Trinseo PLC (TSE) Stock Price History
Historical prices from 2014 to 2026
- 1M
- —
- 3M
- —
- YTD
- -80.6%
- 1Y
- -96.3%
- 3Y
- -78.4%
- 5Y
- -70.7%
Loading 10-year price history...
TSE Historical Performance
TSE Annual Returns
Year-by-year price performance · 2014–2026
- 2014 annual price return
- -13.8%
- 2015 annual price return
- +60.7%
- 2016 annual price return
- +111.8%
- 2017 annual price return
- +19.2%
- 2018 annual price return
- -37.6%
- 2019 annual price return
- -20.1%
- 2020 annual price return
- +39.2%
- 2021 annual price return
- +5.4%
- 2022 annual price return
- -58.7%
- 2023 annual price return
- -64.4%
- 2024 annual price return
- -39.4%
- 2025 annual price return
- -90.4%
- 2026 annual price return
- -64.3%
TSE Stock Price Trajectory (2014–2026)
As of June 28, 2026, Trinseo PLC (TSE) trades at $0.13, representing a -96.3% return over the past year. The stock has delivered a -95.9% total return over five years (-70.7% CAGR), reflecting challenging market conditions.
The stock reached its all-time high of $85.35 on January 29, 2018. From this peak, TSE has corrected -99.9%, currently trading 93% below its 200-day moving average, suggesting potential weakness.
When compared to Basic Materials sector peers EMN (-7.1% 1Y), HUN (+9.2% 1Y), and AVNT (+14.7% 1Y), TSE has underperformed the peer group average. Compare TSE vs EMN →
TSE Historical Price Data · from 2014
Rows 1–50 of 2,954| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-03-18 | 0.10 | 0.18 | 0.07 | 0.13 | 262K | -37.50% |
| 2026-03-17 | 0.10 | 0.20 | 0.06 | 0.20 | 506K | +81.82% |
| 2026-03-13 | 0.09 | 0.12 | 0.09 | 0.11 | 45K | 0.00% |
| 2026-03-12 | 0.09 | 0.14 | 0.09 | 0.11 | 83K | -37.14% |
| 2026-03-11 | 0.09 | 0.17 | 0.06 | 0.17 | 158K | +59.09% |
| 2026-03-04 | 0.08 | 0.19 | 0.08 | 0.11 | 1.16M | -52.17% |
| 2026-03-02 | 0.23 | 0.23 | 0.23 | 0.23 | 864K | 0.00% |
| 2026-02-27 | 0.25 | 0.25 | 0.23 | 0.23 | 899K | -7.59% |
| 2026-02-26 | 0.25 | 0.28 | 0.24 | 0.25 | 1.68M | -1.58% |
| 2026-02-25 | 0.25 | 0.26 | 0.24 | 0.25 | 761K | -3.84% |
| 2026-02-24 | 0.28 | 0.28 | 0.25 | 0.26 | 818K | -2.63% |
| 2026-02-23 | 0.30 | 0.32 | 0.25 | 0.27 | 1.31M | -17.55% |
| 2026-02-20 | 0.34 | 0.34 | 0.31 | 0.33 | 0 | +1.61% |
| 2026-02-19 | 0.35 | 0.40 | 0.31 | 0.32 | 614K | -20.98% |
| 2026-02-18 | 0.32 | 0.41 | 0.31 | 0.41 | 931K | +14.70% |
| 2026-02-17 | 0.40 | 0.40 | 0.35 | 0.36 | 234K | -9.03% |
| 2026-02-13 | 0.43 | 0.45 | 0.37 | 0.39 | 522K | -4.40% |
| 2026-02-12 | 0.44 | 0.46 | 0.40 | 0.41 | 892K | -5.98% |
| 2026-02-11 | 0.48 | 0.48 | 0.43 | 0.43 | 279K | -5.84% |
