Koppers Inc. (KOP)
NYSE: KOP
· Real-Time Price · USD
28.59
0.51 (1.82%)
At close: Sep 04, 2025, 3:59 PM
28.62
0.10%
After-hours: Sep 04, 2025, 06:19 PM EDT
Koppers Market Cap
Koppers has a market cap or net worth of 563.67M as of Sep 5, 2025. Its market cap has decreased by -28.45% in one year.
Market Cap Chart
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| Sep 03, 2025 | 558.31M | -15.4% |
| Dec 31, 2024 | 659.96M | -38.13% |
| Dec 29, 2023 | 1.07B | 81.52% |
| Dec 30, 2022 | 587.66M | -11.23% |
| Dec 31, 2021 | 662.03M | 0.49% |
| Dec 31, 2020 | 658.78M | -17.34% |
| Dec 31, 2019 | 796.96M | 127.32% |
| Dec 31, 2018 | 350.6M | -66.83% |
| Dec 29, 2017 | 1.06B | 26.93% |
| Dec 30, 2016 | 832.76M | 121.7% |
| Dec 31, 2015 | 375.62M | -29.51% |
| Dec 31, 2014 | 532.9M | -42.86% |
| Dec 31, 2013 | 932.57M | 18.28% |
| Dec 31, 2012 | 788.45M | 11.38% |
| Dec 30, 2011 | 707.88M | -3.9% |
| Dec 31, 2010 | 736.64M | 18.2% |
| Dec 31, 2009 | 623.2M | 41.1% |
| Dec 31, 2008 | 441.67M | -50.96% |
| Dec 31, 2007 | 900.6M | 66.65% |
| Dec 29, 2006 | 540.43M | n/a |