NYSE · KOP

Koppers Holdings Inc.

Basic Materials · Chemicals - Specialty

$41.50

Down-$0.36 (-0.86%)

Updated Nov 1, 2026, 9:40 PM

SID Score

4.0/10

Composite research score

Smart Money

—

Institutional and insider signal

Price performance · KOP

KOP price history

1M range · 20 trading sessions · Daily adjusted prices

Prices through Oct 30, 2026

Daily close

View OHLC price history

KOP OHLC price history, latest 40 sessions
Date	Open	High	Low	Close	Volume
Oct 30, 2026	$41.71	$41.995	$40.92	$41.50	107.57K
Oct 29, 2026	$42.51	$42.8408	$41.665	$41.86	101.66K
Oct 28, 2026	$41.56	$42.29	$41.295	$42.08	141.37K
Oct 27, 2026	$40.13	$41.80	$39.8708	$41.44	173.17K
Oct 26, 2026	$40.27	$41.13	$39.73	$39.83	117.39K
Oct 23, 2026	$40.37	$40.75	$39.31	$40.18	216.94K
Oct 22, 2026	$40.98	$41.505	$40.48	$40.75	173.32K
Oct 21, 2026	$41.96	$41.96	$40.93	$41.34	333.66K
Oct 20, 2026	$43.08	$43.56	$41.62	$41.70	101.56K
Oct 19, 2026	$43.43	$43.775	$42.82	$42.91	100.29K
Oct 16, 2026	$43.31	$44.20	$43.06	$43.32	107.92K
Oct 15, 2026	$43.92	$44.3899	$43.14	$43.44	110.59K
Oct 14, 2026	$43.92	$44.23	$43.115	$43.67	116.63K
Oct 13, 2026	$43.09	$44.43	$42.69	$44.41	144.42K
Oct 12, 2026	$42.92	$43.60	$42.92	$43.10	115.13K
Oct 9, 2026	$44.22	$44.22	$42.875	$43.41	134.14K
Oct 8, 2026	$43.71	$45.06	$43.71	$44.24	164.79K
Oct 7, 2026	$45.21	$45.535	$43.75	$43.88	140.09K
Oct 6, 2026	$47.35	$47.4504	$45.97	$46.03	141.38K
Oct 5, 2026	$45.88	$47.79	$45.51	$47.04	282.1K