Koppers Stock Price History
NYSE: KOPBasic MaterialsForest ProductsUSD
43.41-0.83 (-1.88%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
KOP price history at a glance
The price history for Koppers (KOP) on this page begins on January 30, 2006, when the stock closed at $16.95; it most recently closed at $43.41 on October 5, 2026. The highest price in this record is $58.23, reached on February 26, 2024; the latest close is 25.5% below that peak. Across the 19 complete calendar years in the table, KOP finished higher in 10 and lower in 9. Its best year was 2016 (+120.8%) and its worst was 2018 (-61.4%).
Over roughly 21 years the share price changed +156.1%, a 4.7% compound annual price return (excluding dividends). In the last 12 months alone, KOP has gained 63.8%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 2006
- $58.23
- Date of high
- Feb 26, 2024
- Low since 2006
- $8.25
- Date of low
- Mar 30, 2020
- 52-week high
- $53.00
- 52-week low
- $25.00
- IPO year
- 2006
- Last close
- $43.41
KOP returns
1 week
-5.71%
1 month
-5.75%
3 months
-8.73%
6 months
+15.95%
Year to date
+60.30%
1 year
+63.81%
3 years
+15.79%
5 years
+29.78%
KOP price return, excluding dividends.
KOP annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 43.41 | +62.77% |
| 2025 | 26.67 | -15.92% |
| 2024 | 31.72 | -38.07% |
| 2023 | 51.22 | +81.63% |
| 2022 | 28.20 | -9.90% |
| 2021 | 31.30 | +0.45% |
| 2020 | 31.16 | -17.24% |
| 2019 | 37.65 | +91.70% |
| 2018 | 19.64 | -61.41% |
| 2017 | 50.90 | +26.30% |
| 2016 | 40.30 | +120.82% |
| 2015 | 18.25 | -29.92% |
| 2014 | 26.04 | -42.49% |
| 2013 | 45.28 | +14.46% |
| 2012 | 39.56 | +15.13% |
| 2011 | 34.36 | -3.97% |
| 2010 | 35.78 | +17.54% |
| 2009 | 30.44 | +38.24% |
| 2008 | 22.02 | -48.41% |
| 2007 | 42.68 | +63.71% |
| 2006* | 26.07 | +53.81% |
* Partial year: the record begins after the start of 2006; return measured from the first available close.
2026 return is year to date.
KOP daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 44.22 | 44.19 | 42.88 | 43.41 | -1.88% | |
| 43.71 | 45.06 | 43.78 | 44.24 | +0.82% | |
| 45.21 | 45.54 | 43.75 | 43.88 | -4.67% | |
| 47.35 | 47.45 | 45.97 | 46.03 | -2.15% | |
| 45.88 | 47.79 | 45.51 | 47.04 | +2.17% | |
