Koppers Holdings Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Nov 1, 2024	34.14	34.41	33.88	34.21	34.21	0.59%	83,601
Oct 31, 2024	34.33	34.51	34.00	34.01	34.01	-0.85%	78,163
Oct 30, 2024	34.29	34.91	34.27	34.30	34.30	-0.23%	71,084
Oct 29, 2024	34.43	34.70	34.18	34.38	34.38	-1.24%	76,927
Oct 28, 2024	34.46	34.95	34.31	34.81	34.81	1.40%	77,850
Oct 25, 2024	34.91	35.08	34.28	34.33	34.33	-1.21%	58,796
Oct 24, 2024	35.00	35.00	34.28	34.75	34.75	-0.06%	131,606
Oct 23, 2024	35.40	35.54	34.58	34.77	34.77	-2.61%	79,253
Oct 22, 2024	35.88	35.98	35.50	35.70	35.70	-0.94%	63,189
Oct 21, 2024	37.22	37.22	36.03	36.04	36.04	-2.67%	84,435
Oct 18, 2024	37.90	37.90	37.02	37.03	37.03	-2.17%	80,891
Oct 17, 2024	37.58	37.91	37.31	37.85	37.85	1.01%	67,887
Oct 16, 2024	37.28	37.83	37.16	37.47	37.47	1.52%	75,152
Oct 15, 2024	36.57	37.71	36.55	36.91	36.91	0.03%	93,774
Oct 14, 2024	36.82	36.95	36.47	36.90	36.90	-0.35%	44,122
Oct 11, 2024	36.70	37.08	36.48	37.03	37.03	1.26%	81,592
Oct 10, 2024	36.15	36.64	35.72	36.57	36.57	0.14%	81,001
Oct 9, 2024	36.24	37.34	36.15	36.52	36.52	0.58%	69,451
Oct 8, 2024	36.57	36.57	35.88	36.31	36.31	-1.20%	65,203
Oct 7, 2024	36.31	36.75	36.03	36.75	36.75	0.44%	253,008
Oct 4, 2024	35.88	36.62	35.88	36.59	36.59	3.89%	137,146
Oct 3, 2024	35.25	35.59	34.87	35.22	35.22	-1.34%	127,582
Oct 2, 2024	36.75	36.93	35.57	35.70	35.70	-2.80%	107,371
Oct 1, 2024	36.41	36.75	35.97	36.73	36.73	0.55%	165,362
Sep 30, 2024	36.98	37.09	36.41	36.53	36.53	-1.30%	126,252
Sep 27, 2024	37.47	37.79	36.90	37.01	37.01	-0.05%	91,812
Sep 26, 2024	36.77	37.24	36.69	37.03	37.03	2.07%	111,751
Sep 25, 2024	37.12	37.12	36.00	36.28	36.28	-2.29%	121,698
Sep 24, 2024	36.81	37.53	36.66	37.13	37.13	1.84%	138,865
Sep 23, 2024	36.64	37.04	36.43	36.46	36.46	-0.14%	106,143
Sep 20, 2024	37.04	37.20	36.44	36.51	36.51	-2.43%	636,157
Sep 19, 2024	37.82	37.87	36.93	37.42	37.42	1.49%	155,969
Sep 18, 2024	37.17	37.99	36.59	36.87	36.87	-0.51%	130,239
Sep 17, 2024	37.30	37.60	36.90	37.06	37.06	0.49%	134,406
Sep 16, 2024	37.37	37.72	36.54	36.88	36.88	-0.49%	101,426
Sep 13, 2024	37.19	37.64	36.78	37.06	37.06	1.09%	120,209
Sep 12, 2024	36.15	36.87	35.90	36.66	36.66	2.06%	116,642
Sep 11, 2024	36.18	36.18	34.81	35.92	35.92	-1.45%	142,695
Sep 10, 2024	36.01	36.70	35.71	36.45	36.45	1.17%	188,351
Sep 9, 2024	36.59	36.81	35.96	36.03	36.03	-1.61%	129,867
Sep 6, 2024	37.15	37.43	36.51	36.62	36.62	-1.51%	103,185
Sep 5, 2024	38.24	38.24	36.95	37.18	37.18	-2.31%	263,531
Sep 4, 2024	38.57	38.81	38.06	38.06	38.06	-1.40%	125,863
Sep 3, 2024	39.05	39.16	38.35	38.60	38.60	-2.48%	150,063
Aug 30, 2024	39.33	39.69	39.11	39.58	39.58	1.54%	183,015
Aug 29, 2024	38.89	39.39	38.19	38.98	38.91	0.67%	186,750
Aug 28, 2024	38.86	39.18	38.48	38.72	38.65	-0.59%	101,988
Aug 27, 2024	39.18	39.77	38.68	38.95	38.88	-1.27%	140,098
Aug 26, 2024	39.35	40.07	39.20	39.45	39.38	0.84%	118,108
