5 DAY PERFORMANCE
-11.85%
1 MONTH PERFORMANCE
-4.48%
3 MONTH PERFORMANCE
+6.79%
6 MONTH PERFORMANCE
+43.58%
YEAR-TO-DATE PERFORMANCE
+42.36%
1 YEAR PERFORMANCE
+21.26%
Koppers Holdings Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 06/22/2026 | $43.49 | $44.42 (2.14%) | $44.46 | $42.65 | 291.81 K | $868.50 M |
| 06/18/2026 | $43.94 | $43.73 (-0.48%) | $44.74 | $43.42 | 385.90 K | $855.01 M |
| 06/17/2026 | $44.53 | $43.65 (-1.98%) | $45.44 | $43.64 | 153.45 K | $853.44 M |
| 06/16/2026 | $44.65 | $44.50 (-0.34%) | $45.33 | $44.26 | 183.90 K | $870.06 M |
| 06/15/2026 | $44.07 | $44.40 (0.75%) | $44.55 | $43.63 | 183.95 K | $868.11 M |
| 06/12/2026 | $41.92 | $43.41 (3.55%) | $43.66 | $41.87 | 160.82 K | $848.75 M |
| 06/11/2026 | $42.17 | $41.52 (-1.54%) | $42.17 | $40.81 | 110.50 K | $811.80 M |
| 06/10/2026 | $41.70 | $41.68 (-0.05%) | $42.31 | $41.49 | 167.20 K | $814.93 M |
| 06/09/2026 | $41.90 | $41.86 (-0.1%) | $42.60 | $40.80 | 145.70 K | $818.45 M |
| 06/08/2026 | $41.22 | $41.22 (0%) | $41.76 | $40.62 | 178.10 K | $805.93 M |
| 06/05/2026 | $42.04 | $40.81 (-2.93%) | $42.38 | $40.62 | 167.24 K | $797.92 M |
| 06/04/2026 | $43.36 | $42.16 (-2.77%) | $43.57 | $41.72 | 272.20 K | $824.31 M |
| 06/03/2026 | $42.09 | $43.09 (2.38%) | $43.52 | $41.88 | 230.14 K | $842.50 M |
| 06/02/2026 | $41.17 | $42.48 (3.18%) | $42.61 | $40.63 | 124.52 K | $830.57 M |
| 06/01/2026 | $40.58 | $41.19 (1.5%) | $41.29 | $40.20 | 115.00 K | $805.35 M |
| 05/29/2026 | $40.97 | $40.80 (-0.41%) | $41.36 | $40.64 | 228.45 K | $797.72 M |
| 05/28/2026 | $42.46 | $41.29 (-2.76%) | $42.61 | $41.10 | 107.93 K | $807.30 M |
| 05/27/2026 | $41.70 | $42.73 (2.47%) | $42.77 | $41.70 | 142.02 K | $835.46 M |
| 05/26/2026 | $41.57 | $41.54 (-0.07%) | $42.00 | $40.85 | 174.10 K | $812.19 M |
| 05/22/2026 | $40.05 | $40.36 (0.77%) | $40.58 | $39.54 | 120.13 K | $789.12 M |
| 05/21/2026 | $38.56 | $39.63 (2.77%) | $39.67 | $38.50 | 150.85 K | $774.85 M |
| 05/20/2026 | $38.22 | $39.20 (2.56%) | $39.49 | $38.14 | 160.70 K | $766.44 M |
| 05/19/2026 | $39.86 | $38.31 (-3.89%) | $39.96 | $38.13 | 223.63 K | $749.04 M |
| 05/18/2026 | $40.73 | $40.39 (-0.83%) | $41.96 | $40.39 | 204.43 K | $789.71 M |
| 05/15/2026 | $42.23 | $40.68 (-3.67%) | $42.23 | $40.33 | 233.70 K | $795.38 M |
| 05/14/2026 | $43.23 | $42.41 (-1.9%) | $43.88 | $41.94 | 367.50 K | $829.20 M |
| 05/13/2026 | $43.77 | $42.69 (-2.47%) | $44.67 | $42.30 | 294.10 K | $834.67 M |
| 05/12/2026 | $42.99 | $43.55 (1.3%) | $44.10 | $42.42 | 328.91 K | $851.49 M |
| 05/11/2026 | $44.00 | $43.08 (-2.09%) | $44.00 | $41.91 | 253.11 K | $842.30 M |
| 05/08/2026 | $44.38 | $43.99 (-0.88%) | $46.40 | $42.45 | 334.02 K | $860.09 M |
