Koppers Holdings Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Dec 20, 2024	31.00	31.72	30.64	31.01	31.01	-1.08%	1,021,626
Dec 19, 2024	31.52	31.81	31.26	31.35	31.35	0.13%	195,766
Dec 18, 2024	31.93	32.34	30.95	31.31	31.31	-1.29%	202,846
Dec 17, 2024	32.37	32.48	31.67	31.72	31.72	-3.32%	138,876
Dec 16, 2024	33.83	33.95	32.40	32.81	32.81	-2.96%	145,664
Dec 13, 2024	33.60	34.20	33.38	33.81	33.81	0.09%	75,692
Dec 12, 2024	34.49	34.60	33.73	33.78	33.78	-2.40%	137,766
Dec 11, 2024	35.35	35.57	34.42	34.61	34.61	-1.31%	111,075
Dec 10, 2024	35.01	35.86	34.43	35.07	35.07	0.34%	132,276
Dec 9, 2024	36.20	36.32	34.94	34.95	34.95	-2.84%	142,982
Dec 6, 2024	37.27	37.27	35.65	35.97	35.97	-0.64%	124,768
Dec 5, 2024	37.24	37.51	36.05	36.20	36.20	-2.92%	105,864
Dec 4, 2024	38.00	38.00	36.88	37.29	37.29	-1.87%	125,800
Dec 3, 2024	39.23	39.23	37.93	38.00	38.00	-3.14%	133,216
Dec 2, 2024	38.50	39.46	38.24	39.23	39.23	2.00%	76,488
Nov 29, 2024	38.64	38.84	38.35	38.46	38.46	0.08%	64,424
Nov 27, 2024	38.52	39.30	38.30	38.43	38.36	0.37%	60,504
Nov 26, 2024	38.80	38.80	37.98	38.29	38.22	-1.87%	70,399
Nov 25, 2024	38.11	39.79	38.11	39.02	38.95	2.04%	137,727
Nov 22, 2024	37.92	38.62	37.78	38.24	38.17	1.22%	128,560
Nov 21, 2024	37.99	38.64	37.72	37.78	37.71	0.64%	127,838
Nov 20, 2024	37.08	37.57	36.51	37.54	37.47	0.45%	243,534
Nov 19, 2024	38.09	38.12	36.91	37.37	37.30	-3.46%	121,946
Nov 18, 2024	36.63	39.37	36.61	38.71	38.64	6.17%	180,510
Nov 15, 2024	37.79	37.79	36.05	36.46	36.39	-2.93%	113,210
Nov 14, 2024	37.79	38.00	36.89	37.56	37.49	-0.95%	142,132
Nov 13, 2024	38.07	38.17	37.36	37.92	37.85	-0.29%	187,074
Nov 12, 2024	37.58	38.44	36.98	38.03	37.96	0.72%	130,855
Nov 11, 2024	37.26	38.33	37.19	37.76	37.69	1.45%	97,521
Nov 8, 2024	39.10	39.83	36.26	37.22	37.15	-2.13%	179,178
Nov 7, 2024	38.75	38.82	37.83	38.03	37.96	-2.44%	119,830
Nov 6, 2024	37.17	39.52	36.71	38.98	38.91	10.99%	171,755
Nov 5, 2024	34.34	35.24	34.34	35.12	35.06	1.44%	103,544
Nov 4, 2024	34.19	34.75	34.11	34.62	34.56	1.20%	102,476
Nov 1, 2024	34.14	34.41	33.88	34.21	34.15	0.59%	83,601
Oct 31, 2024	34.33	34.51	34.00	34.01	33.95	-0.85%	78,163
Oct 30, 2024	34.29	34.91	34.27	34.30	34.24	-0.23%	71,084
Oct 29, 2024	34.43	34.70	34.18	34.38	34.32	-1.24%	76,927
Oct 28, 2024	34.46	34.95	34.31	34.81	34.75	1.40%	77,850
Oct 25, 2024	34.91	35.08	34.28	34.33	34.27	-1.21%	58,796
Oct 24, 2024	35.00	35.00	34.28	34.75	34.69	-0.06%	131,606
Oct 23, 2024	35.40	35.54	34.58	34.77	34.71	-2.61%	79,253
Oct 22, 2024	35.88	35.98	35.50	35.70	35.64	-0.94%	63,189
Oct 21, 2024	37.22	37.22	36.03	36.04	35.98	-2.67%	84,435
Oct 18, 2024	37.90	37.90	37.02	37.03	36.96	-2.17%	80,891
Oct 17, 2024	37.58	37.91	37.31	37.85	37.78	1.01%	67,887
Oct 16, 2024	37.28	37.83	37.16	37.47	37.40	1.52%	75,152
Oct 15, 2024	36.57	37.71	36.55	36.91	36.84	0.03%	93,774
Oct 14, 2024	36.82	36.95	36.47	36.90	36.83	-0.35%	44,122
