Name: Westlake Corporation (WLK) P/E Ratio History
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PE Ratio

N/A

September 28, 2026

Chart

WLK Performance
Metric	Date	Value	1D	1M	3M	YTD	1Y	3Y	5Y
PE Ratio	Sep 28, 26	-	–	–	–	–	–	–	–
Price	Sep 28, 26	$66.84	-1.3%	-11.7%	-12.8%	-9.6%	-13.9%	-46.5%	-27.4%
TTM Revenue	Jun 30, 26	$11.29B	+2.9%	–	+2.9%	–	-4.0%	-18.5%	+24.4%
TTM EPS	Jun 30, 26	-$9.59	+24.5%	–	+24.5%	–	-1710.0%	-193.6%	-232.7%
	Sep 28, 26	0.98	-1.0%	-11.7%	-14.8%	-9.3%	+1.0%	-35.1%	-43.7%
	Sep 28, 26	0.76	-1.3%	-11.6%	-14.6%	-10.6%	-10.6%	-33.9%	-41.5%
	Sep 28, 26	$12.59B	-0.9%	-8.3%	-8.5%	-2.9%	-4.8%	-33.1%	-10.1%
	Sep 28, 26	10.57	-0.8%	-8.3%	-35.5%	-21.2%	+15.9%	+61.1%	+61.9%
Market Cap	Sep 28, 26	$9B	-1.3%	-11.7%	-13.0%	-9.7%	-14.2%	-46.5%	-27.6%

WLK PE Ratio Highs Comparison
Period	High	Date	Current
1M	N/A	N/A	N/A
3M	N/A	N/A	N/A
6M	N/A	N/A	N/A
1Y	N/A	N/A	N/A
3Y	211.59	Sep 30, 24	N/A
5Y	211.59	Sep 30, 24	N/A
All	211.59	Sep 30, 24	N/A

WLK PE Ratio Lows Comparison
Period	Low	Date	Current
1M	N/A	N/A	N/A
3M	N/A	N/A	N/A
6M	N/A	N/A	N/A
1Y	N/A	N/A	N/A
3Y	12.11	Oct 25, 23	N/A
5Y	3.70	Sep 26, 22	N/A
All	3.70	Sep 26, 22	N/A

P/E =

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