| 45.81 | 46.39 | 45.31 | 46.04 | +1.88% | |
| 45.20 | 45.46 | 44.33 | 45.19 | -0.88% | |
| 46.34 | 46.34 | 45.46 | 45.59 | -1.06% | |
| 46.26 | 46.44 | 45.52 | 46.08 | -0.19% | |
| 46.06 | 46.98 | 45.95 | 46.17 | -0.22% | |
| 46.00 | 46.51 | 45.51 | 46.27 | +0.67% | |
| 46.34 | 46.45 | 45.55 | 45.96 | -0.65% | |
| 45.98 | 46.43 | 45.09 | 46.26 | +0.35% | |
| 45.90 | 46.90 | 45.82 | 46.10 | +1.07% | |
| 45.72 | 46.31 | 45.19 | 45.61 | +0.62% | |
| 45.98 | 45.98 | 44.83 | 45.33 | -1.84% | |
| 47.42 | 47.42 | 45.83 | 46.18 | -1.16% | |
| 45.99 | 47.64 | 45.69 | 46.72 | +2.03% | |
| 46.12 | 46.40 | 45.43 | 45.79 | -0.46% | |
| 45.92 | 46.20 | 45.27 | 46.00 | -0.76% | |
| 46.62 | 47.00 | 46.19 | 46.35 | 0.00% | |
| 45.96 | 46.94 | 45.71 | 46.35 | +0.63% | |
| 47.20 | 47.29 | 45.74 | 46.06 | -2.25% | |
| 47.94 | 47.94 | 46.73 | 47.12 | -1.38% | |
| 46.57 | 47.83 | 46.22 | 47.78 | +1.96% | |
| 47.25 | 47.43 | 46.16 | 46.86 | +0.30% | |
| 45.84 | 47.94 | 45.42 | 46.72 | +1.72% | |
| 45.28 | 46.08 | 44.49 | 45.93 | +0.13% | |
| 47.10 | 47.61 | 45.76 | 45.87 | -1.48% | |
| 46.74 | 47.00 | 46.00 | 46.56 | +0.52% | |
| 46.05 | 46.63 | 45.35 | 46.32 | -0.04% | |
| 46.56 | 47.09 | 45.92 | 46.34 | +0.46% | |
| 45.87 | 46.62 | 44.81 | 46.13 | +0.65% | |
| 45.43 | 46.00 | 44.89 | 45.83 | +1.42% | |
| 45.88 | 46.74 | 44.16 | 45.19 | -1.50% | |
| 44.47 | 46.27 | 44.47 | 45.88 | +2.18% | |
| 45.72 | 47.02 | 44.76 | 44.90 | -1.19% | |
| 47.29 | 47.82 | 45.15 | 45.44 | -4.24% | |
| 47.05 | 47.57 | 46.13 | 47.45 | +0.66% | |
| 46.14 | 47.41 | 45.89 | 47.14 | +1.99% | |
| 45.36 | 46.72 | 44.91 | 46.22 | +1.94% | |
| 46.38 | 46.74 | 44.10 | 45.34 | -1.46% | |
| 50.00 | 50.20 | 45.77 | 46.01 | -8.96% | |
| 51.01 | 51.49 | 49.62 | 50.54 | -1.37% | |
| 51.15 | 51.31 | 48.80 | 51.24 | -2.08% | |
| 48.63 | 53.00 | 47.81 | 52.33 | +2.55% | |
| 51.68 | 52.05 | 50.96 | 51.03 | -1.85% | |
| 50.47 | 52.15 | 49.83 | 51.99 | +2.48% | |
| 49.46 | 51.06 | 48.98 | 50.73 | +3.49% | |
| 48.41 | 49.60 | 47.81 | 49.02 | +0.08% | |
| 49.57 | 50.29 | 48.57 | 48.98 | -0.47% | |
| 50.54 | 51.45 | 48.67 | 49.21 | -1.97% | |
| 50.00 | 51.13 | 48.89 | 50.20 | +1.19% | |
| 50.07 | 50.76 | 48.50 | 49.61 | -1.21% | |
| 49.60 | 50.65 | 48.83 | 50.22 | +0.52% | |