Oct 11, 2024	36.70	37.08	36.48	37.03	36.96	1.26%	81,592
Oct 10, 2024	36.15	36.64	35.72	36.57	36.50	0.14%	81,001
Oct 9, 2024	36.24	37.34	36.15	36.52	36.45	0.58%	69,451
Oct 8, 2024	36.57	36.57	35.88	36.31	36.24	-1.20%	65,203
Oct 7, 2024	36.31	36.75	36.03	36.75	36.68	0.44%	253,008
Oct 4, 2024	35.88	36.62	35.88	36.59	36.52	3.89%	137,146
Oct 3, 2024	35.25	35.59	34.87	35.22	35.16	-1.34%	127,582
Oct 2, 2024	36.75	36.93	35.57	35.70	35.64	-2.80%	107,371
Oct 1, 2024	36.41	36.75	35.97	36.73	36.66	0.55%	165,362
Sep 30, 2024	36.98	37.09	36.41	36.53	36.46	-1.30%	126,252
Sep 27, 2024	37.47	37.79	36.90	37.01	36.94	-0.05%	91,812
Sep 26, 2024	36.77	37.24	36.69	37.03	36.96	2.07%	111,751
Sep 25, 2024	37.12	37.12	36.00	36.28	36.21	-2.29%	121,698
Sep 24, 2024	36.81	37.53	36.66	37.13	37.06	1.84%	138,865
Sep 23, 2024	36.64	37.04	36.43	36.46	36.39	-0.14%	106,143
Sep 20, 2024	37.04	37.20	36.44	36.51	36.44	-2.43%	636,157
Sep 19, 2024	37.82	37.87	36.93	37.42	37.35	1.49%	155,969
Sep 18, 2024	37.17	37.99	36.59	36.87	36.80	-0.51%	130,239
Sep 17, 2024	37.30	37.60	36.90	37.06	36.99	0.49%	134,406
Sep 16, 2024	37.37	37.72	36.54	36.88	36.81	-0.49%	101,426
Sep 13, 2024	37.19	37.64	36.78	37.06	36.99	1.09%	120,209
Sep 12, 2024	36.15	36.87	35.90	36.66	36.59	2.06%	116,642
Sep 11, 2024	36.18	36.18	34.81	35.92	35.86	-1.45%	142,695
Sep 10, 2024	36.01	36.70	35.71	36.45	36.38	1.17%	188,351
Sep 9, 2024	36.59	36.81	35.96	36.03	35.97	-1.61%	129,867
Sep 6, 2024	37.15	37.43	36.51	36.62	36.55	-1.51%	103,185
Sep 5, 2024	38.24	38.24	36.95	37.18	37.11	-2.31%	263,531
Sep 4, 2024	38.57	38.81	38.06	38.06	37.99	-1.40%	125,863
Sep 3, 2024	39.05	39.16	38.35	38.60	38.53	-2.48%	150,063
Aug 30, 2024	39.33	39.69	39.11	39.58	39.51	1.54%	183,015
Aug 29, 2024	38.89	39.39	38.19	38.98	38.84	0.67%	186,750
Aug 28, 2024	38.86	39.18	38.48	38.72	38.58	-0.59%	101,988
Aug 27, 2024	39.18	39.77	38.68	38.95	38.81	-1.27%	140,098
Aug 26, 2024	39.35	40.07	39.20	39.45	39.31	0.84%	118,108
Aug 23, 2024	38.17	39.40	37.86	39.12	38.98	3.93%	218,546
Aug 22, 2024	37.77	38.00	37.52	37.64	37.51	-0.19%	305,866
Aug 21, 2024	37.84	37.93	37.51	37.71	37.58	0.48%	115,795
Aug 20, 2024	37.46	37.79	37.25	37.53	37.40	-0.19%	139,499
Aug 19, 2024	37.79	38.10	37.55	37.60	37.47	0.29%	94,217
Aug 16, 2024	37.37	37.62	37.07	37.49	37.36	-0.03%	93,663
Aug 15, 2024	37.87	38.03	37.25	37.50	37.37	1.68%	155,179
Aug 14, 2024	37.00	37.13	36.11	36.88	36.75	0.30%	171,476
Aug 13, 2024	35.80	36.86	35.34	36.77	36.64	3.75%	313,084
Aug 12, 2024	34.95	35.78	34.85	35.44	35.31	1.40%	260,935
Aug 9, 2024	35.28	36.00	34.55	34.95	34.83	-1.72%	304,872
Aug 8, 2024	35.45	36.79	35.32	35.56	35.43	0.71%	390,059
Aug 7, 2024	35.50	35.74	34.85	35.31	35.18	-0.03%	171,654
Aug 6, 2024	34.22	35.51	34.00	35.32	35.19	2.88%	162,591
Aug 5, 2024	34.83	34.83	33.80	34.33	34.21	-5.87%	111,355
Aug 2, 2024	37.13	37.13	35.89	36.47	36.34	-5.05%	94,822
Aug 1, 2024	40.64	40.98	38.06	38.41	38.27	-5.65%	134,280