Westlake (WLK) Stock Chart & Stock Price History $110.04 -1.36 (-1.22%) As of 11:14 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Westlake Stock Price Performance 5 Day Performance-3.57%1 Month Performance-6.70%3 Month Performance-13.92%6 Month Performance-23.61%Year-To-Date Performance-3.02%1 Year Performance-18.00% Receive WLK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Westlake and its competitors with MarketBeat's FREE daily newsletter. Email Address WLK Stock Chart for Friday, February, 21, 2025 WLK Chart by TradingView Westlake Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization02/20/2025$113.48$111.19-2.02%$114.09$110.73722,684 shs$14.31 billion02/19/2025$116.51$113.48-2.60%$113.82$111.31752,315 shs$14.61 billion02/18/2025$115.30$116.51+1.05%$118.23$115.29717,476 shs$15.00 billion02/17/2025$115.30$115.30$117.71$113.77919,565 shs$14.84 billion02/14/2025$112.60$115.30+2.40%$117.71$113.77919,565 shs$14.84 billion02/13/2025$111.09$112.60+1.36%$112.79$110.39432,000 shs$14.49 billion02/12/2025$112.41$111.09-1.17%$112.10$110.31623,739 shs$14.30 billion02/11/2025$111.06$112.41+1.21%$113.09$110.75859,145 shs$14.47 billion02/10/2025$111.60$111.06-0.48%$112.59$110.59348,633 shs$14.30 billion02/07/2025$112.77$111.60-1.04%$113.08$111.06267,880 shs$14.36 billion Get the Latest News and Ratings for WLK and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Westlake and its competitors with MarketBeat's FREE daily newsletter. 02/06/2025$109.73$112.77+2.78%$114.22$110.02518,897 shs$14.51 billion02/05/2025$111.28$109.73-1.40%$111.11$109.41380,727 shs$14.12 billion02/04/2025$110.52$111.28+0.69%$111.66$109.24603,548 shs$14.32 billion02/03/2025$114.43$110.52-3.42%$112.50$108.56606,749 shs$14.22 billion01/31/2025$115.75$114.43-1.13%$115.98$113.291.28 million shs$14.73 billion01/30/2025$117.23$115.75-1.26%$117.89$113.54614,844 shs$14.90 billion01/29/2025$116.98$117.23+0.22%$118.63$116.03435,893 shs$15.09 billion01/28/2025$117.53$116.98-0.47%$119.86$116.88579,439 shs$15.06 billion01/27/2025$117.61$117.53-0.07%$118.69$115.81608,941 shs$15.13 billion01/24/2025$118.37$117.61-0.64%$119.32$117.39444,268 shs$15.14 billion01/23/2025$117.79$118.37+0.49%$118.41$116.39497,954 shs$15.24 billion01/22/2025$119.17$117.79-1.15%$118.96$117.69225,644 shs$15.16 billion01/21/2025$117.87$119.17+1.10%$119.54$118.30398,573 shs$15.34 billion01/20/2025$117.87$117.87$118.89$117.32355,397 shs$15.17 billion Related Companies LyondellBasell Industries Stock Price Chart Cabot Stock Price Chart Hawkins Stock Price Chart Kronos Worldwide Stock Price Chart Koppers Stock Price Chart Tredegar Stock Price Chart International Flavors & Fragrances Stock Price Chart NewMarket Stock Price Chart Methanex Stock Price Chart Sensient Technologies Stock Price Chart Receive WLK Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Westlake and its competitors with MarketBeat's FREE daily newsletter. 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