	$3.19B	+11.4%
Sep 2007	$2.87B	+6.2%
Jun 2007	$2.70B	+4.4%
Mar 2007	$2.58B	+4.0%
Dec 2006	$2.48B	-4.3%
Sep 2006	$2.60B	+2.6%
Jun 2006	$2.53B	+3.6%
Mar 2006	$2.44B	+0.0%
Dec 2005	$2.44B	+3.1%
Sep 2005	$2.37B	+1.4%
Jun 2005	$2.33B	+6.0%
Mar 2005	$2.20B	+11.0%
Dec 2004	$1.99B	+11.0%
Sep 2004	$1.79B	+13.6%
Jun 2004	$1.57B	+9.1%
Mar 2004	$1.44B	+1.4%
Dec 2003	$1.42B	+6.3%
Sep 2003	$1.34B	+4.2%
Jun 2003	$1.29B	+2.8%
Mar 2003	$1.25B	+16.5%
Dec 2002	$1.07B	+35.7%
Sep 2002	$790.61M	+62.8%
Jun 2002	$485.62M	+139.1%
Mar 2002	$203.14M	-

FAQ

What is the current TTM revenue of WLK?: As of today, WLK TTM revenue is $11.44B
What is WLK TTM revenue most recent change?: WLK TTM revenue was up +1.27% on September 30, 2026
What is 1-year change in WLK TTM revenue?: WLK TTM revenue is down -0.37% year-over-year
How far is WLK TTM revenue from its all-time high?: WLK TTM revenue is currently -28.53% below its historical high of $16.00B set on September 30, 2022
How does WLK TTM revenue rank versus sector peers?: WLK TTM revenue is higher than 89.73% of companies in Basic Materials sector
How does the analyst estimate for WLK TTM revenue compare to its current value?: Analysts estimate WLK TTM revenue at $11.63B, +1.69% higher than the current value
When is WLK next earnings release?: The next earnings release for WLK is on February 23, 2027

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