Koppers Inc. (KOP)
NYSE: KOP
· Real-Time Price · USD
30.65
-0.41 (-1.32%)
At close: Aug 14, 2025, 3:59 PM
30.64
-0.03%
Pre-market: Aug 15, 2025, 08:45 AM EDT
KOP Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 14, 2025 | 30.44 | 31.01 | 30.43 | 30.64 | 30.64 | -1.35% | 164,443 |
| Aug 13, 2025 | 30.00 | 31.18 | 30.00 | 31.06 | 31.06 | 4.76% | 169,137 |
| Aug 12, 2025 | 28.93 | 30.40 | 28.50 | 29.65 | 29.65 | 4.59% | 265,600 |
| Aug 11, 2025 | 28.74 | 29.04 | 26.82 | 28.35 | 28.35 | -1.70% | 308,100 |
| Aug 8, 2025 | 28.76 | 29.57 | 26.79 | 28.84 | 28.84 | -13.32% | 405,339 |
| Aug 7, 2025 | 32.95 | 33.46 | 32.72 | 33.27 | 33.27 | 2.56% | 96,893 |
| Aug 6, 2025 | 32.49 | 32.60 | 32.24 | 32.44 | 32.44 | -0.55% | 79,040 |
| Aug 5, 2025 | 31.91 | 32.75 | 31.91 | 32.62 | 32.62 | 2.42% | 102,931 |
| Aug 4, 2025 | 31.99 | 32.36 | 31.73 | 31.85 | 31.85 | -0.13% | 87,500 |
| Aug 1, 2025 | 32.49 | 32.49 | 31.41 | 31.89 | 31.89 | -2.95% | 116,700 |
| Jul 31, 2025 | 32.67 | 33.12 | 32.51 | 32.86 | 32.86 | -0.73% | 121,500 |
| Jul 30, 2025 | 33.76 | 33.76 | 32.83 | 33.10 | 33.10 | -2.13% | 114,000 |
| Jul 29, 2025 | 34.18 | 34.18 | 33.69 | 33.82 | 33.82 | -0.68% | 99,800 |
| Jul 28, 2025 | 34.50 | 34.70 | 33.84 | 34.05 | 34.05 | -1.56% | 94,700 |
| Jul 25, 2025 | 33.43 | 34.65 | 33.40 | 34.59 | 34.59 | 3.28% | 100,800 |
| Jul 24, 2025 | 33.84 | 34.08 | 33.28 | 33.49 | 33.49 | -2.33% | 116,100 |
| Jul 23, 2025 | 33.60 | 34.31 | 33.32 | 34.29 | 34.29 | 3.91% | 110,300 |
| Jul 22, 2025 | 32.41 | 33.19 | 32.33 | 33.00 | 33.00 | 2.42% | 180,800 |
| Jul 21, 2025 | 32.63 | 32.96 | 32.14 | 32.22 | 32.22 | -0.37% | 94,200 |
| Jul 18, 2025 | 32.62 | 32.62 | 31.92 | 32.34 | 32.34 | 0.25% | 120,439 |