Trinseo (TSE) Stock Chart & Stock Price History $4.61 -0.31 (-6.30%) Closing price 03/3/2025 03:59 PM EasternExtended Trading$4.56 -0.06 (-1.19%) As of 03/3/2025 06:49 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrends Trinseo Stock Price Performance 5 Day Performance-8.08%1 Month Performance+5.16%3 Month Performance+10.29%6 Month Performance+4.54%Year-To-Date Performance-9.61%1 Year Performance+2.67% Receive TSE Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Trinseo and its competitors with MarketBeat's FREE daily newsletter. Email Address TSE Stock Chart for Tuesday, March, 4, 2025 TSE Chart by TradingView Trinseo 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 Capitalization03/03/2025$4.96$4.61-6.96%$5.11$4.52260,128 shs$163.20 million02/28/2025$5.02$4.96-1.20%$5.02$4.78365,580 shs$175.42 million02/27/2025$5.00$5.02+0.30%$5.20$4.87192,675 shs$177.54 million02/26/2025$5.02$5.00-0.34%$5.10$4.85241,884 shs$177.01 million02/25/2025$5.41$5.02-7.18%$5.50$4.96299,543 shs$177.61 million02/24/2025$5.48$5.41-1.37%$5.59$5.25182,758 shs$191.35 million02/21/2025$5.69$5.48-3.61%$5.78$5.37398,737 shs$193.99 million02/20/2025$5.72$5.69-0.56%$5.82$5.54197,973 shs$201.26 million02/19/2025$5.95$5.72-3.92%$5.93$5.50324,433 shs$202.38 million02/18/2025$5.16$5.95+15.33%$5.99$5.16524,219 shs$210.63 million Get the Latest News and Ratings for TSE and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Trinseo and its competitors with MarketBeat's FREE daily newsletter. 02/17/2025$5.16$5.16$5.27$4.89403,290 shs$182.63 million02/14/2025$4.79$5.16+7.70%$5.27$4.89403,290 shs$182.63 million02/13/2025$4.79$4.79$5.38$4.51505,137 shs$169.57 million02/12/2025$4.74$4.79+1.05%$4.84$4.55350,388 shs$169.57 million02/11/2025$4.41$4.74+7.48%$4.78$4.41366,640 shs$167.80 million02/10/2025$4.50$4.41-2.00%$4.60$4.28229,523 shs$156.12 million02/07/2025$4.80$4.50-6.25%$4.85$4.34167,690 shs$159.30 million02/06/2025$4.56$4.80+5.29%$4.88$4.56450,838 shs$169.92 million02/05/2025$4.38$4.56+3.99%$4.62$4.24472,346 shs$161.39 million02/04/2025$3.96$4.38+10.85%$4.40$3.94283,156 shs$155.19 million02/03/2025$4.14$3.96-4.47%$4.01$3.78388,568 shs$140.01 million Related Companies AdvanSix Stock Chart Valhi Stock Chart Luxfer Stock Chart ASP Isotopes Stock Chart Standard Lithium Stock Chart ARQ Stock Chart LanzaTech Global Stock Chart Aduro Clean Technologies Stock Chart Alto Ingredients Stock Chart Origin Materials Stock Chart Receive TSE Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Trinseo and its competitors with MarketBeat's FREE daily newsletter. 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