Trinseo - 11 Year Stock Price History | TSE

Historical daily share price chart and data for Trinseo since 2014 adjusted for splits and dividends. The latest closing stock price for Trinseo as of May 19, 2025 is 2.79.
  • The all-time high Trinseo stock closing price was 68.56 on January 25, 2018.
  • The Trinseo 52-week high stock price is 7.05, which is 152.7% above the current share price.
  • The Trinseo 52-week low stock price is 1.94, which is 30.5% below the current share price.
  • The average Trinseo stock price for the last 52 weeks is 4.01.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Trinseo Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 4.1249 5.1425 5.9422 2.4500 2.7900 -45.00%
2024 4.1273 8.2875 8.2875 1.9960 5.0729 -38.42%
2023 14.6532 22.6092 29.6642 5.4135 8.2383 -62.31%
2022 35.4826 51.0364 54.6935 16.9690 21.8585 -55.07%
2021 53.2214 45.6898 68.3375 41.5486 48.6529 3.47%
2020 24.7332 31.6933 47.4252 12.7532 47.0212 46.65%
2019 35.7891 38.6581 43.4479 23.5406 32.0638 -15.61%
2018 58.0486 59.6631 68.5632 36.0189 37.9941 -35.66%
2017 54.5556 48.5602 60.3545 47.2964 59.0530 24.89%
2016 36.0638 22.0480 49.1981 17.7329 47.2844 112.94%
2015 19.5281 13.8194 25.8355 11.4256 22.2055 61.61%
Sector Industry Market Cap Revenue
Basic Materials Chemicals - Specialty $0.099B $3.513B
TRINSEO PLC is a materials solutions provider and manufacturer of plastics and latex binders. It serves automotive, consumer electronics, appliances, medical devices, packaging, footwear, carpet, paper and board and building and construction sector. TRINSEO PLC, formerly known as TRINSEO SA, is based in BERWYN, Pa.
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