| 51.02 | 51.28 | 49.86 | 49.96 | -2.36% | |
| 51.47 | 52.25 | 50.37 | 51.17 | -0.58% | |
| 49.73 | 51.54 | 48.67 | 51.47 | +4.61% | |
| 49.17 | 50.07 | 47.77 | 49.20 | +0.12% | |
| 48.59 | 49.46 | 48.32 | 49.14 | +0.18% | |
| 48.06 | 50.00 | 48.06 | 49.05 | +1.20% | |
| 48.74 | 49.30 | 48.00 | 48.47 | -0.12% | |
| 48.27 | 49.00 | 48.05 | 48.53 | +1.59% | |
| 47.65 | 48.36 | 47.23 | 47.77 | +0.44% | |
| 46.93 | 48.12 | 46.49 | 47.56 | +2.08% | |
| 47.41 | 48.00 | 46.48 | 46.59 | -1.71% | |
| 46.61 | 47.52 | 45.37 | 47.40 | +1.37% | |
| 46.84 | 47.32 | 45.13 | 46.76 | -0.72% | |
| 45.97 | 47.68 | 45.75 | 47.10 | +1.93% | |
| 44.97 | 48.63 | 44.96 | 46.21 | +3.70% | |
| 44.78 | 45.56 | 44.48 | 44.56 | -0.76% | |
| 45.09 | 45.54 | 44.65 | 44.90 | -1.01% | |
| 44.88 | 45.45 | 43.95 | 45.36 | +0.53% | |
| 44.33 | 45.13 | 44.01 | 45.12 | +0.94% | |
| 44.45 | 44.75 | 43.68 | 44.70 | +1.87% | |
| 42.94 | 44.36 | 42.77 | 43.88 | +2.28% | |
| 43.80 | 43.90 | 42.78 | 42.90 | -3.42% | |
| 43.49 | 44.46 | 42.65 | 44.42 | +1.58% | |
| 43.94 | 44.74 | 43.42 | 43.73 | +0.18% | |
| 44.53 | 45.44 | 43.64 | 43.65 | -1.91% | |
| 44.65 | 45.33 | 44.26 | 44.50 | +0.23% | |
| 44.07 | 44.55 | 43.63 | 44.40 | +2.28% | |
| 41.92 | 43.66 | 41.87 | 43.41 | +4.55% | |
| 42.17 | 42.17 | 40.81 | 41.52 | -0.38% | |
| 41.70 | 42.31 | 41.49 | 41.68 | -0.43% | |
| 41.90 | 42.60 | 40.80 | 41.86 | +1.55% | |
| 41.22 | 41.76 | 40.62 | 41.22 | +1.00% | |
| 42.04 | 42.38 | 40.62 | 40.81 | -3.20% | |
| 43.36 | 43.57 | 41.72 | 42.16 | -2.16% | |
| 42.09 | 43.52 | 41.88 | 43.09 | +1.44% | |
| 41.17 | 42.61 | 40.63 | 42.48 | +3.13% | |
| 40.58 | 41.29 | 40.20 | 41.19 | +0.96% | |
| 40.97 | 41.36 | 40.64 | 40.80 | -1.19% | |
| 42.46 | 42.61 | 41.10 | 41.29 | -3.37% | |
| 41.70 | 42.77 | 41.70 | 42.73 | +2.86% | |
| 41.57 | 42.00 | 40.85 | 41.54 | +2.92% | |
| 40.05 | 40.58 | 39.54 | 40.36 | +1.84% | |
| 38.56 | 39.67 | 38.50 | 39.63 | +1.10% | |
| 38.22 | 39.49 | 38.14 | 39.20 | +2.32% | |
| 39.86 | 39.96 | 38.13 | 38.31 | -5.15% | |
| 40.73 | 41.96 | 40.39 | 40.39 | -0.71% | |
| 42.23 | 42.23 | 40.33 | 40.68 | -4.08% | |
| 43.23 | 43.88 | 41.94 | 42.41 | -0.66% | |
| 43.77 | 44.67 | 42.30 | 42.69 | -1.97% | |
