5 DAY PERFORMANCE
+4.48%
1 MONTH PERFORMANCE
+9.50%
3 MONTH PERFORMANCE
-2.26%
6 MONTH PERFORMANCE
-7.89%
YEAR-TO-DATE PERFORMANCE
-10.68%
1 YEAR PERFORMANCE
-20.63%
Koppers Holdings Inc. Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 11/14/2025 | $29.34 | $28.94 (-1.36%) | $29.75 | $28.51 | 206.64 K | $568.79 M |
| 11/13/2025 | $28.43 | $29.39 (3.38%) | $29.58 | $28.14 | 196.70 K | $577.63 M |
| 11/12/2025 | $28.44 | $28.55 (0.39%) | $28.95 | $28.18 | 172.10 K | $561.12 M |
| 11/11/2025 | $27.89 | $28.30 (1.47%) | $28.37 | $27.37 | 227.60 K | $556.21 M |
| 11/10/2025 | $27.00 | $27.70 (2.59%) | $27.89 | $26.02 | 182.22 K | $544.42 M |
| 11/07/2025 | $28.65 | $26.70 (-6.81%) | $28.65 | $25.00 | 212.91 K | $524.76 M |
| 11/06/2025 | $28.15 | $27.84 (-1.1%) | $30.00 | $27.74 | 174.50 K | $547.17 M |
| 11/05/2025 | $28.07 | $28.05 (-0.07%) | $28.61 | $27.77 | 182.90 K | $551.29 M |
| 11/04/2025 | $27.86 | $28.24 (1.36%) | $28.48 | $26.93 | 135.20 K | $555.03 M |
| 11/03/2025 | $28.01 | $28.17 (0.57%) | $28.39 | $27.52 | 174.16 K | $553.65 M |
| 10/31/2025 | $27.58 | $28.22 (2.32%) | $28.39 | $27.10 | 162.53 K | $561.10 M |
| 10/30/2025 | $28.67 | $27.61 (-3.7%) | $28.67 | $27.26 | 162.62 K | $548.97 M |
| 10/29/2025 | $29.38 | $29.25 (-0.44%) | $29.83 | $28.82 | 219.55 K | $581.58 M |
| 10/28/2025 | $29.19 | $29.37 (0.62%) | $29.59 | $28.82 | 139.41 K | $583.96 M |
| 10/27/2025 | $29.36 | $29.41 (0.17%) | $29.63 | $28.96 | 152.02 K | $584.76 M |
| 10/24/2025 | $29.12 | $29.14 (0.07%) | $29.44 | $29.07 | 85.61 K | $579.39 M |
| 10/23/2025 | $28.62 | $28.72 (0.35%) | $29.04 | $28.30 | 104.70 K | $571.04 M |
| 10/22/2025 | $28.00 | $28.38 (1.36%) | $28.44 | $27.94 | 145.00 K | $564.28 M |
| 10/21/2025 | $27.02 | $27.99 (3.59%) | $28.03 | $27.00 | 153.35 K | $556.53 M |
| 10/20/2025 | $26.92 | $27.01 (0.33%) | $27.15 | $26.57 | 119.40 K | $537.04 M |
| 10/17/2025 | $26.51 | $26.74 (0.87%) | $26.90 | $26.45 | 131.17 K | $531.67 M |
| 10/16/2025 | $26.49 | $26.74 (0.94%) | $26.74 | $26.17 | 116.40 K | $531.67 M |
| 10/15/2025 | $26.90 | $26.43 (-1.75%) | $27.39 | $26.26 | 101.90 K | $525.51 M |
| 10/14/2025 | $26.38 | $26.69 (1.18%) | $26.99 | $26.38 | 94.70 K | $530.68 M |
| 10/13/2025 | $26.74 | $26.74 (0%) | $26.94 | $26.55 | 146.70 K | $531.67 M |
| 10/10/2025 | $26.54 | $26.35 (-0.72%) | $26.84 | $26.16 | 181.32 K | $523.92 M |
| 10/09/2025 | $26.60 | $26.50 (-0.38%) | $26.79 | $26.34 | 191.00 K | $526.90 M |
| 10/08/2025 | $26.64 | $26.59 (-0.19%) | $26.65 | $26.30 | 114.81 K | $528.69 M |
| 10/07/2025 | $26.75 | $26.47 (-1.05%) | $27.13 | $26.37 | 153.10 K | $526.30 M |
| 10/06/2025 | $27.14 | $26.74 (-1.47%) | $27.14 | $26.22 | 175.21 K | $531.67 M |
| 10/03/2025 | $27.14 | $27.00 (-0.52%) | $27.49 | $26.91 | 157.81 K | $536.84 M |