Aug 23, 2024	38.17	39.40	37.86	39.12	39.05	3.93%	218,546
Aug 22, 2024	37.77	38.00	37.52	37.64	37.57	-0.19%	305,866
Aug 21, 2024	37.84	37.93	37.51	37.71	37.64	0.48%	115,795
Aug 20, 2024	37.46	37.79	37.25	37.53	37.46	-0.19%	139,499
Aug 19, 2024	37.79	38.10	37.55	37.60	37.53	0.29%	94,217
Aug 16, 2024	37.37	37.62	37.07	37.49	37.42	-0.03%	93,663
Aug 15, 2024	37.87	38.03	37.25	37.50	37.43	1.68%	155,179
Aug 14, 2024	37.00	37.13	36.11	36.88	36.82	0.30%	171,476
Aug 13, 2024	35.80	36.86	35.34	36.77	36.71	3.75%	313,084
Aug 12, 2024	34.95	35.78	34.85	35.44	35.38	1.40%	260,935
Aug 9, 2024	35.28	36.00	34.55	34.95	34.89	-1.72%	304,872
Aug 8, 2024	35.45	36.79	35.32	35.56	35.50	0.71%	390,059
Aug 7, 2024	35.50	35.74	34.85	35.31	35.25	-0.03%	171,654
Aug 6, 2024	34.22	35.51	34.00	35.32	35.26	2.88%	162,591
Aug 5, 2024	34.83	34.83	33.80	34.33	34.27	-5.87%	111,355
Aug 2, 2024	37.13	37.13	35.89	36.47	36.41	-5.05%	94,822
Aug 1, 2024	40.64	40.98	38.06	38.41	38.34	-5.65%	134,280
Jul 31, 2024	39.89	41.64	39.64	40.71	40.64	2.31%	142,157
Jul 30, 2024	39.60	40.29	39.36	39.79	39.72	-0.08%	118,322
Jul 29, 2024	39.80	39.83	38.85	39.82	39.75	0.05%	126,146
Jul 26, 2024	40.14	40.45	39.29	39.80	39.73	0.56%	79,758
Jul 25, 2024	38.70	40.05	38.66	39.58	39.51	2.41%	121,359
Jul 24, 2024	39.04	39.35	38.31	38.65	38.58	-1.53%	211,529
Jul 23, 2024	39.04	39.58	38.42	39.25	39.18	0.72%	151,332
Jul 22, 2024	38.85	39.17	37.99	38.97	38.90	0.52%	161,037
Jul 19, 2024	38.84	38.87	37.92	38.77	38.70	-0.36%	155,928
Jul 18, 2024	38.70	39.73	38.60	38.91	38.84	-0.41%	174,771
Jul 17, 2024	38.02	39.40	38.02	39.07	39.00	1.82%	184,544
Jul 16, 2024	37.29	38.72	37.22	38.37	38.30	3.45%	195,947
Jul 15, 2024	36.64	37.55	36.34	37.09	37.03	1.92%	216,952
Jul 12, 2024	36.78	36.90	36.23	36.39	36.33	0.28%	139,728
Jul 11, 2024	35.46	37.13	35.46	36.29	36.23	4.49%	137,410
Jul 10, 2024	34.68	34.76	34.32	34.73	34.67	0.87%	130,010
Jul 9, 2024	35.14	35.14	34.31	34.43	34.37	-2.44%	109,590
Jul 8, 2024	35.57	35.69	35.05	35.29	35.23	0.20%	202,407
Jul 5, 2024	36.48	36.48	34.91	35.22	35.16	-4.22%	116,615
Jul 3, 2024	36.91	37.09	36.57	36.77	36.71	-0.30%	96,663
Jul 2, 2024	36.34	36.95	36.23	36.88	36.82	1.99%	163,691
Jul 1, 2024	37.13	37.48	35.90	36.16	36.10	-2.24%	169,918
Jun 28, 2024	37.66	37.95	36.85	36.99	36.93	-0.59%	361,613
Jun 27, 2024	37.92	38.03	36.91	37.21	37.14	-1.38%	106,963
Jun 26, 2024	37.50	37.85	36.96	37.73	37.66	0.37%	258,721
Jun 25, 2024	38.31	38.73	37.56	37.59	37.52	-2.79%	108,679
Jun 24, 2024	38.71	39.11	38.59	38.67	38.60	0.44%	98,009
Jun 21, 2024	38.63	38.63	38.12	38.50	38.43	-0.95%	400,788
Jun 20, 2024	39.21	39.93	38.85	38.87	38.80	-1.35%	101,327
Jun 18, 2024	39.50	40.05	39.40	39.40	39.33	-0.03%	200,877
Jun 17, 2024	39.22	39.57	38.96	39.41	39.34	0.72%	167,963
Jun 14, 2024	39.79	40.11	38.67	39.13	39.06	-2.83%	130,258
Jun 13, 2024	40.78	40.81	39.86	40.27	40.20	-1.90%	145,430
Jun 12, 2024	42.30	42.58	41.05	41.05	40.98	-0.29%	124,400