Trinseo (TSE) Stock Chart & Stock Price History $2.83 -0.01 (-0.35%) As of 11:43 AM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsDividendEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Trinseo Stock Price Performance The Trinseo (TSE) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 2.41%, with a year-to-date return of -44.51%. In the past month, the stock has decreased 22.85%, reflecting recent market activity. As of the latest close, Trinseo traded at $2.85 with a market cap of $101.42 million and volume of 312,806 shares. Five years ago, the stock traded at $24.30, representing a 88.35% decrease over that period. At the time, it had a market cap of $927.92 million and a volume of 574,200 shares. 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Email Address 5 Day Performance-5.67%1 Month Performance-22.85%3 Month Performance-14.76%Year-To-Date Performance-44.51%1 Year Performance-2.41%5 Year Performance-88.35% TSE Stock Chart for Wednesday, July, 16, 2025 TSE Chart by TradingView Trinseo Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/15/2025$2.94$2.85-3.07%$2.97$2.84312,806 shs$101.42 million07/14/2025$3.00$2.94-2.17%$2.99$2.85287,199 shs$104.63 million07/11/2025$3.10$3.00-3.23%$3.08$2.96254,798 shs$106.95 million07/10/2025$2.97$3.10+4.38%$3.14$2.95417,779 shs$110.52 million07/09/2025$2.96$2.97+0.34%$3.02$2.92300,780 shs$105.88 million07/08/2025$2.92$2.96+1.37%$3.12$2.92459,327 shs$105.52 million07/07/2025$3.16$2.92-7.59%$3.17$2.85502,275 shs$104.10 million07/04/2025$3.16$3.16$3.24$3.05270,937 shs$112.65 million07/03/2025$3.02$3.16+4.64%$3.24$3.05270,937 shs$112.65 million07/02/2025$3.04$3.02-0.66%$3.18$2.93552,199 shs$107.66 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. 07/01/2025$3.14$3.04-3.18%$3.34$2.97507,706 shs$108.38 million06/30/2025$3.43$3.14-8.32%$3.56$3.10490,397 shs$111.94 million06/27/2025$3.41$3.43+0.59%$3.47$3.334.35 million shs$122.10 million06/26/2025$3.23$3.41+5.42%$3.44$3.26230,359 shs$121.39 million06/25/2025$3.34$3.23-3.15%$3.36$3.20227,429 shs$115.15 million06/24/2025$3.41$3.34-2.06%$3.59$3.29254,634 shs$118.89 million06/23/2025$3.73$3.41-8.76%$3.71$3.23416,162 shs$121.39 million06/20/2025$3.79$3.73-1.40%$3.84$3.66817,515 shs$133.05 million06/19/2025$3.79$3.79$3.85$3.68228,044 shs$134.94 million06/18/2025$3.72$3.79+1.88%$3.85$3.68228,044 shs$134.94 million06/17/2025$3.67$3.72+1.28%$3.81$3.52241,799 shs$132.44 million06/16/2025$3.40$3.67+7.88%$3.78$3.46315,302 shs$130.76 million Related Companies Luxfer Stock Chart Aduro Clean Technologies Stock Chart ARQ Stock Chart Aemetis Stock Chart Verde Clean Fuels Stock Chart Comstock Stock Chart Zentek Stock Chart Alto Ingredients Stock Chart Origin Materials Stock Chart Flexible Solutions International 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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