Koppers Holdings Inc. (KOP)
NYSE:KOP
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Time Period
1Y
Events
Historical Prices
Rows:
Apr 30, 2026
39.73
41.06
39.73
40.83
40.83
+2.59%
109,595
0.53
Apr 29, 2026
41.61
41.61
39.75
39.80
39.80
-4.00%
166,536
0.80
Apr 28, 2026
41.50
42.17
40.91
41.46
41.46
+0.27%
193,660
0.94
Apr 27, 2026
40.47
41.42
40.31
41.35
41.35
+2.66%
153,692
0.75
Apr 24, 2026
39.00
40.49
38.85
40.28
40.28
+4.22%
168,990
0.83
Apr 23, 2026
38.12
38.80
37.66
38.65
38.65
+1.68%
129,033
0.63
Apr 22, 2026
38.06
38.06
37.42
38.01
38.01
+1.31%
83,166
0.41
Apr 21, 2026
37.58
38.19
36.74
37.52
37.52
+0.21%
150,685
0.74
Apr 20, 2026
37.58
37.96
37.35
37.44
37.44
-0.66%
71,675
0.35
Apr 17, 2026
36.92
38.13
36.56
37.69
37.69
+1.92%
161,846
0.80
Apr 16, 2026
37.35
37.85
36.77
36.98
36.98
-1.49%
125,415
0.62
Apr 15, 2026
38.27
38.27
37.43
37.54
37.54
-2.34%
102,118
0.50
Apr 14, 2026
38.28
38.89
37.90
38.44
38.44
+0.05%
122,342
0.61
Apr 13, 2026
37.46
38.46
37.14
38.42
38.42
+2.62%
118,009
0.58
Apr 10, 2026
37.07
37.50
37.07
37.44
37.44
+1.08%
87,577
0.43
Apr 09, 2026
37.21
37.61
36.70
37.04
37.04
-0.86%
147,546
0.73
Apr 08, 2026
37.20
37.50
36.93
37.36
37.36
+1.88%
186,732
0.92
Apr 07, 2026
35.75
36.73
35.62
36.67
36.67
+2.46%
217,679
1.08
Apr 06, 2026
37.18
37.19
35.68
35.79
35.79
-4.02%
212,520
1.07
Apr 03, 2026
36.94
37.84
36.31
37.29
37.29
0.00%
0
0.00
Apr 02, 2026
36.94
37.84
36.31
37.29
37.29
-0.96%
237,320
1.18
Apr 01, 2026
38.59
38.93
37.54
37.65
37.65
-2.66%
200,581
1.00
Mar 31, 2026
38.61
39.09
37.97
38.68
38.68
+1.15%
171,492
0.87
Mar 30, 2026
38.47
38.54
38.00
38.24
38.24
+0.84%
205,026
1.05
Mar 27, 2026
38.32
38.67
37.54
37.92
37.92
-2.19%
136,562
0.70
Mar 26, 2026
37.65
38.84
37.65
38.77
38.77
+2.38%
272,527
1.41
Mar 25, 2026
37.47
37.88
36.83
37.87
37.87
+1.77%
175,188
0.91
Mar 24, 2026
35.88
37.30
35.88
37.21
37.21
+3.07%
155,842
0.82
Mar 23, 2026
35.97
36.73
35.73
36.10
36.10
+2.85%
235,365
1.26
Mar 20, 2026
37.87
38.14
35.01
35.10
35.10
-6.28%
1,281,177
7.63
Mar 19, 2026
37.43
37.75
36.81
37.45
37.45
+0.27%
290,284
1.75
Mar 18, 2026
37.57
38.05
37.31
37.35
37.35
-0.98%
310,265
1.86
Mar 17, 2026
38.68
39.50
37.65
37.72
37.72
-1.75%
225,181
1.36
Mar 16, 2026
37.92
39.07
37.92
38.39
38.39
+1.64%
258,792
1.59
Mar 13, 2026
37.50
37.81
37.22
37.77
37.77
+1.10%
272,566
1.68
Mar 12, 2026
37.17
38.39
37.17
37.36
37.36
+0.21%
251,918
1.58
Mar 11, 2026
37.05
38.17
36.89
37.28
37.28
+0.24%
291,886
1.85
Mar 10, 2026
38.01
38.11
37.07
37.19
37.19
-3.48%
327,545
2.12
Mar 09, 2026
37.14
38.77
36.41
38.53
38.53
+2.61%
418,786
2.78
Mar 06, 2026
37.60
38.08
36.93
37.55
37.55
-1.00%
290,809
1.96
Mar 05, 2026
37.97
39.27
37.20
38.02
37.93
-1.37%
247,402
1.68
Mar 04, 2026
36.89
38.74
35.95
38.55
38.46
+4.95%
342,220
2.39
Mar 03, 2026
35.12
36.76
34.59
36.73
36.64
+0.85%
257,267
1.82
Mar 02, 2026
37.51
37.51
35.30
36.42
36.33
-3.65%
327,819
2.38
Feb 27, 2026
36.74
38.21
36.10
37.80
37.71
+1.50%
342,723
2.55
Feb 26, 2026
35.50
37.52
34.92
37.24
37.15
+7.88%
186,674
1.41
Feb 25, 2026
34.51
34.59
33.44
34.52
34.44
+0.29%
104,716
0.79
Feb 24, 2026
33.89
34.68
33.76
34.42
34.34
+2.07%
120,553
0.92
Feb 23, 2026
34.98
34.98
33.51
33.72
33.64
-3.96%
161,014
1.23
Feb 20, 2026
34.81
35.16
34.16
35.11
35.03
+1.44%
129,446
0.98
Rows: