Trinseo - 12 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 February 13, 2026 is 0.39.
  • The all-time high Trinseo stock closing price was 68.33 on January 25, 2018.
  • The Trinseo 52-week high stock price is 5.99, which is 1435.9% above the current share price.
  • The Trinseo 52-week low stock price is 0.37, which is 5.1% below the current share price.
  • The average Trinseo stock price for the last 52 weeks is 2.40.
Trinseo Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 0.5216 0.6440 0.8110 0.3910 0.3910 -21.33%
2025 2.8701 5.1252 5.9222 0.4700 0.4970 -90.17%
2024 4.1135 8.2597 8.2597 1.9893 5.0558 -38.42%
2023 14.6040 22.5334 29.5647 5.3953 8.2107 -62.31%
2022 35.3635 50.8651 54.5099 16.9120 21.7851 -55.07%
2021 53.0428 45.5365 68.1082 41.4091 48.4896 3.47%
2020 24.6502 31.5869 47.2661 12.7104 46.8634 46.65%
2019 35.6690 38.5283 43.3021 23.4616 31.9562 -15.61%
2018 57.8538 59.4629 68.3331 35.8980 37.8666 -35.66%
2017 54.3725 48.3973 60.1519 47.1377 58.8549 24.89%
2016 35.9427 21.9740 49.0330 17.6734 47.1257 112.94%
2015 19.4626 13.7730 25.7488 11.3873 22.1310 61.61%
Sector Industry Market Cap Revenue
Basic Materials Chemicals - Specialty $0.014B $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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