Koppers Holdings Inc. (KOP)
NYSE:KOP
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Time Period
1Y
Events
Historical Prices
Rows:
Jun 01, 2026
40.58
41.29
40.20
41.19
41.19
+0.96%
114,970
0.54
May 29, 2026
40.97
41.36
40.64
40.80
40.80
-0.97%
228,452
1.08
May 28, 2026
42.46
42.61
41.10
41.29
41.20
-3.37%
107,932
0.50
May 27, 2026
41.70
42.77
41.70
42.73
42.64
+2.86%
142,015
0.65
May 26, 2026
41.57
42.00
40.85
41.54
41.45
+2.92%
174,078
0.80
May 25, 2026
40.05
40.58
39.54
40.36
40.27
0.00%
0
0.00
May 22, 2026
40.05
40.58
39.54
40.36
40.27
+1.84%
120,134
0.54
May 21, 2026
38.56
39.67
38.50
39.63
39.54
+1.10%
150,846
0.68
May 20, 2026
38.22
39.49
38.14
39.20
39.11
+2.32%
160,698
0.73
May 19, 2026
39.86
39.96
38.13
38.31
38.23
-5.15%
223,631
1.02
May 18, 2026
40.73
41.96
40.39
40.39
40.30
-0.71%
204,426
0.94
May 15, 2026
42.23
42.23
40.33
40.68
40.59
-4.08%
233,653
1.07
May 14, 2026
43.23
43.88
41.94
42.41
42.32
-0.65%
367,472
1.73
May 13, 2026
43.77
44.67
42.30
42.69
42.60
-1.98%
294,096
1.40
May 12, 2026
42.99
44.10
42.42
43.55
43.46
+1.09%
328,906
1.57
May 11, 2026
44.00
44.00
41.91
43.08
42.99
-2.07%
253,107
1.22
May 08, 2026
44.38
46.40
42.45
43.99
43.89
+6.88%
334,016
1.63
May 07, 2026
41.49
42.41
41.09
41.16
41.07
-1.08%
176,878
0.87
May 06, 2026
41.80
42.04
40.18
41.61
41.52
+0.63%
102,791
0.50
May 05, 2026
40.04
41.89
39.50
41.35
41.26
+3.79%
121,112
0.59
May 04, 2026
41.70
41.74
39.50
39.84
39.75
-4.94%
148,469
0.72
May 01, 2026
41.09
41.93
41.00
41.91
41.82
+2.64%
145,904
0.71
Apr 30, 2026
39.73
41.06
39.73
40.83
40.74
+2.59%
109,595
0.53
Apr 29, 2026
41.61
41.61
39.75
39.80
39.71
-4.00%
166,536
0.80
Apr 28, 2026
41.50
42.17
40.91
41.46
41.37
+0.27%
193,660
0.94
Apr 27, 2026
40.47
41.42
40.31
41.35
41.26
+2.65%
153,692
0.75
Apr 24, 2026
39.00
40.49
38.85
40.28
40.19
+4.22%
168,990
0.83
Apr 23, 2026
38.12
38.80
37.66
38.65
38.57
+1.68%
129,033
0.63
Apr 22, 2026
38.06
38.06
37.42
38.01
37.93
+1.31%
83,166
0.41
Apr 21, 2026
37.58
38.19
36.74
37.52
37.44
+0.21%
150,685
0.74
Apr 20, 2026
37.58
37.96
37.35
37.44
37.36
-0.66%
71,675
0.35
Apr 17, 2026
36.92
38.13
36.56
37.69
37.61
+1.92%
161,846
0.80
Apr 16, 2026
37.35
37.85
36.77
36.98
36.90
-1.49%
125,415
0.62
Apr 15, 2026
38.27
38.27
37.43
37.54
37.46
-2.34%
102,118
0.50
Apr 14, 2026
38.28
38.89
37.90
38.44
38.36
+0.05%
122,342
0.61
Apr 13, 2026
37.46
38.46
37.14
38.42
38.34
+2.62%
118,009
0.58
Apr 10, 2026
37.07
37.50
37.07
37.44
37.36
+1.08%
87,577
0.43
Apr 09, 2026
37.21
37.61
36.70
37.04
36.96
-0.86%
147,546
0.73
Apr 08, 2026
37.20
37.50
36.93
37.36
37.28
+1.88%
186,732
0.92
Apr 07, 2026
35.75
36.73
35.62
36.67
36.59
+2.46%
217,679
1.08
Apr 06, 2026
37.18
37.19
35.68
35.79
35.71
-4.02%
212,520
1.07
Apr 03, 2026
36.94
37.84
36.31
37.29
37.21
0.00%
0
0.00
Apr 02, 2026
36.94
37.84
36.31
37.29
37.21
-0.96%
237,320
1.18
Apr 01, 2026
38.59
38.93
37.54
37.65
37.57
-2.66%
200,581
1.00
Mar 31, 2026
38.61
39.09
37.97
38.68
38.60
+1.15%
171,492
0.87
Mar 30, 2026
38.47
38.54
38.00
38.24
38.16
+0.84%
205,026
1.05
Mar 27, 2026
38.32
38.67
37.54
37.92
37.84
-2.19%
136,562
0.70
Mar 26, 2026
37.65
38.84
37.65
38.77
38.69
+2.38%
272,527
1.41
Mar 25, 2026
37.47
37.88
36.83
37.87
37.79
+1.77%
175,188
0.91
Mar 24, 2026
35.88
37.30
35.88
37.21
37.13
+3.07%
155,842
0.82
Rows: