NYSE:KOP | Historical Stock Price | Koppers Holdings Inc.

Complete retained daily price history on its own workbook tab. Split-adjusted close keeps every historical share price on one comparable split basis. Cumulative dividend-reinvested close is the daily close of a rebased total-return index: it starts with one share at the earliest retained close, reinvests every distribution, and normalizes every forward and reverse split exactly once. Admitted exchange opening prices remain a distinct current-session series.

Available history
2006-02-01 to 2026-09-04
Data captured

Stock Price Chart

Blue: Split-adjusted close · Orange: Cumulative dividend-reinvested close

$9.63$14.60$22.12$33.53$50.81$77.002006-02-012026-08-27

Logarithmic scale. Both lines share the same starting value for the selected range.

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Historical Stock Price — 2012

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2012-12-31$38.15$46.70102,600——
2012-12-28$37.52$45.9336,700——
2012-12-27$37.88$46.3757,900——
2012-12-26$37.83$46.3138,300——
2012-12-24$37.85$46.3324,700——
2012-12-21$37.96$46.47195,900——
2012-12-20$38.00$46.5283,500——
2012-12-19$38.33$46.9272,300——
2012-12-18$38.34$46.9398,200——
2012-12-17$37.55$45.9780,300——
2012-12-14$36.78$45.0264,800——
2012-12-13$36.68$44.9071,200——
2012-12-12$36.91$45.1893,000——
2012-12-11$36.70$44.9298,500——
2012-12-10$36.19$44.30127,200——
2012-12-07$36.22$44.3491,700——
2012-12-06$35.43$43.3794,400——
2012-12-05$34.88$42.7055,400——
2012-12-04$34.89$42.71143,700——
2012-12-03$34.70$42.4866,600——
2012-11-30$35.39$43.32172,100——
2012-11-29$35.02$42.8767,800——
2012-11-28$33.79$41.3688,300——
2012-11-27$33.77$41.34109,600——
2012-11-26$33.46$40.9696,400——
2012-11-23$33.68$41.2340,400——
2012-11-21$33.39$40.8737,700——
2012-11-20$33.27$40.7356,900——
2012-11-19$33.19$40.6376,200——
2012-11-16$31.77$38.89102,600——
2012-11-15$31.76$38.88133,000——
2012-11-14$32.78$39.83101,300——
2012-11-13$33.53$40.7471,400——
2012-11-12$33.62$40.8584,000——
2012-11-09$33.54$40.76129,000——
2012-11-08$33.62$40.85252,200——
2012-11-07$35.26$42.85168,600——
2012-11-06$37.10$45.0859,500——
2012-11-05$36.34$44.1641,600——
2012-11-02$35.47$43.1065,300——
2012-11-01$36.52$44.3866,400——
2012-10-31$35.70$43.3846,300——
2012-10-26$35.73$43.4248,500——
2012-10-25$35.65$43.3260,400——
2012-10-24$35.11$42.6657,700——
2012-10-23$34.35$41.7498,500——
2012-10-22$35.01$42.5495,200——
2012-10-19$35.02$42.55164,800——
2012-10-18$35.31$42.9166,000——
2012-10-17$35.91$43.6443,900——
2012-10-16$35.42$43.0468,800——
2012-10-15$34.76$42.2455,400——
2012-10-12$34.21$41.5771,500——
2012-10-11$34.74$42.2161,900——
2012-10-10$34.28$41.6635,600——
2012-10-09$34.42$41.8358,500——
2012-10-08$34.70$42.1775,400——
2012-10-05$35.31$42.9160,400——
2012-10-04$35.58$43.2473,300——
2012-10-03$34.80$42.29107,200——
2012-10-02$35.33$42.93119,500——
2012-10-01$35.20$42.77124,300——
2012-09-28$34.93$42.4569,900——
2012-09-27$35.76$43.4579,200——
2012-09-26$35.46$43.09100,600——
2012-09-25$35.42$43.04142,400——
2012-09-24$35.96$43.7086,100——
2012-09-21$37.04$45.01119,600——
2012-09-20$36.68$44.5785,100——
2012-09-19$36.49$44.34112,400——
2012-09-18$36.92$44.8668,800——
2012-09-17$36.84$44.7772,600——
2012-09-14$36.79$44.71108,400——
2012-09-13$36.83$44.7595,700——
2012-09-12$35.77$43.4755,400——
2012-09-11$35.99$43.7389,400——
