Koppers Holdings Inc. Common Stock (NY:KOP)

27.08 UNCHANGED
Streaming Delayed Price Updated: 7:00 PM EST, Dec 31, 2025 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Dec 31, 2025 27.39 27.48 27.00 27.08 116,443 -0.27(-0.99%)
Dec 30, 2025 27.20 27.60 27.01 27.35 115,629 +0.06(+0.22%)
Dec 29, 2025 26.94 27.31 26.64 27.29 139,875 +0.34(+1.26%)
Dec 26, 2025 27.15 27.24 26.76 26.95 119,255 -0.30(-1.10%)
Dec 24, 2025 26.89 27.29 26.88 27.25 54,899 +0.40(+1.49%)
Dec 23, 2025 27.26 27.33 26.76 26.85 80,812 -0.42(-1.54%)
Dec 22, 2025 27.42 28.13 27.21 27.27 182,020 -0.22(-0.80%)
Dec 19, 2025 27.92 28.00 27.08 27.49 325,893 -0.64(-2.28%)
Dec 18, 2025 28.17 28.68 27.88 28.13 143,065 -0.17(-0.60%)
Dec 17, 2025 28.51 28.82 28.17 28.30 106,635 -0.32(-1.12%)
Dec 16, 2025 28.47 29.04 28.12 28.62 220,602 +0.13(+0.46%)
Dec 15, 2025 29.06 29.47 28.42 28.49 120,286 -0.52(-1.79%)
Dec 12, 2025 29.25 29.80 28.92 29.01 151,539 -0.25(-0.85%)
Dec 11, 2025 29.04 29.34 28.72 29.26 109,517 +0.48(+1.67%)
Dec 10, 2025 27.69 29.09 27.69 28.78 192,756 +0.99(+3.56%)
Dec 09, 2025 28.25 28.41 27.47 27.79 165,243 -0.26(-0.93%)
Dec 08, 2025 28.08 28.61 27.87 28.05 153,996 +0.04(+0.14%)
Dec 05, 2025 27.84 28.49 27.84 28.01 106,218 -0.04(-0.14%)
Dec 04, 2025 29.08 29.25 27.99 28.05 115,217 -1.15(-3.94%)
Dec 03, 2025 29.24 29.71 28.80 29.20 105,850 -0.02(-0.07%)
Dec 02, 2025 29.77 29.77 28.92 29.22 133,599 -0.40(-1.35%)
Dec 01, 2025 29.43 30.08 29.43 29.62 90,220 -0.05(-0.17%)
Nov 28, 2025 29.62 29.91 29.40 29.67 94,336 +0.05(+0.17%)
Nov 26, 2025 29.47 30.27 29.47 29.62 196,570 -0.19(-0.64%)
Nov 25, 2025 28.67 30.05 28.63 29.81 195,773 +1.34(+4.69%)
Nov 24, 2025 28.18 28.56 27.63 28.47 166,488 +0.34(+1.21%)
Nov 21, 2025 27.33 28.73 27.16 28.13 206,630 +0.92(+3.37%)
Nov 20, 2025 28.01 28.36 27.11 27.22 98,832 -0.45(-1.62%)
Nov 19, 2025 27.89 27.96 27.39 27.67 141,686 -0.19(-0.68%)
Nov 18, 2025 27.65 28.41 27.42 27.85 161,149 +0.07(+0.25%)
Nov 17, 2025 28.90 28.91 27.77 27.79 186,863 -1.08(-3.73%)
Nov 14, 2025 29.26 29.67 28.43 28.86 235,511 -0.45(-1.53%)
Nov 13, 2025 28.35 29.50 28.06 29.31 197,239 +0.84(+2.94%)
Nov 12, 2025 28.36 28.87 28.10 28.47 172,530 +0.25(+0.88%)
Nov 11, 2025 27.81 28.29 27.30 28.22 228,172 +0.60(+2.17%)
Nov 10, 2025 26.93 27.81 25.95 27.63 182,709 +1.00(+3.75%)
Nov 07, 2025 28.57 28.57 24.93 26.63 213,480 -1.14(-4.09%)
Nov 06, 2025 28.07 29.92 27.67 27.77 174,934 -0.21(-0.75%)
Nov 05, 2025 27.99 28.53 27.70 27.97 183,364 -0.19(-0.67%)
Nov 04, 2025 27.79 28.40 26.86 28.16 135,518 +0.07(+0.25%)
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