5 DAY PERFORMANCE
-16.52%
1 MONTH PERFORMANCE
-14.69%
3 MONTH PERFORMANCE
-13.21%
6 MONTH PERFORMANCE
+9.83%
YEAR-TO-DATE PERFORMANCE
+42.36%
1 YEAR PERFORMANCE
+33.44%
Koppers Holdings Inc Stock Chart
Share Price History
| Date | Opening Price | Closing Price | High | Low | Volume | Market Capitalization |
|---|---|---|---|---|---|---|
| 09/21/2026 | $45.53 | $45.61 (0.18%) | $45.88 | $45.33 | 139.04 K | $872.43 M |
| 09/18/2026 | $45.98 | $45.33 (-1.41%) | $45.98 | $44.83 | 470.80 K | $867.07 M |
| 09/17/2026 | $47.42 | $46.18 (-2.61%) | $47.42 | $45.83 | 179.60 K | $883.33 M |
| 09/16/2026 | $45.99 | $46.72 (1.59%) | $47.64 | $45.69 | 314.70 K | $893.66 M |
| 09/15/2026 | $46.12 | $45.79 (-0.72%) | $46.40 | $45.43 | 155.14 K | $875.87 M |
| 09/14/2026 | $45.92 | $46.00 (0.17%) | $46.20 | $45.27 | 115.95 K | $879.89 M |
| 09/11/2026 | $46.62 | $46.35 (-0.58%) | $47.00 | $46.19 | 115.10 K | $886.58 M |
| 09/10/2026 | $45.96 | $46.35 (0.85%) | $46.94 | $45.71 | 139.50 K | $886.58 M |
| 09/09/2026 | $47.20 | $46.06 (-2.42%) | $47.29 | $45.74 | 138.60 K | $881.04 M |
| 09/08/2026 | $47.94 | $47.12 (-1.71%) | $47.94 | $46.73 | 179.24 K | $901.31 M |
| 09/04/2026 | $46.57 | $47.78 (2.6%) | $47.83 | $46.22 | 174.22 K | $913.94 M |
| 09/03/2026 | $47.25 | $46.86 (-0.83%) | $47.43 | $46.16 | 170.10 K | $896.34 M |
| 09/02/2026 | $45.84 | $46.72 (1.92%) | $47.94 | $45.42 | 205.51 K | $893.66 M |
| 09/01/2026 | $45.28 | $45.93 (1.44%) | $46.08 | $44.49 | 227.32 K | $878.55 M |
| 08/31/2026 | $47.10 | $45.87 (-2.61%) | $47.61 | $45.76 | 160.84 K | $877.40 M |
| 08/28/2026 | $46.74 | $46.56 (-0.39%) | $47.00 | $46.00 | 117.71 K | $890.60 M |
| 08/27/2026 | $46.05 | $46.32 (0.59%) | $46.63 | $45.35 | 112.91 K | $886.01 M |
| 08/26/2026 | $46.56 | $46.34 (-0.47%) | $47.09 | $45.92 | 149.23 K | $886.39 M |
| 08/25/2026 | $45.87 | $46.13 (0.57%) | $46.62 | $44.81 | 108.70 K | $882.37 M |
| 08/24/2026 | $45.43 | $45.83 (0.88%) | $46.00 | $44.89 | 145.70 K | $876.64 M |
| 08/21/2026 | $45.88 | $45.19 (-1.5%) | $46.74 | $44.16 | 313.70 K | $864.39 M |
| 08/20/2026 | $44.47 | $45.88 (3.17%) | $46.27 | $44.47 | 194.31 K | $877.59 M |
| 08/19/2026 | $45.72 | $44.90 (-1.79%) | $47.02 | $44.76 | 157.30 K | $858.85 M |
| 08/18/2026 | $47.29 | $45.44 (-3.91%) | $47.82 | $45.15 | 162.80 K | $869.18 M |
| 08/17/2026 | $47.05 | $47.45 (0.85%) | $47.57 | $46.13 | 167.50 K | $907.62 M |
| 08/14/2026 | $46.14 | $47.14 (2.17%) | $47.41 | $45.89 | 220.40 K | $901.69 M |
| 08/13/2026 | $45.36 | $46.22 (1.9%) | $46.72 | $44.91 | 259.23 K | $884.10 M |
| 08/12/2026 | $46.38 | $45.34 (-2.24%) | $46.74 | $44.10 | 344.60 K | $867.26 M |
| 08/11/2026 | $50.00 | $46.01 (-7.98%) | $50.20 | $45.77 | 301.02 K | $880.08 M |
| 08/10/2026 | $51.01 | $50.54 (-0.92%) | $51.49 | $49.62 | 200.40 K | $966.73 M |
