Koppers Holdings Inc. Common Stock (NY:KOP)

37.65 -1.03 (-2.66%)
Official Closing Price Updated: 6:30 PM EDT, Apr 1, 2026 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Apr 01, 2026 38.59 38.93 37.54 37.65 200,581 -1.03(-2.66%)
Mar 31, 2026 38.61 39.09 37.97 38.68 171,492 +0.44(+1.15%)
Mar 30, 2026 38.47 38.54 38.00 38.24 205,027 +0.32(+0.84%)
Mar 27, 2026 38.32 38.67 37.54 37.92 136,563 -0.85(-2.19%)
Mar 26, 2026 37.65 38.84 37.65 38.77 272,527 +0.90(+2.38%)
Mar 25, 2026 37.47 37.88 36.83 37.87 175,188 +0.66(+1.77%)
Mar 24, 2026 35.88 37.30 35.88 37.21 155,843 +1.11(+3.07%)
Mar 23, 2026 35.97 36.73 35.73 36.10 235,367 +1.00(+2.85%)
Mar 20, 2026 37.87 38.14 35.01 35.10 1,281,224 -2.35(-6.28%)
Mar 19, 2026 37.43 37.75 36.81 37.45 291,922 +0.10(+0.27%)
Mar 18, 2026 37.57 38.05 37.31 37.35 310,265 -0.37(-0.98%)
Mar 17, 2026 38.68 39.50 37.65 37.72 225,182 -0.67(-1.75%)
Mar 16, 2026 37.92 39.07 37.92 38.39 258,793 +0.62(+1.64%)
Mar 13, 2026 37.50 37.81 37.22 37.77 272,566 +0.41(+1.10%)
Mar 12, 2026 37.17 38.39 37.17 37.36 251,919 +0.08(+0.21%)
Mar 11, 2026 37.05 38.17 36.89 37.28 291,887 +0.09(+0.24%)
Mar 10, 2026 38.01 38.10 37.07 37.19 327,545 -1.34(-3.48%)
Mar 09, 2026 37.14 38.77 36.41 38.53 418,817 +0.98(+2.61%)
Mar 06, 2026 37.60 38.08 36.93 37.55 290,809 -0.47(-1.24%)
Mar 05, 2026 37.97 39.27 37.20 38.02 247,403 -0.53(-1.37%)
Mar 04, 2026 36.89 38.74 35.95 38.55 342,221 +1.82(+4.96%)
Mar 03, 2026 35.12 36.76 34.59 36.73 257,267 +0.31(+0.85%)
Mar 02, 2026 37.51 37.51 35.30 36.42 327,820 -1.38(-3.65%)
Feb 27, 2026 36.74 38.20 36.10 37.80 342,724 +0.56(+1.50%)
Feb 26, 2026 35.50 37.52 34.92 37.24 186,675 +2.72(+7.88%)
Feb 25, 2026 34.51 34.59 33.44 34.52 104,716 +0.10(+0.29%)
Feb 24, 2026 33.89 34.68 33.76 34.42 120,553 +0.70(+2.08%)
Feb 23, 2026 34.98 34.98 33.51 33.72 161,015 -1.39(-3.96%)
Feb 20, 2026 34.81 35.16 34.16 35.11 129,446 +0.50(+1.44%)
Feb 19, 2026 35.07 35.12 34.14 34.61 124,629 -0.45(-1.28%)
Feb 18, 2026 35.07 35.70 34.63 35.06 199,924 -0.01(-0.03%)
Feb 17, 2026 34.12 35.44 33.14 35.07 178,616 +0.77(+2.24%)
Feb 13, 2026 34.29 34.81 34.00 34.30 209,824 +0.08(+0.23%)
Feb 12, 2026 34.53 34.91 33.52 34.22 243,463 +0.01(+0.03%)
Feb 11, 2026 33.35 34.21 32.92 34.21 154,661 +1.01(+3.04%)
Feb 10, 2026 32.63 33.62 32.63 33.20 154,975 +0.70(+2.15%)
Feb 09, 2026 32.25 32.77 31.66 32.50 112,335 +0.20(+0.62%)
Feb 06, 2026 31.83 32.51 31.57 32.30 168,548 +0.80(+2.54%)
Feb 05, 2026 31.24 31.66 30.83 31.50 174,848 +0.28(+0.90%)
Feb 04, 2026 30.57 31.88 30.45 31.22 200,277 +0.91(+3.00%)
Feb 03, 2026 29.58 30.74 29.32 30.31 145,660 +0.62(+2.09%)
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