Trinseo Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 21, 2025	1.88	1.89	1.78	1.81	-	-4.50%	259,536
Oct 20, 2025	1.93	1.93	1.85	1.89	1.89	0.53%	336,155
Oct 17, 2025	1.91	1.94	1.86	1.88	1.88	-1.57%	364,573
Oct 16, 2025	2.11	2.12	1.90	1.91	1.91	-9.05%	203,908
Oct 15, 2025	2.10	2.10	2.01	2.10	2.10	0.48%	248,871
Oct 14, 2025	2.02	2.10	1.97	2.09	2.09	1.95%	177,090
Oct 13, 2025	1.92	2.17	1.91	2.05	2.05	8.47%	299,308
Oct 10, 2025	2.01	2.01	1.88	1.89	1.89	-6.44%	604,728
Oct 9, 2025	2.01	2.04	1.95	2.02	2.02	-	482,792
Oct 8, 2025	2.03	2.09	1.99	2.02	2.02	-1.46%	378,806
Oct 7, 2025	2.12	2.12	2.01	2.05	2.05	-1.44%	212,803
Oct 6, 2025	2.30	2.30	2.04	2.08	2.08	-10.92%	514,829
Oct 3, 2025	2.32	2.41	2.32	2.34	2.34	1.52%	88,734
Oct 2, 2025	2.25	2.34	2.21	2.30	2.30	2.22%	105,499
Oct 1, 2025	2.33	2.39	2.25	2.25	2.25	-4.26%	118,866
Sep 30, 2025	2.36	2.38	2.27	2.35	2.35	-0.84%	155,268
Sep 29, 2025	2.48	2.53	2.36	2.37	2.37	-4.44%	166,755
Sep 26, 2025	2.59	2.64	2.48	2.48	2.48	-3.50%	218,725
Sep 25, 2025	2.60	2.63	2.47	2.57	2.57	-0.77%	275,156
Sep 24, 2025	2.62	2.73	2.55	2.59	2.59	-	219,677
Sep 23, 2025	2.58	2.64	2.53	2.59	2.59	-	179,025
Sep 22, 2025	2.51	2.63	2.40	2.59	2.59	1.17%	225,702
Sep 19, 2025	2.63	2.63	2.47	2.56	2.56	-2.29%	1,109,063
Sep 18, 2025	2.51	2.63	2.45	2.62	2.62	6.94%	174,028
Sep 17, 2025	2.55	2.69	2.45	2.45	2.45	-3.16%	316,416
Sep 16, 2025	2.38	2.55	2.36	2.53	2.53	5.42%	188,304
Sep 15, 2025	2.45	2.51	2.34	2.40	2.40	-1.64%	196,825
Sep 12, 2025	2.40	2.47	2.36	2.44	2.44	0.41%	119,296
Sep 11, 2025	2.26	2.48	2.26	2.43	2.43	7.05%	265,135
Sep 10, 2025	2.42	2.55	2.27	2.27	2.27	-6.20%	235,272
Sep 9, 2025	2.41	2.43	2.34	2.42	2.42	0.83%	133,589
Sep 8, 2025	2.44	2.45	2.31	2.40	2.40	-2.04%	210,039
Sep 5, 2025	2.40	2.49	2.37	2.45	2.45	3.81%	157,925
Sep 4, 2025	2.34	2.37	2.27	2.36	2.36	2.16%	242,681
Sep 3, 2025	2.38	2.42	2.28	2.31	2.31	-3.75%	181,572
Sep 2, 2025	2.36	2.41	2.33	2.40	2.40	-	218,403
Aug 29, 2025	2.42	2.45	2.34	2.40	2.40	-	157,220
Aug 28, 2025	2.48	2.48	2.38	2.40	2.40	-2.04%	137,551
Aug 27, 2025	2.42	2.51	2.39	2.45	2.45	1.24%	191,556
Aug 26, 2025	2.55	2.55	2.37	2.42	2.42	-3.59%	200,894
Aug 25, 2025	2.59	2.64	2.50	2.51	2.51	-3.83%	385,945
Aug 22, 2025	2.23	2.65	2.23	2.61	2.61	18.10%	442,226
Aug 21, 2025	2.33	2.35	2.17	2.21	2.21	-5.56%	385,384
Aug 20, 2025	2.35	2.39	2.31	2.34	2.34	-0.43%	123,539
Aug 19, 2025	2.42	2.48	2.33	2.35	2.35	-2.08%	252,699
Aug 18, 2025	2.52	2.55	2.40	2.40	2.40	-4.38%	297,327
Aug 15, 2025	2.59	2.60	2.44	2.51	2.51	3.29%	372,470
Aug 14, 2025	2.45	2.46	2.36	2.43	2.43	-3.19%	304,833
Aug 13, 2025	2.33	2.54	2.26	2.51	2.51	9.13%	371,329
Aug 12, 2025	2.10	2.33	2.07	2.30	2.30	12.20%	349,384