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Koppers (KOP) Stock Chart & Stock Price History

Koppers logo
$28.76 -0.14 (-0.48%)
Closing price 09/12/2025 03:59 PM Eastern
Extended Trading
$28.76 -0.01 (-0.02%)
As of 09/12/2025 04:57 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.
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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 22.40%, with a year-to-date return of -11.23%. In the past month, the stock has decreased 7.41%, reflecting recent market activity.

As of the latest close, Koppers traded at $28.76 with a market cap of $567.03 million and volume of 177,708 shares. Five years ago, the stock traded at $22.22, representing a 29.43% increase over that period. At the time, it had a market cap of $476.48 million and a volume of 91,221 shares.

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5 Day
Performance
+0.14%
1 Month
Performance
-7.41%
3 Month
Performance
-9.73%
Year-To-Date
Performance
-11.23%
1 Year
Performance
-22.40%
5 Year
Performance
+29.43%

KOP Stock Chart for Saturday, September, 13, 2025

KOP Chart by TradingView

Koppers Stock Price History

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DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
09/12/2025$28.96$28.76
-0.67%		$28.98$28.14177,708 shs$567.03 million
09/11/2025$27.58$28.96
+5.00%		$28.98$27.49199,120 shs$570.99 million
09/10/2025$28.74$27.58
-4.04%		$28.82$27.38137,870 shs$543.82 million
09/09/2025$28.72$28.74
+0.06%		$28.94$28.19198,366 shs$566.60 million
09/08/2025$28.89$28.72
-0.59%		$28.94$28.35170,843 shs$566.36 million
09/05/2025$28.62$28.89
+0.96%		$29.99$28.50159,568 shs$569.73 million
09/04/2025$28.08$28.62
+1.92%		$28.69$27.97171,977 shs$564.33 million
09/03/2025$28.42$28.08
-1.18%		$28.98$27.24173,089 shs$553.61 million
09/02/2025$28.91$28.42
-1.73%		$28.89$28.24174,828 shs$560.34 million
09/01/2025$28.91$28.91$29.16$28.65135,654 shs$570.18 million
08/29/2025$29.11$28.91
-0.66%		$29.16$28.65135,654 shs$570.18 million
08/28/2025$29.24$29.11
-0.45%		$29.47$28.94172,918 shs$573.85 million
08/27/2025$29.40$29.24
-0.54%		$29.74$28.75129,990 shs$576.59 million
08/26/2025$29.77$29.40
-1.24%		$29.79$29.23138,870 shs$579.75 million
08/25/2025$30.18$29.77
-1.37%		$30.22$29.23127,390 shs$586.89 million
08/22/2025$28.77$30.18
+4.89%		$30.47$28.94148,847 shs$595.07 million
08/21/2025$29.33$28.77
-1.89%		$29.30$28.64266,681 shs$567.42 million
08/20/2025$29.80$29.33
-1.59%		$29.90$29.25138,447 shs$578.33 million
08/19/2025$29.67$29.80
+0.44%		$30.30$29.53143,088 shs$587.66 million
08/18/2025$29.62$29.67
+0.16%		$29.90$29.46160,388 shs$585.05 million
08/15/2025$30.71$29.62
-3.56%		$30.89$29.52223,009 shs$584.11 million
08/14/2025$31.06$30.71
-1.12%		$31.01$30.43168,414 shs$605.64 million
08/13/2025$29.70$31.06
+4.59%		$31.18$30.00169,137 shs$612.50 million
08/12/2025$28.32$29.70
+4.85%		$30.40$28.50265,579 shs$594.24 million
08/11/2025$28.85$28.32
-1.83%		$29.04$26.82308,061 shs$566.74 million
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This page (NYSE:KOP) was last updated on 9/13/2025 by MarketBeat.com Staff
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