| 05/07/2026 | $41.49 | $41.16 (-0.8%) | $42.41 | $41.09 | 176.90 K | $804.76 M |
| 05/06/2026 | $41.80 | $41.61 (-0.45%) | $42.04 | $40.18 | 102.80 K | $813.56 M |
| 05/05/2026 | $40.04 | $41.35 (3.27%) | $41.89 | $39.50 | 121.11 K | $808.48 M |
| 05/04/2026 | $41.70 | $39.84 (-4.46%) | $41.74 | $39.50 | 148.50 K | $778.95 M |
| 05/01/2026 | $41.09 | $41.91 (2%) | $41.93 | $41.00 | 145.90 K | $819.42 M |
| 04/30/2026 | $39.73 | $40.83 (2.77%) | $41.06 | $39.73 | 109.60 K | $798.31 M |
| 04/29/2026 | $41.61 | $39.80 (-4.35%) | $41.61 | $39.75 | 166.54 K | $778.17 M |
| 04/28/2026 | $41.50 | $41.46 (-0.1%) | $42.17 | $40.91 | 193.70 K | $810.63 M |
| 04/27/2026 | $40.47 | $41.35 (2.17%) | $41.42 | $40.31 | 153.69 K | $808.48 M |
| 04/24/2026 | $39.00 | $40.28 (3.28%) | $40.49 | $38.85 | 169.00 K | $787.55 M |
| 04/23/2026 | $38.12 | $38.65 (1.39%) | $38.80 | $37.66 | 129.03 K | $755.68 M |
| 04/22/2026 | $38.06 | $38.01 (-0.13%) | $38.06 | $37.42 | 83.20 K | $743.17 M |
| 04/21/2026 | $37.58 | $37.52 (-0.16%) | $38.19 | $36.74 | 150.69 K | $733.59 M |
| 04/20/2026 | $37.58 | $37.44 (-0.37%) | $37.96 | $37.35 | 71.70 K | $732.03 M |
| 04/17/2026 | $36.92 | $37.69 (2.09%) | $38.13 | $36.56 | 161.85 K | $736.91 M |
| 04/16/2026 | $37.35 | $36.98 (-0.99%) | $37.85 | $36.77 | 125.42 K | $723.03 M |
| 04/15/2026 | $38.27 | $37.54 (-1.91%) | $38.27 | $37.43 | 102.12 K | $733.98 M |
| 04/14/2026 | $38.28 | $38.44 (0.42%) | $38.89 | $37.90 | 122.34 K | $751.58 M |
| 04/13/2026 | $37.46 | $38.42 (2.56%) | $38.46 | $37.14 | 118.01 K | $751.19 M |
| 04/10/2026 | $37.07 | $37.44 (1%) | $37.50 | $37.07 | 87.60 K | $732.03 M |
| 04/09/2026 | $37.21 | $37.04 (-0.46%) | $37.61 | $36.70 | 147.55 K | $724.21 M |
| 04/08/2026 | $37.20 | $37.36 (0.43%) | $37.50 | $36.93 | 186.73 K | $730.46 M |
| 04/07/2026 | $35.75 | $36.67 (2.57%) | $36.73 | $35.62 | 217.70 K | $716.97 M |
| 04/06/2026 | $37.18 | $35.79 (-3.74%) | $37.19 | $35.68 | 212.52 K | $699.77 M |
| 04/02/2026 | $36.94 | $37.29 (0.95%) | $37.84 | $36.31 | 237.32 K | $729.09 M |
| 04/01/2026 | $38.59 | $37.65 (-2.44%) | $38.93 | $37.54 | 200.60 K | $736.13 M |
| 03/31/2026 | $38.61 | $38.68 (0.18%) | $39.09 | $37.97 | 171.50 K | $756.27 M |
| 03/30/2026 | $38.47 | $38.24 (-0.6%) | $38.54 | $38.00 | 205.03 K | $747.67 M |
| 03/27/2026 | $38.32 | $37.92 (-1.04%) | $38.67 | $37.54 | 136.60 K | $741.41 M |
| 03/26/2026 | $37.65 | $38.77 (2.97%) | $38.84 | $37.65 | 272.53 K | $758.03 M |
| 03/25/2026 | $37.47 | $37.87 (1.07%) | $37.88 | $36.83 | 175.20 K | $740.43 M |
| 03/24/2026 | $35.88 | $37.21 (3.71%) | $37.30 | $35.88 | 155.84 K | $727.53 M |
| 03/23/2026 | $35.97 | $36.10 (0.36%) | $36.73 | $35.73 | 235.40 K | $705.83 M |
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