Koppers Holdings Inc.KOPNYSE
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Historical Prices (Last 90 Days)
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| 1/30/2026 | $29.22 | $29.83 | $28.99 | $29.46 | 156,000 |
| 1/29/2026 | $29.44 | $29.68 | $29.00 | $29.62 | 147,501 |
| 1/28/2026 | $29.12 | $29.28 | $28.79 | $29.24 | 91,703 |
| 1/27/2026 | $29.06 | $29.17 | $28.77 | $29.12 | 83,820 |
| 1/26/2026 | $29.03 | $29.22 | $28.65 | $29.13 | 94,400 |
| 1/23/2026 | $29.34 | $29.46 | $28.88 | $28.97 | 97,124 |
| 1/22/2026 | $29.85 | $30.22 | $29.37 | $29.45 | 123,812 |
| 1/21/2026 | $28.22 | $29.60 | $28.22 | $29.52 | 126,543 |
| 1/20/2026 | $28.50 | $28.56 | $27.96 | $28.16 | 112,400 |
| 1/16/2026 | $28.92 | $29.25 | $28.75 | $29.08 | 170,400 |
| 1/15/2026 | $29.39 | $29.66 | $29.02 | $29.24 | 100,500 |
| 1/14/2026 | $28.90 | $29.72 | $28.67 | $29.36 | 133,300 |
| 1/13/2026 | $28.92 | $29.91 | $28.71 | $28.74 | 117,000 |
| 1/12/2026 | $28.25 | $29.01 | $27.49 | $28.93 | 115,600 |
| 1/9/2026 | $27.04 | $28.47 | $26.81 | $28.33 | 220,024 |
| 1/8/2026 | $26.80 | $27.83 | $26.77 | $27.62 | 85,747 |
| 1/7/2026 | $27.65 | $27.77 | $26.79 | $26.93 | 123,935 |
| 1/6/2026 | $26.75 | $27.72 | $26.55 | $27.63 | 247,845 |
| 1/5/2026 | $26.52 | $27.49 | $26.52 | $26.93 | 102,511 |
| 1/2/2026 | $27.04 | $27.29 | $26.65 | $26.67 | 122,918 |
| 12/31/2025 | $27.39 | $27.48 | $27.00 | $27.08 | 116,443 |
| 12/30/2025 | $27.20 | $27.60 | $27.01 | $27.35 | 115,629 |
| 12/29/2025 | $26.94 | $27.31 | $26.64 | $27.29 | 139,900 |
| 12/26/2025 | $27.15 | $27.24 | $26.76 | $26.95 | 119,300 |
| 12/24/2025 | $26.89 | $27.29 | $26.88 | $27.25 | 54,900 |
| 12/23/2025 | $27.26 | $27.33 | $26.76 | $26.85 | 80,812 |
| 12/22/2025 | $27.42 | $28.13 | $27.21 | $27.27 | 182,021 |
| 12/19/2025 | $27.92 | $28.00 | $27.08 | $27.49 | 325,900 |
| 12/18/2025 | $28.17 | $28.68 | $27.88 | $28.13 | 143,100 |
| 12/17/2025 | $28.51 | $28.83 | $28.17 | $28.30 | 106,645 |
| 12/16/2025 | $28.47 | $29.04 | $28.12 | $28.62 | 220,602 |
| 12/15/2025 | $29.06 | $29.47 | $28.42 | $28.49 | 120,300 |
| 12/12/2025 | $29.25 | $29.80 | $28.92 | $29.01 | 151,539 |
| 12/11/2025 | $29.04 | $29.34 | $28.72 | $29.26 | 109,517 |
| 12/10/2025 | $27.69 | $29.09 | $27.69 | $28.78 | 192,800 |
| 12/9/2025 | $28.25 | $28.41 | $27.47 | $27.79 | 165,243 |
| 12/8/2025 | $28.08 | $28.61 | $27.87 | $28.05 | 154,000 |
| 12/5/2025 | $27.84 | $28.49 | $27.84 | $28.01 | 106,218 |
| 12/4/2025 | $29.08 | $29.25 | $27.99 | $28.05 | 115,218 |
| 12/3/2025 | $29.24 | $29.71 | $28.81 | $29.20 | 105,900 |
| 12/2/2025 | $29.77 | $29.77 | $28.92 | $29.22 | 133,600 |
| 12/1/2025 | $29.43 | $30.08 | $29.43 | $29.62 | 90,220 |
| 11/28/2025 | $29.62 | $29.91 | $29.40 | $29.67 | 94,336 |
| 11/26/2025 | $29.55 | $30.35 | $29.55 | $29.70 | 196,041 |
| 11/25/2025 | $28.75 | $30.13 | $28.71 | $29.89 | 195,246 |
| 11/24/2025 | $28.26 | $28.64 | $27.70 | $28.55 | 166,229 |
| 11/21/2025 | $27.40 | $28.81 | $27.23 | $28.21 | 206,100 |
| 11/20/2025 | $28.09 | $28.44 | $27.18 | $27.29 | 98,600 |
| 11/19/2025 | $27.97 | $28.04 | $27.46 | $27.74 | 141,305 |
| 11/18/2025 | $27.72 | $28.49 | $27.49 | $27.93 | 160,715 |
| 11/17/2025 | $28.98 | $28.99 | $27.84 | $27.86 | 186,400 |
| 11/14/2025 | $29.34 | $29.75 | $28.51 | $28.94 | 234,900 |
| 11/13/2025 | $28.43 | $29.58 | $28.14 | $29.39 | 196,708 |
| 11/12/2025 | $28.44 | $28.95 | $28.18 | $28.55 | 172,100 |
| 11/11/2025 | $27.89 | $28.37 | $27.37 | $28.30 | 227,600 |
| 11/10/2025 | $27.00 | $27.89 | $26.02 | $27.70 | 182,217 |
| 11/7/2025 | $28.65 | $28.65 | $25.00 | $26.70 | 212,905 |
| 11/6/2025 | $28.15 | $30.00 | $27.74 | $27.84 | 174,500 |
| 11/5/2025 | $28.07 | $28.61 | $27.77 | $28.05 | 182,900 |
| 11/4/2025 | $27.86 | $28.48 | $26.93 | $28.24 | 135,200 |