| 08/07/2026 | $51.15 | $51.24 (0.18%) | $51.31 | $48.80 | 478.70 K | $980.12 M |
| 08/06/2026 | $48.63 | $52.33 (7.61%) | $53.00 | $47.81 | 251.53 K | $1.00 B |
| 08/05/2026 | $51.68 | $51.03 (-1.26%) | $52.05 | $50.96 | 156.04 K | $976.10 M |
| 08/04/2026 | $50.47 | $51.99 (3.01%) | $52.15 | $49.83 | 175.93 K | $994.46 M |
| 08/03/2026 | $49.46 | $50.73 (2.57%) | $51.06 | $48.98 | 144.83 K | $970.36 M |
| 07/31/2026 | $48.41 | $49.02 (1.26%) | $49.60 | $47.81 | 145.90 K | $958.44 M |
| 07/30/2026 | $49.57 | $48.98 (-1.19%) | $50.29 | $48.57 | 135.20 K | $957.66 M |
| 07/29/2026 | $50.54 | $49.21 (-2.63%) | $51.45 | $48.67 | 135.20 K | $962.15 M |
| 07/28/2026 | $50.00 | $50.20 (0.4%) | $51.13 | $48.89 | 112.00 K | $981.51 M |
| 07/27/2026 | $50.07 | $49.61 (-0.92%) | $50.76 | $48.50 | 117.30 K | $969.97 M |
| 07/24/2026 | $49.60 | $50.22 (1.25%) | $50.65 | $48.83 | 148.20 K | $981.90 M |
| 07/23/2026 | $51.02 | $49.96 (-2.08%) | $51.28 | $49.86 | 180.40 K | $976.82 M |
| 07/22/2026 | $51.47 | $51.17 (-0.58%) | $52.25 | $50.37 | 100.30 K | $1.00 B |
| 07/21/2026 | $49.73 | $51.47 (3.5%) | $51.54 | $48.67 | 163.42 K | $1.01 B |
| 07/20/2026 | $49.17 | $49.20 (0.06%) | $50.07 | $47.77 | 205.44 K | $961.96 M |
| 07/17/2026 | $48.59 | $49.14 (1.13%) | $49.46 | $48.32 | 217.00 K | $960.79 M |
| 07/16/2026 | $48.06 | $49.05 (2.06%) | $50.00 | $48.06 | 222.31 K | $959.03 M |
| 07/15/2026 | $48.74 | $48.47 (-0.55%) | $49.30 | $48.00 | 145.10 K | $947.69 M |
| 07/14/2026 | $48.27 | $48.53 (0.54%) | $49.00 | $48.05 | 78.50 K | $948.86 M |
| 07/13/2026 | $47.65 | $47.77 (0.25%) | $48.36 | $47.23 | 116.31 K | $934.00 M |
| 07/10/2026 | $46.93 | $47.56 (1.34%) | $48.12 | $46.49 | 115.60 K | $929.89 M |
| 07/09/2026 | $47.41 | $46.59 (-1.73%) | $48.00 | $46.48 | 159.60 K | $910.93 M |
| 07/08/2026 | $46.61 | $47.40 (1.69%) | $47.52 | $45.37 | 144.52 K | $926.76 M |
| 07/07/2026 | $46.84 | $46.76 (-0.17%) | $47.32 | $45.13 | 202.92 K | $914.25 M |
| 07/06/2026 | $45.97 | $47.10 (2.46%) | $47.68 | $45.75 | 149.80 K | $920.90 M |
| 07/02/2026 | $44.97 | $46.21 (2.76%) | $48.63 | $44.96 | 255.75 K | $903.50 M |
| 07/01/2026 | $44.78 | $44.56 (-0.49%) | $45.56 | $44.48 | 126.30 K | $871.24 M |
| 06/30/2026 | $45.09 | $44.90 (-0.42%) | $45.54 | $44.65 | 123.24 K | $877.88 M |
| 06/29/2026 | $44.88 | $45.36 (1.07%) | $45.45 | $43.95 | 157.80 K | $886.88 M |
| 06/26/2026 | $44.33 | $45.12 (1.78%) | $45.13 | $44.01 | 322.20 K | $882.19 M |
| 06/25/2026 | $44.45 | $44.70 (0.56%) | $44.75 | $43.68 | 154.80 K | $873.97 M |
| 06/24/2026 | $42.94 | $43.88 (2.19%) | $44.36 | $42.77 | 157.47 K | $857.94 M |
| 06/23/2026 | $43.80 | $42.90 (-2.05%) | $43.90 | $42.78 | 136.01 K | $838.78 M |
| 06/22/2026 | $43.49 | $44.42 (2.14%) | $44.46 | $42.65 | 291.81 K | $868.50 M |
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