Koppers Holdings Inc. (KOP)
NYSE: KOP · Real-Time Price · USD
28.01
-0.04 (-0.14%)
Dec 5, 2025, 4:00 PM EST - Market closed
Koppers Holdings Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 27.84 | 28.49 | 27.84 | 28.01 | 28.01 | -0.14% | 102,088 |
| Dec 4, 2025 | 29.08 | 29.25 | 27.99 | 28.05 | 28.05 | -3.94% | 114,298 |
| Dec 3, 2025 | 29.24 | 29.71 | 28.81 | 29.20 | 29.20 | -0.07% | 104,736 |
| Dec 2, 2025 | 29.77 | 29.77 | 28.92 | 29.22 | 29.22 | -1.35% | 131,517 |
| Dec 1, 2025 | 29.43 | 30.08 | 29.43 | 29.62 | 29.62 | -0.17% | 90,220 |
| Nov 28, 2025 | 29.62 | 29.91 | 29.40 | 29.67 | 29.67 | -0.10% | 94,336 |
| Nov 26, 2025 | 29.55 | 30.35 | 29.55 | 29.70 | 29.62 | -0.64% | 196,041 |
| Nov 25, 2025 | 28.75 | 30.13 | 28.71 | 29.89 | 29.81 | 4.69% | 195,246 |
| Nov 24, 2025 | 28.26 | 28.64 | 27.70 | 28.55 | 28.47 | 1.21% | 166,229 |
| Nov 21, 2025 | 27.40 | 28.81 | 27.23 | 28.21 | 28.13 | 3.37% | 206,074 |
| Nov 20, 2025 | 28.09 | 28.44 | 27.18 | 27.29 | 27.22 | -1.62% | 98,566 |
| Nov 19, 2025 | 27.97 | 28.04 | 27.46 | 27.74 | 27.67 | -0.68% | 141,305 |
| Nov 18, 2025 | 27.72 | 28.49 | 27.49 | 27.93 | 27.85 | 0.25% | 160,715 |
| Nov 17, 2025 | 28.98 | 28.99 | 27.84 | 27.86 | 27.78 | -3.73% | 186,360 |
| Nov 14, 2025 | 29.34 | 29.75 | 28.51 | 28.94 | 28.86 | -1.53% | 234,877 |
| Nov 13, 2025 | 28.43 | 29.58 | 28.14 | 29.39 | 29.31 | 2.94% | 196,708 |
| Nov 12, 2025 | 28.44 | 28.95 | 28.18 | 28.55 | 28.47 | 0.88% | 172,066 |
| Nov 11, 2025 | 27.89 | 28.37 | 27.37 | 28.30 | 28.22 | 2.17% | 227,558 |
| Nov 10, 2025 | 27.00 | 27.89 | 26.02 | 27.70 | 27.63 | 3.75% | 182,217 |
| Nov 7, 2025 | 28.65 | 28.65 | 25.00 | 26.70 | 26.63 | -4.09% | 212,905 |
| Nov 6, 2025 | 28.15 | 30.00 | 27.74 | 27.84 | 27.77 | -0.75% | 174,463 |
| Nov 5, 2025 | 28.07 | 28.61 | 27.77 | 28.05 | 27.97 | -0.67% | 182,871 |
| Nov 4, 2025 | 27.86 | 28.48 | 26.93 | 28.24 | 28.16 | 0.25% | 135,153 |
| Nov 3, 2025 | 28.01 | 28.39 | 27.52 | 28.17 | 28.09 | -0.18% | 174,155 |
| Oct 31, 2025 | 27.58 | 28.39 | 27.10 | 28.22 | 28.14 | 2.21% | 162,525 |
| Oct 30, 2025 | 28.67 | 28.67 | 27.26 | 27.61 | 27.54 | -5.61% | 162,622 |
| Oct 29, 2025 | 29.38 | 29.83 | 28.82 | 29.25 | 29.17 | -0.41% | 219,546 |
| Oct 28, 2025 | 29.19 | 29.59 | 28.82 | 29.37 | 29.29 | -0.14% | 139,406 |
| Oct 27, 2025 | 29.36 | 29.63 | 28.96 | 29.41 | 29.33 | 0.93% | 152,016 |
| Oct 24, 2025 | 29.12 | 29.44 | 29.07 | 29.14 | 29.06 | 1.46% | 85,607 |
| Oct 23, 2025 | 28.62 | 29.04 | 28.30 | 28.72 | 28.64 | 1.20% | 104,674 |
| Oct 22, 2025 | 28.00 | 28.44 | 27.94 | 28.38 | 28.30 | 1.39% | 145,003 |