| 42.99 | 44.10 | 42.42 | 43.55 | +1.09% | |
| 44.00 | 44.00 | 41.91 | 43.08 | -2.07% | |
| 44.38 | 46.40 | 42.45 | 43.99 | +6.88% | |
| 41.49 | 42.41 | 41.09 | 41.16 | -1.08% | |
| 41.80 | 42.04 | 40.18 | 41.61 | +0.63% | |
| 40.04 | 41.89 | 39.50 | 41.35 | +3.79% | |
| 41.70 | 41.74 | 39.50 | 39.84 | -4.94% | |
| 41.09 | 41.93 | 41.00 | 41.91 | +2.65% | |
| 39.73 | 41.06 | 39.73 | 40.83 | +2.59% | |
| 41.61 | 41.61 | 39.75 | 39.80 | -4.00% | |
| 41.50 | 42.17 | 40.91 | 41.46 | +0.27% | |
| 40.47 | 41.42 | 40.31 | 41.35 | +2.66% | |
| 39.00 | 40.49 | 38.85 | 40.28 | +4.22% | |
| 38.12 | 38.80 | 37.66 | 38.65 | +1.68% | |
| 38.06 | 38.06 | 37.42 | 38.01 | +1.31% | |
| 37.58 | 38.19 | 36.74 | 37.52 | +0.21% | |
| 37.58 | 37.96 | 37.35 | 37.44 | -0.66% | |
| 36.92 | 38.13 | 36.56 | 37.69 | +1.92% | |
| 37.35 | 37.85 | 36.77 | 36.98 | -1.49% | |
| 38.27 | 38.27 | 37.43 | 37.54 | -2.34% | |
| 38.28 | 38.89 | 37.90 | 38.44 | +0.05% | |
| 37.46 | 38.46 | 37.14 | 38.42 | +2.62% | |
| 37.07 | 37.50 | 37.07 | 37.44 | +1.08% | |
| 37.21 | 37.61 | 36.70 | 37.04 | -0.86% | |
| 37.20 | 37.50 | 36.93 | 37.36 | +1.88% | |
| 35.75 | 36.73 | 35.62 | 36.67 | +2.46% | |
| 37.18 | 37.19 | 35.68 | 35.79 | -4.02% | |
| 36.94 | 37.84 | 36.31 | 37.29 | -0.96% | |
| 38.59 | 38.93 | 37.54 | 37.65 | -2.66% | |
| 38.61 | 39.09 | 37.97 | 38.68 | +1.15% | |
| 38.47 | 38.54 | 38.00 | 38.24 | +0.84% | |
| 38.32 | 38.67 | 37.54 | 37.92 | -2.19% | |
| 37.65 | 38.84 | 37.65 | 38.77 | +2.38% | |
| 37.47 | 37.88 | 36.83 | 37.87 | +1.77% | |
| 35.88 | 37.30 | 35.88 | 37.21 | +3.07% | |
| 35.97 | 36.73 | 35.73 | 36.10 | +2.85% | |
| 37.87 | 38.14 | 35.01 | 35.10 | -6.28% | |
| 37.43 | 37.75 | 36.81 | 37.45 | +0.27% | |
| 37.57 | 38.05 | 37.31 | 37.35 | -0.98% | |
| 38.68 | 39.50 | 37.65 | 37.72 | -1.75% | |
| 37.92 | 39.07 | 37.92 | 38.39 | +1.64% | |
| 37.50 | 37.81 | 37.22 | 37.77 | +1.10% | |
| 37.17 | 38.39 | 37.17 | 37.36 | +0.21% | |
| 37.05 | 38.17 | 36.89 | 37.28 | +0.24% | |
| 38.01 | 38.11 | 37.07 | 37.19 | -3.48% | |
| 37.14 | 38.77 | 36.41 | 38.53 | +2.61% | |
| 37.60 | 38.08 | 36.93 | 37.55 | -1.24% | |
| 37.97 | 39.27 | 37.20 | 38.02 | -1.37% | |
| 36.89 | 38.74 | 35.95 | 38.55 | +4.96% | |
| 35.12 | 36.76 | 34.59 | 36.73 | +0.85% | |
