Koppers Holdings Inc. - KOP - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
February 20, 2026	34.81	35.11	35.11	35.16	34.16	129,446
February 19, 2026	35.07	34.61	34.61	35.12	34.14	124,629
February 18, 2026	35.07	35.06	35.06	35.7	34.63	199,929
February 17, 2026	34.12	35.07	35.07	35.44	33.14	178,621
February 13, 2026	34.29	34.3	34.3	34.81	34	209,824
February 12, 2026	34.53	34.22	34.22	34.91	33.52	243,463
February 11, 2026	33.35	34.21	34.21	34.21	32.92	154,700
February 10, 2026	32.63	33.2	33.2	33.62	32.63	155,000
February 09, 2026	32.25	32.5	32.5	32.77	31.66	112,335
February 06, 2026	31.83	32.3	32.3	32.51	31.57	168,548
February 05, 2026	31.24	31.5	31.5	31.67	30.83	174,848
February 04, 2026	30.57	31.22	31.22	31.88	30.46	200,300
February 03, 2026	29.58	30.31	30.31	30.74	29.33	145,700
February 02, 2026	29.47	29.69	29.69	30	29.15	155,739
January 30, 2026	29.22	29.46	29.46	29.83	28.99	156,000
January 29, 2026	29.44	29.62	29.62	29.68	29	147,501
January 28, 2026	29.12	29.24	29.24	29.28	28.79	91,703
January 27, 2026	29.06	29.12	29.12	29.17	28.77	83,820
January 26, 2026	29.03	29.13	29.13	29.22	28.65	94,400
January 23, 2026	29.34	28.97	28.97	29.46	28.88	97,124
January 22, 2026	29.85	29.45	29.45	30.22	29.37	123,812
January 21, 2026	28.22	29.52	29.52	29.6	28.22	126,543
January 20, 2026	28.5	28.16	28.16	28.56	27.96	112,400
January 16, 2026	28.92	29.08	29.08	29.25	28.75	170,400
January 15, 2026	29.39	29.24	29.24	29.66	29.02	100,500
January 14, 2026	28.9	29.36	29.36	29.72	28.67	107,783
January 13, 2026	28.92	28.74	28.74	29.91	28.71	117,000
January 12, 2026	28.25	28.93	28.93	29.01	27.49	115,600
January 09, 2026	27.04	28.33	28.33	28.47	26.81	220,024
January 08, 2026	26.8	27.62	27.62	27.83	26.77	85,747
January 07, 2026	27.65	26.93	26.93	27.77	26.79	123,935
January 06, 2026	26.75	27.63	27.63	27.72	26.55	247,845
January 05, 2026	26.52	26.93	26.93	27.49	26.52	102,511
January 02, 2026	27.04	26.67	26.67	27.29	26.65	122,918
December 31, 2025	27.39	27.08	27.08	27.48	27	116,443
December 30, 2025	27.2	27.35	27.35	27.6	27.01	115,629
December 29, 2025	26.94	27.29	27.29	27.31	26.64	139,900
December 26, 2025	27.15	26.95	26.95	27.24	26.78	94,264
December 24, 2025	26.89	27.25	27.25	27.29	26.88	54,900
December 23, 2025	27.26	26.85	26.85	27.33	26.76	80,812
December 22, 2025	27.42	27.27	27.27	28.13	27.21	182,021
December 19, 2025	27.92	27.49	27.49	28	27.08	325,900
December 18, 2025	28.17	28.13	28.13	28.68	27.88	143,100
December 17, 2025	28.51	28.3	28.3	28.83	28.17	106,645
December 16, 2025	28.47	28.62	28.62	29.04	28.12	220,602
December 15, 2025	29.06	28.49	28.49	29.47	28.42	120,300
December 12, 2025	29.25	29.01	29.01	29.8	28.92	151,539
December 11, 2025	29.04	29.26	29.26	29.34	28.72	109,517
December 10, 2025	27.69	28.78	28.78	29.09	27.69	192,800
December 09, 2025	28.25	27.79	27.79	28.41	27.47	165,243
December 08, 2025	28.08	28.05	28.05	28.61	27.87	154,000
December 05, 2025	27.84	28.01	28.01	28.49	27.84	106,218
December 04, 2025	29.08	28.05	28.04	29.25	28	87,619
December 03, 2025	29.24	29.2	29.2	29.71	28.81	105,900
December 02, 2025	29.77	29.22	29.22	29.77	28.92	133,600
December 01, 2025	29.43	29.62	29.62	30.08	29.43	90,220
November 28, 2025	29.62	29.67	29.67	29.91	29.4	94,336
November 26, 2025	29.55	29.7	29.62	30.35	29.55	196,041
November 25, 2025	28.75	29.89	29.81	30.13	28.71	195,246
November 24, 2025	28.26	28.55	28.47	28.64	27.7	166,229

Koppers Holdings Inc. (KOP) NYSE