| 2026-02-10 | 0.49 | 0.51 | 0.45 | 0.46 | 602K | -1.49% |
| 2026-02-09 | 0.47 | 0.47 | 0.44 | 0.47 | 358K | 0.00% |
| 2026-02-06 | 0.45 | 0.47 | 0.43 | 0.47 | 292K | +4.45% |
| 2026-02-05 | 0.47 | 0.47 | 0.42 | 0.45 | 347K | -3.85% |
| 2026-02-04 | 0.44 | 0.47 | 0.43 | 0.47 | 497K | +3.55% |
| 2026-02-03 | 0.44 | 0.45 | 0.42 | 0.45 | 455K | +0.22% |
| 2026-02-02 | 0.43 | 0.45 | 0.42 | 0.45 | 642K | 0.00% |
| 2026-01-30 | 0.46 | 0.47 | 0.43 | 0.45 | 589K | -6.25% |
| 2026-01-29 | 0.48 | 0.50 | 0.44 | 0.48 | 577K | 0.00% |
| 2026-01-28 | 0.50 | 0.50 | 0.45 | 0.48 | 602K | -4.00% |
| 2026-01-27 | 0.49 | 0.50 | 0.46 | 0.50 | 656K | +2.04% |
| 2026-01-26 | 0.48 | 0.49 | 0.45 | 0.49 | 351K | +3.16% |
| 2026-01-24 | 0.46 | 0.48 | 0.43 | 0.47 | 1.20M | 0.00% |
| 2026-01-23 | 0.46 | 0.48 | 0.43 | 0.47 | 1.25M | +3.26% |
| 2026-01-22 | 0.48 | 0.49 | 0.44 | 0.46 | 711K | -4.76% |
| 2026-01-21 | 0.49 | 0.49 | 0.46 | 0.48 | 672K | +0.63% |
| 2026-01-20 | 0.50 | 0.50 | 0.44 | 0.48 | 1.61M | -3.42% |
| 2026-01-16 | 0.55 | 0.56 | 0.50 | 0.50 | 967K | -9.64% |
| 2026-01-15 | 0.55 | 0.58 | 0.53 | 0.55 | 728K | +1.66% |
| 2026-01-14 | 0.58 | 0.59 | 0.53 | 0.54 | 884K | -7.68% |
| 2026-01-13 | 0.63 | 0.66 | 0.59 | 0.59 | 510K | -3.93% |
| 2026-01-12 | 0.75 | 0.75 | 0.58 | 0.61 | 2.53M | -22.78% |
| 2026-01-09 | 0.83 | 0.95 | 0.76 | 0.79 | 1.92M | -2.59% |
| 2026-01-08 | 0.62 | 0.82 | 0.62 | 0.81 | 4.00M | +31.66% |
| 2026-01-07 | 0.64 | 0.64 | 0.59 | 0.62 | 602K | -3.75% |
| 2026-01-06 | 0.61 | 0.67 | 0.56 | 0.64 | 989K | +4.40% |
| 2026-01-05 | 0.63 | 0.64 | 0.59 | 0.61 | 688K | -4.81% |
| 2026-01-02 | 0.50 | 0.64 | 0.50 | 0.64 | 1.71M | +29.58% |
| 2025-12-31 | 0.51 | 0.51 | 0.47 | 0.50 | 1.28M | -4.24% |
| 2025-12-30 | 0.56 | 0.57 | 0.50 | 0.52 | 542K | -5.64% |
| 2025-12-29 | 0.53 | 0.55 | 0.48 | 0.55 | 1.79M | 0.00% |
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
10-year return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
TSE — Frequently Asked Questions
Quick answers to the most common questions about buying TSE stock.
How has TSE stock performed recently?
TSE declined -96.3% over the past year, below its 5-year annualized CAGR of -70.7%. The stock trades below its 200-day moving average, reflecting the downtrend.
What is TSE's all-time high price?
Trinseo PLC reached $85.35 on 2018-01-29. The 52-week high is $3.56. Current 1-year return of -96.3% places the stock further from historical peaks.
Where can I download TSE historical price data?
This page provides TSE daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2014-2026, downloadable in CSV format.