Koppers (KOP) Stock Chart & Stock Price History $32.35 +0.09 (+0.28%) Closing price 07/18/2025 03:59 PM EasternExtended Trading$32.34 -0.01 (-0.03%) As of 07/18/2025 05:40 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Koppers Stock Price Performance The Koppers (KOP) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 16.54%, with a year-to-date return of -0.15%. In the past month, the stock has increased 3.80%, reflecting recent market activity. As of the latest close, Koppers traded at $32.35 with a market cap of $647.32 million and volume of 120,439 shares. Five years ago, the stock traded at $20.63, representing a 56.81% increase over that period. At the time, it had a market cap of $431.98 million and a volume of 136,300 shares. Receive KOP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Koppers and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-3.95%1 Month Performance+3.80%3 Month Performance+30.01%Year-To-Date Performance-0.15%1 Year Performance-16.54%5 Year Performance+56.81% KOP Stock Chart for Saturday, July, 19, 2025 KOP Chart by TradingView Koppers Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/18/2025$32.32$32.35+0.09%$32.62$31.92120,439 shs$647.32 million07/17/2025$32.43$32.32-0.35%$32.52$32.17105,557 shs$646.76 million07/16/2025$32.74$32.43-0.93%$32.93$32.13164,871 shs$649.00 million07/15/2025$33.68$32.74-2.79%$33.80$32.71124,630 shs$655.13 million07/14/2025$33.99$33.68-0.90%$33.94$33.07112,223 shs$673.92 million07/11/2025$34.70$33.99-2.05%$34.76$33.7687,925 shs$680.04 million07/10/2025$34.75$34.70-0.15%$35.61$34.53129,968 shs$694.29 million07/09/2025$33.69$34.75+3.15%$34.75$33.34190,026 shs$695.35 million07/08/2025$32.97$33.69+2.18%$34.38$33.00178,694 shs$674.14 million07/07/2025$33.69$32.97-2.14%$33.84$32.93141,474 shs$659.73 million Get the Latest News and Ratings for KOP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Koppers and its competitors with MarketBeat's FREE daily newsletter. 07/04/2025$33.69$33.69$34.12$33.4181,766 shs$674.14 million07/03/2025$34.06$33.69-1.09%$34.12$33.4181,766 shs$674.14 million07/02/2025$33.10$34.06+2.90%$34.20$33.04157,412 shs$681.54 million07/01/2025$32.11$33.10+3.08%$33.76$31.95156,272 shs$662.33 million06/30/2025$32.81$32.11-2.12%$32.99$31.55112,586 shs$642.52 million06/27/2025$31.78$32.81+3.23%$32.84$31.90319,181 shs$656.47 million06/26/2025$31.62$31.78+0.51%$32.03$31.54117,023 shs$635.92 million06/25/2025$32.26$31.62-1.97%$32.46$31.61107,123 shs$632.72 million06/24/2025$31.74$32.26+1.63%$32.53$31.9893,544 shs$645.44 million06/23/2025$31.26$31.74+1.53%$31.81$30.9077,803 shs$635.12 million06/20/2025$31.17$31.26+0.31%$31.39$30.79205,373 shs$625.55 million06/19/2025$31.17$31.17$31.87$31.0974,567 shs$623.61 million06/18/2025$31.60$31.17-1.38%$31.87$31.0974,567 shs$623.61 million Related Companies Linde Stock Chart Cabot Stock Chart H. B. Fuller Stock Chart Kennametal Stock Chart Terex Stock Chart Kronos Worldwide Stock Chart Tredegar Stock Chart LyondellBasell Industries Stock Chart Westlake Stock Chart Hawkins Stock Chart Receive KOP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Koppers and its competitors with MarketBeat's FREE daily newsletter. 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