| 37.51 | 37.51 | 35.30 | 36.42 | -3.65% | |
| 36.74 | 38.21 | 36.10 | 37.80 | +1.50% | |
| 35.50 | 37.52 | 34.92 | 37.24 | +7.88% | |
| 34.51 | 34.59 | 33.44 | 34.52 | +0.29% | |
| 33.89 | 34.68 | 33.76 | 34.42 | +2.08% | |
| 34.98 | 34.98 | 33.51 | 33.72 | -3.96% | |
| 34.81 | 35.16 | 34.16 | 35.11 | +1.44% | |
| 35.07 | 35.12 | 34.14 | 34.61 | -1.28% | |
| 35.07 | 35.70 | 34.63 | 35.06 | -0.03% | |
| 34.12 | 35.44 | 33.14 | 35.07 | +2.24% | |
| 34.29 | 34.81 | 34.00 | 34.30 | +0.23% | |
| 34.53 | 34.91 | 33.52 | 34.22 | +0.03% | |
| 33.35 | 34.21 | 32.92 | 34.21 | +3.04% | |
| 32.63 | 33.62 | 32.63 | 33.20 | +2.15% | |
| 32.25 | 32.77 | 31.66 | 32.50 | +0.62% | |
| 31.83 | 32.51 | 31.57 | 32.30 | +2.54% | |
| 31.24 | 31.67 | 30.83 | 31.50 | +0.90% | |
| 30.57 | 31.88 | 30.46 | 31.22 | +3.00% | |
| 29.58 | 30.74 | 29.33 | 30.31 | +2.09% | |
| 29.47 | 30.00 | 29.15 | 29.69 | +0.78% | |
| 29.22 | 29.83 | 28.99 | 29.46 | -0.54% | |
| 29.44 | 29.68 | 29.00 | 29.62 | +1.30% | |
| 29.12 | 29.28 | 28.79 | 29.24 | +0.41% | |
| 29.06 | 29.17 | 28.77 | 29.12 | -0.03% | |
| 29.03 | 29.22 | 28.65 | 29.13 | +0.55% | |
| 29.34 | 29.46 | 28.88 | 28.97 | -1.63% | |
| 29.85 | 30.22 | 29.37 | 29.45 | -0.24% | |
| 28.22 | 29.60 | 28.22 | 29.52 | +4.83% | |
| 28.50 | 28.56 | 27.96 | 28.16 | -3.16% | |
| 28.92 | 29.25 | 28.75 | 29.08 | -0.55% | |
| 29.39 | 29.66 | 29.02 | 29.24 | -0.41% | |
| 28.90 | 29.72 | 28.67 | 29.36 | +2.16% | |
| 28.92 | 29.91 | 28.71 | 28.74 | -0.66% | |
| 28.25 | 29.01 | 27.49 | 28.93 | +2.12% | |
| 27.04 | 28.47 | 26.81 | 28.33 | +2.57% | |
| 26.80 | 27.83 | 26.77 | 27.62 | +2.56% | |
| 27.65 | 27.77 | 26.79 | 26.93 | -2.53% | |
| 26.75 | 27.72 | 26.55 | 27.63 | +2.60% | |
| 26.52 | 27.49 | 26.52 | 26.93 | +0.97% | |
| 27.04 | 27.29 | 26.65 | 26.67 | -1.51% | |
| 27.39 | 27.48 | 27.00 | 27.08 | -0.99% | |
| 27.20 | 27.60 | 27.01 | 27.35 | +0.22% | |
| 26.94 | 27.31 | 26.64 | 27.29 | +1.26% | |
| 27.15 | 27.24 | 26.76 | 26.95 | -1.10% | |
| 26.89 | 27.29 | 26.88 | 27.25 | +1.49% | |
| 27.26 | 27.33 | 26.76 | 26.85 | -1.54% | |
| 27.42 | 28.13 | 27.21 | 27.27 | -0.80% | |
| 27.92 | 28.00 | 27.08 | 27.49 | -2.28% | |
| 28.17 | 28.68 | 27.88 | 28.13 | -0.60% | |
| 28.51 | 28.83 | 28.17 | 28.30 | -1.12% | |