| Oct 21, 2025 | 27.02 | 28.03 | 27.00 | 27.99 | 27.91 | 3.63% | 153,347 |
| Oct 20, 2025 | 26.92 | 27.15 | 26.57 | 27.01 | 26.94 | 1.01% | 119,397 |
| Oct 17, 2025 | 26.51 | 26.90 | 26.45 | 26.74 | 26.67 | - | 131,171 |
| Oct 16, 2025 | 26.49 | 26.74 | 26.17 | 26.74 | 26.67 | 1.17% | 116,367 |
| Oct 15, 2025 | 26.90 | 27.39 | 26.26 | 26.43 | 26.36 | -0.97% | 101,852 |
| Oct 14, 2025 | 26.38 | 26.99 | 26.38 | 26.69 | 26.62 | -0.19% | 94,669 |
| Oct 13, 2025 | 26.74 | 26.94 | 26.55 | 26.74 | 26.67 | 1.48% | 146,680 |
| Oct 10, 2025 | 26.54 | 26.84 | 26.16 | 26.35 | 26.28 | -0.57% | 181,320 |
| Oct 9, 2025 | 26.60 | 26.79 | 26.34 | 26.50 | 26.43 | -0.34% | 190,956 |
| Oct 8, 2025 | 26.64 | 26.65 | 26.30 | 26.59 | 26.52 | 0.45% | 114,814 |
| Oct 7, 2025 | 26.75 | 27.13 | 26.37 | 26.47 | 26.40 | -1.01% | 153,085 |
| Oct 6, 2025 | 27.14 | 27.14 | 26.22 | 26.74 | 26.67 | -0.96% | 175,209 |
| Oct 3, 2025 | 27.14 | 27.49 | 26.91 | 27.00 | 26.93 | 0.22% | 157,808 |
| Oct 2, 2025 | 27.79 | 28.07 | 26.91 | 26.94 | 26.87 | -3.44% | 137,842 |
| Oct 1, 2025 | 27.74 | 27.98 | 27.46 | 27.90 | 27.82 | -0.36% | 135,399 |
| Sep 30, 2025 | 27.57 | 28.22 | 27.39 | 28.00 | 27.92 | 0.90% | 123,755 |
| Sep 29, 2025 | 28.60 | 28.63 | 27.75 | 27.75 | 27.68 | -2.32% | 138,789 |
| Sep 26, 2025 | 28.15 | 28.68 | 28.15 | 28.41 | 28.33 | 0.92% | 121,925 |
| Sep 25, 2025 | 28.75 | 28.75 | 28.10 | 28.15 | 28.07 | -2.32% | 127,678 |
| Sep 24, 2025 | 28.81 | 28.95 | 28.64 | 28.82 | 28.74 | 0.24% | 114,550 |
| Sep 23, 2025 | 28.87 | 29.49 | 28.73 | 28.75 | 28.67 | -0.48% | 224,766 |
| Sep 22, 2025 | 28.83 | 29.02 | 28.57 | 28.89 | 28.81 | -0.38% | 227,062 |
| Sep 19, 2025 | 29.32 | 29.36 | 28.56 | 29.00 | 28.92 | -1.19% | 591,356 |
| Sep 18, 2025 | 29.22 | 29.55 | 28.86 | 29.35 | 29.27 | 1.28% | 222,003 |
| Sep 17, 2025 | 28.73 | 29.90 | 28.53 | 28.98 | 28.90 | 1.22% | 290,260 |
| Sep 16, 2025 | 28.67 | 29.16 | 28.43 | 28.63 | 28.55 | - | 132,842 |
| Sep 15, 2025 | 28.88 | 28.96 | 28.29 | 28.63 | 28.55 | -0.42% | 139,985 |
| Sep 12, 2025 | 28.65 | 28.98 | 28.14 | 28.75 | 28.67 | -0.52% | 177,708 |
| Sep 11, 2025 | 27.49 | 28.98 | 27.49 | 28.90 | 28.82 | 4.98% | 199,120 |
| Sep 10, 2025 | 28.65 | 28.82 | 27.38 | 27.53 | 27.46 | -4.04% | 137,870 |
| Sep 9, 2025 | 28.39 | 28.94 | 28.19 | 28.69 | 28.61 | 0.07% | 198,366 |
| Sep 8, 2025 | 28.91 | 28.94 | 28.35 | 28.67 | 28.59 | -0.69% | 170,843 |
| Sep 5, 2025 | 28.59 | 29.99 | 28.50 | 28.87 | 28.79 | 0.87% | 159,568 |
| Sep 4, 2025 | 28.22 | 28.69 | 27.97 | 28.62 | 28.54 | 1.92% | 171,977 |
