Koppers Holdings Inc. Common Stock (NY:KOP)

40.83 +1.03 (+2.59%)
Official Closing Price Updated: 7:00 PM EDT, Apr 30, 2026 Add to My Watchlist

Historical Prices

Date Open High Low Close Volume Change (%)
Apr 30, 2026 39.73 41.06 39.73 40.83 109,595 +1.03(+2.59%)
Apr 29, 2026 41.61 41.61 39.75 39.80 166,537 -1.66(-4.00%)
Apr 28, 2026 41.50 42.17 40.91 41.46 193,660 +0.11(+0.27%)
Apr 27, 2026 40.47 41.42 40.31 41.35 153,692 +1.07(+2.66%)
Apr 24, 2026 39.00 40.49 38.85 40.28 168,992 +1.63(+4.22%)
Apr 23, 2026 38.12 38.80 37.66 38.65 129,034 +0.64(+1.68%)
Apr 22, 2026 38.06 38.06 37.42 38.01 83,166 +0.49(+1.31%)
Apr 21, 2026 37.58 38.19 36.74 37.52 150,686 +0.08(+0.21%)
Apr 20, 2026 37.58 37.96 37.35 37.44 71,676 -0.25(-0.66%)
Apr 17, 2026 36.92 38.13 36.56 37.69 161,847 +0.71(+1.92%)
Apr 16, 2026 37.35 37.85 36.77 36.98 125,415 -0.56(-1.49%)
Apr 15, 2026 38.27 38.27 37.43 37.54 102,119 -0.90(-2.34%)
Apr 14, 2026 38.28 38.89 37.90 38.44 122,342 +0.02(+0.05%)
Apr 13, 2026 37.46 38.46 37.13 38.42 118,010 +0.98(+2.62%)
Apr 10, 2026 37.07 37.50 37.07 37.44 87,578 +0.40(+1.08%)
Apr 09, 2026 37.21 37.61 36.70 37.04 147,547 -0.32(-0.86%)
Apr 08, 2026 37.20 37.50 36.93 37.36 186,732 +0.69(+1.88%)
Apr 07, 2026 35.75 36.73 35.62 36.67 217,680 +0.88(+2.46%)
Apr 06, 2026 37.18 37.19 35.68 35.79 212,520 -1.50(-4.02%)
Apr 02, 2026 36.94 37.84 36.31 37.29 237,321 -0.36(-0.96%)
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%)
Stock Quote API & Stock News API supplied by www.cloudquote.io
Quotes delayed at least 20 minutes.
By accessing this page, you agree to the Privacy Policy and Terms Of Service.