| 28.47 | 29.04 | 28.12 | 28.62 | +0.46% | |
| 29.06 | 29.47 | 28.42 | 28.49 | -1.79% | |
| 29.25 | 29.80 | 28.92 | 29.01 | -0.85% | |
| 29.04 | 29.34 | 28.72 | 29.26 | +1.67% | |
| 27.69 | 29.09 | 27.69 | 28.78 | +3.56% | |
| 28.25 | 28.41 | 27.47 | 27.79 | -0.93% | |
| 28.08 | 28.61 | 27.87 | 28.05 | +0.14% | |
| 27.84 | 28.49 | 27.84 | 28.01 | -0.14% | |
| 29.08 | 29.25 | 27.99 | 28.05 | -3.94% | |
| 29.24 | 29.71 | 28.81 | 29.20 | -0.07% | |
| 29.77 | 29.77 | 28.92 | 29.22 | -1.35% | |
| 29.43 | 30.08 | 29.43 | 29.62 | -0.17% | |
| 29.62 | 29.91 | 29.40 | 29.67 | -0.10% | |
| 29.55 | 30.35 | 29.55 | 29.70 | -0.64% | |
| 28.75 | 30.13 | 28.71 | 29.89 | +4.69% | |
| 28.26 | 28.64 | 27.70 | 28.55 | +1.21% | |
| 27.40 | 28.81 | 27.23 | 28.21 | +3.37% | |
| 28.09 | 28.44 | 27.18 | 27.29 | -1.62% | |
| 27.97 | 28.04 | 27.46 | 27.74 | -0.68% | |
| 27.72 | 28.49 | 27.49 | 27.93 | +0.25% | |
| 28.98 | 28.99 | 27.84 | 27.86 | -3.73% | |
| 29.34 | 29.75 | 28.51 | 28.94 | -1.53% | |
| 28.43 | 29.58 | 28.14 | 29.39 | +2.94% | |
| 28.44 | 28.95 | 28.18 | 28.55 | +0.88% | |
| 27.89 | 28.37 | 27.37 | 28.30 | +2.17% | |
| 27.00 | 27.89 | 26.02 | 27.70 | +3.75% | |
| 28.65 | 28.65 | 25.00 | 26.70 | -4.09% | |
| 28.15 | 30.00 | 27.74 | 27.84 | -0.75% | |
| 28.07 | 28.61 | 27.77 | 28.05 | -0.67% | |
| 27.86 | 28.48 | 26.93 | 28.24 | +0.25% | |
| 28.01 | 28.39 | 27.52 | 28.17 | -0.18% | |
| 27.58 | 28.39 | 27.10 | 28.22 | +2.21% | |
| 28.67 | 28.67 | 27.26 | 27.61 | -5.61% | |
| 29.38 | 29.83 | 28.82 | 29.25 | -0.41% | |
| 29.19 | 29.59 | 28.82 | 29.37 | -0.14% | |
| 29.36 | 29.63 | 28.96 | 29.41 | +0.93% | |
| 29.12 | 29.44 | 29.07 | 29.14 | +1.46% | |
| 28.62 | 29.04 | 28.30 | 28.72 | +1.20% | |
| 28.00 | 28.44 | 27.94 | 28.38 | +1.39% | |
| 27.02 | 28.03 | 27.00 | 27.99 | +3.63% | |
| 26.92 | 27.15 | 26.57 | 27.01 | +1.01% | |
| 26.51 | 26.90 | 26.45 | 26.74 | 0.00% | |
| 26.49 | 26.74 | 26.17 | 26.74 | +1.17% | |
| 26.90 | 27.39 | 26.26 | 26.43 | -0.97% | |
| 26.38 | 26.99 | 26.38 | 26.69 | -0.19% | |
| 26.74 | 26.94 | 26.55 | 26.74 | +1.48% | |
| 26.54 | 26.84 | 26.16 | 26.35 | -0.57% | |
| 26.60 | 26.79 | 26.34 | 26.50 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the KOP chart for longer ranges.