| Sep 3, 2025 | 28.14 | 28.98 | 27.24 | 28.08 | 28.00 | -0.85% | 173,089 |
| Sep 2, 2025 | 28.65 | 28.89 | 28.24 | 28.32 | 28.24 | -2.28% | 174,828 |
| Aug 29, 2025 | 29.04 | 29.16 | 28.65 | 28.98 | 28.90 | -0.10% | 135,657 |
| Aug 28, 2025 | 29.40 | 29.47 | 28.94 | 29.01 | 28.85 | -0.75% | 172,918 |
| Aug 27, 2025 | 29.23 | 29.74 | 28.75 | 29.23 | 29.07 | -0.54% | 129,990 |
| Aug 26, 2025 | 29.65 | 29.79 | 29.23 | 29.39 | 29.23 | -1.04% | 138,870 |
| Aug 25, 2025 | 30.22 | 30.22 | 29.23 | 29.70 | 29.54 | -1.53% | 127,390 |
| Aug 22, 2025 | 29.27 | 30.47 | 28.94 | 30.16 | 30.00 | 4.76% | 148,847 |
| Aug 21, 2025 | 28.85 | 29.30 | 28.64 | 28.79 | 28.63 | -1.84% | 266,681 |
| Aug 20, 2025 | 29.78 | 29.90 | 29.25 | 29.33 | 29.17 | -1.74% | 138,447 |
| Aug 19, 2025 | 29.78 | 30.30 | 29.53 | 29.85 | 29.69 | 0.78% | 143,088 |
| Aug 18, 2025 | 29.54 | 29.90 | 29.46 | 29.62 | 29.46 | 0.03% | 160,388 |
| Aug 15, 2025 | 30.81 | 30.89 | 29.52 | 29.61 | 29.45 | -3.36% | 223,009 |
| Aug 14, 2025 | 30.44 | 31.01 | 30.43 | 30.64 | 30.47 | -1.35% | 168,414 |
| Aug 13, 2025 | 30.00 | 31.18 | 30.00 | 31.06 | 30.89 | 4.76% | 169,137 |
| Aug 12, 2025 | 28.93 | 30.40 | 28.50 | 29.65 | 29.49 | 4.59% | 265,579 |
| Aug 11, 2025 | 28.74 | 29.04 | 26.82 | 28.35 | 28.20 | -1.70% | 308,064 |
| Aug 8, 2025 | 28.76 | 29.57 | 26.79 | 28.84 | 28.68 | -13.32% | 405,339 |
| Aug 7, 2025 | 32.95 | 33.46 | 32.72 | 33.27 | 33.09 | 2.56% | 96,893 |
| Aug 6, 2025 | 32.49 | 32.60 | 32.24 | 32.44 | 32.26 | -0.55% | 79,040 |
| Aug 5, 2025 | 31.91 | 32.75 | 31.91 | 32.62 | 32.44 | 2.42% | 102,931 |
| Aug 4, 2025 | 31.99 | 32.36 | 31.73 | 31.85 | 31.68 | -0.13% | 87,478 |
| Aug 1, 2025 | 32.49 | 32.49 | 31.41 | 31.89 | 31.72 | -2.95% | 116,697 |
| Jul 31, 2025 | 32.67 | 33.12 | 32.51 | 32.86 | 32.68 | -0.73% | 121,450 |
| Jul 30, 2025 | 33.76 | 33.76 | 32.83 | 33.10 | 32.92 | -2.13% | 113,950 |
| Jul 29, 2025 | 34.18 | 34.18 | 33.69 | 33.82 | 33.64 | -0.68% | 99,793 |
| Jul 28, 2025 | 34.50 | 34.70 | 33.84 | 34.05 | 33.86 | -1.56% | 94,690 |
| Jul 25, 2025 | 33.43 | 34.65 | 33.40 | 34.59 | 34.40 | 3.28% | 100,772 |
| Jul 24, 2025 | 33.84 | 34.08 | 33.29 | 33.49 | 33.31 | -2.33% | 116,093 |
| Jul 23, 2025 | 33.60 | 34.31 | 33.32 | 34.29 | 34.10 | 3.91% | 110,269 |
| Jul 22, 2025 | 32.41 | 33.19 | 32.33 | 33.00 | 32.82 | 2.42% | 180,766 |
| Jul 21, 2025 | 32.63 | 32.96 | 32.14 | 32.22 | 32.04 | -0.37% | 94,166 |
| Jul 18, 2025 | 32.62 | 32.62 | 31.92 | 32.34 | 32.16 | 0.25% | 120,439 |
| Jul 17, 2025 | 32.26 | 32.52 | 32.17 | 32.26 | 32.08 | -0.55% | 105,557 |