Trinseo Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Feb 23, 2026	0.30	0.32	0.25	0.27	0.27	-17.55%	1,306,656
Feb 20, 2026	0.34	0.34	0.31	0.33	0.33	1.61%	412,086
Feb 19, 2026	0.35	0.41	0.31	0.32	0.32	-20.98%	613,271
Feb 18, 2026	0.32	0.41	0.31	0.41	0.41	25.54%	929,230
Feb 17, 2026	0.40	0.40	0.27	0.33	0.33	-16.88%	1,777,955
Feb 13, 2026	0.43	0.45	0.37	0.39	0.39	-4.28%	521,517
Feb 12, 2026	0.44	0.46	0.40	0.41	0.41	-6.18%	854,304
Feb 11, 2026	0.48	0.48	0.43	0.44	0.44	-5.80%	275,235
Feb 10, 2026	0.49	0.51	0.45	0.46	0.46	-1.45%	601,986
Feb 9, 2026	0.47	0.47	0.44	0.47	0.47	-	357,363
Feb 6, 2026	0.45	0.47	0.43	0.47	0.47	4.45%	288,191
Feb 5, 2026	0.47	0.47	0.42	0.45	0.45	-3.85%	347,021
Feb 4, 2026	0.44	0.47	0.43	0.47	0.47	3.59%	492,862
Feb 3, 2026	0.44	0.45	0.42	0.45	0.45	0.18%	445,626
Feb 2, 2026	0.43	0.45	0.42	0.45	0.45	-	622,773
Jan 30, 2026	0.46	0.47	0.43	0.45	0.45	-6.25%	588,548
Jan 29, 2026	0.48	0.50	0.44	0.48	0.48	-	577,016
Jan 28, 2026	0.50	0.50	0.45	0.48	0.48	-4.00%	600,190
Jan 27, 2026	0.49	0.50	0.46	0.50	0.50	2.04%	654,872
Jan 26, 2026	0.48	0.49	0.45	0.49	0.49	3.16%	351,145
Jan 23, 2026	0.46	0.48	0.43	0.48	0.48	3.33%	1,221,396
Jan 22, 2026	0.48	0.49	0.44	0.46	0.46	-4.76%	705,144
Jan 21, 2026	0.49	0.49	0.46	0.48	0.48	0.48%	671,683
Jan 20, 2026	0.50	0.50	0.44	0.48	0.48	-3.34%	1,609,328
Jan 16, 2026	0.55	0.56	0.50	0.50	0.50	-9.64%	965,115
Jan 15, 2026	0.55	0.58	0.53	0.55	0.55	1.66%	727,722
Jan 14, 2026	0.58	0.59	0.53	0.54	0.54	-7.66%	883,979
Jan 13, 2026	0.63	0.66	0.59	0.59	0.59	-3.95%	509,287
Jan 12, 2026	0.75	0.75	0.58	0.61	0.61	-22.78%	2,522,763
Jan 9, 2026	0.83	0.95	0.76	0.79	0.79	-2.63%	1,923,799
Jan 8, 2026	0.62	0.82	0.62	0.81	0.81	31.71%	4,016,351
Jan 7, 2026	0.64	0.64	0.59	0.62	0.62	-3.72%	601,861
Jan 6, 2026	0.61	0.67	0.56	0.64	0.64	4.32%	988,483
Jan 5, 2026	0.63	0.64	0.59	0.61	0.61	-4.78%	687,564
Jan 2, 2026	0.50	0.64	0.50	0.64	0.64	29.58%	1,713,260
Dec 31, 2025	0.51	0.51	0.47	0.50	0.50	-4.26%	1,284,164
Dec 30, 2025	0.56	0.57	0.50	0.52	0.52	-5.62%	543,616
Dec 29, 2025	0.53	0.55	0.48	0.55	0.55	-	1,786,062
Dec 26, 2025	0.49	0.57	0.49	0.55	0.55	-0.54%	1,339,162
Dec 24, 2025	0.47	0.62	0.47	0.55	0.55	16.20%	8,549,559
Dec 23, 2025	0.48	0.50	0.45	0.48	0.48	-1.39%	648,478
Dec 22, 2025	0.50	0.52	0.47	0.48	0.48	-3.48%	762,986
Dec 19, 2025	0.50	0.51	0.46	0.50	0.50	6.38%	1,661,415
Dec 18, 2025	0.49	0.53	0.47	0.47	0.47	-6.02%	1,197,151
Dec 17, 2025	0.51	0.51	0.49	0.50	0.50	3.45%	830,187
Dec 16, 2025	0.56	0.57	0.48	0.48	0.48	-12.13%	1,388,407
Dec 15, 2025	0.63	0.63	0.55	0.55	0.55	-12.95%	854,431
Dec 12, 2025	0.62	0.65	0.61	0.63	0.63	1.04%	843,054
Dec 11, 2025	0.67	0.67	0.60	0.63	0.63	-4.81%	829,197
Dec 10, 2025	0.76	0.76	0.63	0.66	0.66	-6.28%	1,085,798