Koppers Holdings (KOP) Price: 40.18

Koppers Holdings, Inc. (KOP)

40.18 -0.57 (-1.40%) USD | NYSE | Oct 23, 16:00

40.14 -0.04 (-0.09%) After-Hours: 20:00

Price Chart

Historical Price Data

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Date	Open	High	Low	Close	Volume
Oct 23, 2026	40.37	40.75	39.31	40.18	216943.0
Oct 22, 2026	40.98	41.50	40.48	40.75	173322.0
Oct 21, 2026	41.96	41.96	40.93	41.34	333660.0
Oct 20, 2026	43.08	43.56	41.62	41.70	101563.0
Oct 19, 2026	43.43	43.78	42.82	42.91	100290.0
Oct 16, 2026	43.31	44.20	43.06	43.32	107920.0
Oct 15, 2026	43.92	44.39	43.14	43.44	110586.0
Oct 14, 2026	43.92	44.23	43.12	43.67	116628.0
Oct 13, 2026	43.09	44.43	42.69	44.41	144417.0
Oct 12, 2026	42.92	43.60	42.92	43.10	115129.0
Oct 09, 2026	44.22	44.22	42.88	43.41	134140.0
Oct 08, 2026	43.71	45.06	43.71	44.24	164793.0
Oct 07, 2026	45.21	45.54	43.75	43.88	140091.0
Oct 06, 2026	47.35	47.45	45.97	46.03	141379.0
Oct 05, 2026	45.88	47.79	45.51	47.04	282102.0
Oct 02, 2026	45.81	46.39	45.31	46.04	158975.0
Oct 01, 2026	45.20	45.46	44.33	45.19	196748.0
Sep 30, 2026	46.34	46.34	45.46	45.59	150737.0
Sep 29, 2026	46.26	46.44	45.52	46.08	103986.0
Sep 28, 2026	46.06	46.98	45.95	46.17	102957.0
Sep 25, 2026	46.00	46.51	45.51	46.27	100557.0
Sep 24, 2026	46.34	46.45	45.55	45.96	108109.0
Sep 23, 2026	45.98	46.42	45.09	46.26	126592.0
Sep 22, 2026	45.90	46.90	45.82	46.10	171677.0
Sep 21, 2026	45.72	46.31	45.19	45.61	142289.0

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