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The series is stated in the current share scale after splits; dividends are not included in the price
Westlake Corporation (WLK) is a public company in the materials sector. Its common stock trade on NYSE.
Over the trailing twelve months as reported to 2026-06-30, revenue was 11.3bn $, net income was -1.2bn $. Incorporated in US.
This summary is compiled automatically from SEC filings and exchange data.
Based on the last 12 months of reports, through 30 June 2026
The sector median covers every company in the sector on the US market, loss-making ones included.
Westlake Corporation (WLK) is a company in the Materials sector; its shares trade on NYSE.
The price of Westlake Corporation (WLK) on October 30, 2026 is 67.71 $, +2.58 % on the day. Over 52 weeks the stock traded between 56.33 $ and 124.23 $; the price now sits 17 % of the way up that range. Over the past year the price changed by −17.74 %. Market capitalization is 8.66 billion $, rank 3 among 17 stocks of the same industry with a known capitalization.
Westlake Corporation trades on NYSE under the ticker WLK. The company belongs to the Materials sector. The trading history on this page starts on 22 August 2016.
Over the past 52 weeks WLK has traded between 56.33 $ and 124.23 $. As of 30 October 2026 the price stood 10.72 % of the way from the 52-week low to the high.
Over one year WLK shares fell 17.74 %; over six months they fell 46.55 %. Volatility over 90 days is 36.49 %. Dividends are not included: this is price change only, as of 30 October 2026.
The company reported a loss over the last four quarters, so a price-to-earnings ratio is not calculated. Price to sales is 0.8, below the sector median of 1.5. Price to book is 1.0, below the sector median of 2.0. Calculated from reports for the period ending 30 June 2026.
Westlake Corporation reported revenue of 11.3B $ and a net loss of 1.2B $ over the last four quarters. Net margin is −10.94 %. Revenue changed by −3.95 % year over year. Earnings per share are −9.58 $. Market capitalisation is 8.7B $.
WLK has a return on equity of −14.19 %, below the sector median of 1.17 %. Return on assets is −6.35 %, below the sector median of 0.23 %. Operating margin is −11.02 %, below the sector median of 6.35 %.