Koppers Holdings Inc.KOPNYSE
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Historical Prices (Last 90 Days)

DateOpenHighLowCloseVolume
1/30/2026$29.22$29.83$28.99$29.46156,000
1/29/2026$29.44$29.68$29.00$29.62147,501
1/28/2026$29.12$29.28$28.79$29.2491,703
1/27/2026$29.06$29.17$28.77$29.1283,820
1/26/2026$29.03$29.22$28.65$29.1394,400
1/23/2026$29.34$29.46$28.88$28.9797,124
1/22/2026$29.85$30.22$29.37$29.45123,812
1/21/2026$28.22$29.60$28.22$29.52126,543
1/20/2026$28.50$28.56$27.96$28.16112,400
1/16/2026$28.92$29.25$28.75$29.08170,400
1/15/2026$29.39$29.66$29.02$29.24100,500
1/14/2026$28.90$29.72$28.67$29.36133,300
1/13/2026$28.92$29.91$28.71$28.74117,000
1/12/2026$28.25$29.01$27.49$28.93115,600
1/9/2026$27.04$28.47$26.81$28.33220,024
1/8/2026$26.80$27.83$26.77$27.6285,747
1/7/2026$27.65$27.77$26.79$26.93123,935
1/6/2026$26.75$27.72$26.55$27.63247,845
1/5/2026$26.52$27.49$26.52$26.93102,511
1/2/2026$27.04$27.29$26.65$26.67122,918
12/31/2025$27.39$27.48$27.00$27.08116,443
12/30/2025$27.20$27.60$27.01$27.35115,629
12/29/2025$26.94$27.31$26.64$27.29139,900
12/26/2025$27.15$27.24$26.76$26.95119,300
12/24/2025$26.89$27.29$26.88$27.2554,900
12/23/2025$27.26$27.33$26.76$26.8580,812
12/22/2025$27.42$28.13$27.21$27.27182,021
12/19/2025$27.92$28.00$27.08$27.49325,900
12/18/2025$28.17$28.68$27.88$28.13143,100
12/17/2025$28.51$28.83$28.17$28.30106,645
12/16/2025$28.47$29.04$28.12$28.62220,602
12/15/2025$29.06$29.47$28.42$28.49120,300
12/12/2025$29.25$29.80$28.92$29.01151,539
12/11/2025$29.04$29.34$28.72$29.26109,517
12/10/2025$27.69$29.09$27.69$28.78192,800
12/9/2025$28.25$28.41$27.47$27.79165,243
12/8/2025$28.08$28.61$27.87$28.05154,000
12/5/2025$27.84$28.49$27.84$28.01106,218
12/4/2025$29.08$29.25$27.99$28.05115,218
12/3/2025$29.24$29.71$28.81$29.20105,900
12/2/2025$29.77$29.77$28.92$29.22133,600
12/1/2025$29.43$30.08$29.43$29.6290,220
11/28/2025$29.62$29.91$29.40$29.6794,336
11/26/2025$29.55$30.35$29.55$29.70196,041
11/25/2025$28.75$30.13$28.71$29.89195,246
11/24/2025$28.26$28.64$27.70$28.55166,229
11/21/2025$27.40$28.81$27.23$28.21206,100
11/20/2025$28.09$28.44$27.18$27.2998,600
11/19/2025$27.97$28.04$27.46$27.74141,305
11/18/2025$27.72$28.49$27.49$27.93160,715
11/17/2025$28.98$28.99$27.84$27.86186,400
11/14/2025$29.34$29.75$28.51$28.94234,900
11/13/2025$28.43$29.58$28.14$29.39196,708
11/12/2025$28.44$28.95$28.18$28.55172,100
11/11/2025$27.89$28.37$27.37$28.30227,600
11/10/2025$27.00$27.89$26.02$27.70182,217
11/7/2025$28.65$28.65$25.00$26.70212,905
11/6/2025$28.15$30.00$27.74$27.84174,500
11/5/2025$28.07$28.61$27.77$28.05182,900
11/4/2025$27.86$28.48$26.93$28.24135,200