| 10/02/2025 | $27.79 | $26.94 (-3.06%) | $28.07 | $26.91 | 137.84 K | $535.65 M |
| 10/01/2025 | $27.74 | $27.90 (0.58%) | $27.98 | $27.46 | 135.40 K | $554.74 M |
| 09/30/2025 | $27.57 | $28.00 (1.56%) | $28.22 | $27.39 | 123.80 K | $556.72 M |
| 09/29/2025 | $28.60 | $27.75 (-2.97%) | $28.63 | $27.75 | 138.80 K | $551.75 M |
| 09/26/2025 | $28.15 | $28.41 (0.92%) | $28.68 | $28.15 | 121.93 K | $564.88 M |
| 09/25/2025 | $28.75 | $28.15 (-2.09%) | $28.75 | $28.10 | 127.70 K | $559.71 M |
| 09/24/2025 | $28.81 | $28.82 (0.03%) | $28.95 | $28.64 | 114.60 K | $573.03 M |
| 09/23/2025 | $28.87 | $28.75 (-0.42%) | $29.49 | $28.73 | 224.80 K | $571.64 M |
| 09/22/2025 | $28.83 | $28.89 (0.21%) | $29.02 | $28.57 | 227.10 K | $574.42 M |
| 09/19/2025 | $29.32 | $29.00 (-1.09%) | $29.36 | $28.56 | 591.40 K | $576.61 M |
| 09/18/2025 | $29.22 | $29.35 (0.44%) | $29.55 | $28.86 | 222.00 K | $583.57 M |
| 09/17/2025 | $28.73 | $28.98 (0.87%) | $29.90 | $28.53 | 290.30 K | $576.21 M |
| 09/16/2025 | $28.67 | $28.63 (-0.14%) | $29.16 | $28.43 | 132.84 K | $569.25 M |
| 09/15/2025 | $28.88 | $28.63 (-0.87%) | $28.96 | $28.29 | 140.00 K | $569.25 M |
| 09/12/2025 | $28.65 | $28.75 (0.35%) | $28.98 | $28.14 | 177.71 K | $571.64 M |
| 09/11/2025 | $27.49 | $28.90 (5.13%) | $28.98 | $27.49 | 199.12 K | $574.62 M |
| 09/10/2025 | $28.65 | $27.53 (-3.91%) | $28.82 | $27.38 | 137.90 K | $547.38 M |
| 09/09/2025 | $28.39 | $28.69 (1.06%) | $28.94 | $28.19 | 198.40 K | $570.44 M |
| 09/08/2025 | $28.91 | $28.67 (-0.83%) | $28.94 | $28.35 | 170.84 K | $570.05 M |
| 09/05/2025 | $28.59 | $28.87 (0.98%) | $29.99 | $28.50 | 159.60 K | $574.02 M |
| 09/04/2025 | $28.22 | $28.62 (1.42%) | $28.69 | $27.97 | 172.00 K | $569.05 M |
| 09/03/2025 | $28.14 | $28.08 (-0.21%) | $28.98 | $27.24 | 173.10 K | $558.31 M |
| 09/02/2025 | $28.65 | $28.32 (-1.15%) | $28.89 | $28.24 | 174.83 K | $563.09 M |
| 08/29/2025 | $29.04 | $28.98 (-0.21%) | $29.16 | $28.65 | 135.70 K | $576.21 M |
| 08/28/2025 | $29.40 | $29.01 (-1.33%) | $29.47 | $28.94 | 172.92 K | $576.81 M |
| 08/27/2025 | $29.23 | $29.23 (0%) | $29.74 | $28.75 | 130.00 K | $581.18 M |
| 08/26/2025 | $29.65 | $29.39 (-0.88%) | $29.79 | $29.23 | 138.90 K | $584.36 M |
| 08/25/2025 | $30.22 | $29.70 (-1.72%) | $30.22 | $29.23 | 127.40 K | $590.53 M |
| 08/22/2025 | $29.27 | $30.16 (3.04%) | $30.47 | $28.94 | 148.85 K | $599.67 M |
| 08/21/2025 | $28.85 | $28.79 (-0.21%) | $29.30 | $28.64 | 266.70 K | $572.43 M |
| 08/20/2025 | $29.78 | $29.33 (-1.51%) | $29.90 | $29.25 | 138.45 K | $583.17 M |
| 08/19/2025 | $29.78 | $29.85 (0.24%) | $30.30 | $29.53 | 143.10 K | $593.51 M |
| 08/18/2025 | $29.54 | $29.62 (0.27%) | $29.90 | $29.46 | 160.40 K | $588.93 M |
| 08/15/2025 | $30.81 | $29.61 (-3.89%) | $30.89 | $29.52 | 223.01 K | $588.74 M |
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