2012-09-10$35.85$43.56143,000——
2012-09-07$34.42$41.8341,500——
2012-09-06$33.80$41.0786,100——
2012-09-05$32.92$40.0071,700——
2012-09-04$32.67$39.7077,500——
2012-08-31$32.41$39.3847,600——
2012-08-30$31.94$38.81134,100——
2012-08-29$33.23$40.3875,900——
2012-08-28$32.97$40.0693,200——
2012-08-27$32.88$39.9572,800——
2012-08-24$32.61$39.6369,400——
2012-08-23$31.98$38.86111,600——
2012-08-22$32.14$39.05150,200——
2012-08-21$31.94$38.81117,500——
2012-08-20$32.50$39.49108,200——
2012-08-17$32.44$39.42148,600——
2012-08-16$31.86$38.71154,900——
2012-08-15$31.18$37.60155,100——
2012-08-14$30.70$37.02221,900——
2012-08-13$31.47$37.95224,100——
2012-08-10$31.31$37.75171,600——
2012-08-09$31.67$38.19422,400——
2012-08-08$34.47$41.5635,900——
2012-08-07$34.07$41.0877,200——
2012-08-06$33.90$40.8898,800——
2012-08-03$34.08$41.0954,600——
2012-08-02$32.50$39.1954,900——
2012-08-01$33.44$40.32102,100——
2012-07-31$32.94$39.7266,800——
2012-07-30$32.54$39.2426,500——
2012-07-27$32.80$39.5563,500——
2012-07-26$31.36$37.8145,000——
2012-07-25$31.18$37.6051,900——
2012-07-24$31.34$37.7941,900——
2012-07-23$31.82$38.3750,800——
2012-07-20$32.60$39.3154,200——
2012-07-19$33.11$39.9228,500——
2012-07-18$33.60$40.5134,300——
2012-07-17$32.77$39.5149,600——
2012-07-16$32.89$39.6648,400——
2012-07-13$33.23$40.0762,500——
2012-07-12$32.56$39.2674,100——
2012-07-11$32.72$39.4575,600——
2012-07-10$33.41$40.2982,700——
2012-07-09$33.91$40.89125,700——
2012-07-06$34.51$41.61175,300——
2012-07-05$34.65$41.7864,700——
2012-07-03$34.81$41.9757,200——
2012-07-02$34.22$41.2673,200——
2012-06-29$34.00$41.0093,400——
2012-06-28$32.26$38.9062,400——
2012-06-27$32.45$39.1375,400——
2012-06-26$31.85$38.4054,400——
2012-06-25$31.81$38.3673,200——
2012-06-22$32.50$39.19133,200——
2012-06-21$32.11$38.72103,200——
2012-06-20$33.09$39.9093,800——
2012-06-19$33.79$40.74142,700——
2012-06-18$32.79$39.5463,500——
2012-06-15$33.48$40.37125,800——
2012-06-14$32.19$38.81117,700——
2012-06-13$31.51$37.99112,000——
2012-06-12$32.92$39.6996,100——
2012-06-11$32.27$38.91113,900——
2012-06-08$33.98$40.9756,900——
2012-06-07$33.54$40.44150,600——
2012-06-06$34.32$41.3865,600——
2012-06-05$33.01$39.8063,300——
2012-06-04$32.78$39.5362,100——
2012-06-01$32.92$39.69107,000——
2012-05-31$35.11$42.3497,600——
2012-05-30$35.38$42.6692,200——
2012-05-29$36.71$44.26121,300——
2012-05-25$35.12$42.3591,300——
2012-05-24$34.79$41.9585,000——
2012-05-23$34.58$41.7089,000——
2012-05-22$34.75$41.90104,800——
2012-05-21$35.18$42.42196,400——
2012-05-18$34.47$41.56122,400——
2012-05-17$35.00$42.20167,900——
2012-05-16$35.50$42.81104,800——
2012-05-15$35.87$43.25116,000——
2012-05-14$37.19$44.8483,200——
2012-05-11$37.95$45.7643,200——
2012-05-10$38.85$46.5696,900——
2012-05-09$39.18$46.95104,000——
2012-05-08$39.76$47.65129,500——
2012-05-07$39.26$47.05173,000——
2012-05-04$39.22$47.00230,200——
2012-05-03$39.83$47.73130,700——
2012-05-02$40.09$48.04115,000——
2012-05-01$39.49$47.32122,700——
2012-04-30$38.88$46.59106,000——
2012-04-27$39.49$47.3276,400——
2012-04-26$38.74$46.4284,400——
2012-04-25$38.42$46.04121,500——
2012-04-24$37.52$44.9697,600——
2012-04-23$36.62$43.88115,700——
2012-04-20$37.68$45.15116,400——
2012-04-19$36.81$44.1197,700——
2012-04-18$36.91$44.2363,400——
2012-04-17$37.44$44.8775,500——
2012-04-16$36.70$43.9875,800——
2012-04-13$36.15$43.3270,200——
2012-04-12$37.72$45.2085,300——
2012-04-11$36.44$43.6790,500——
2012-04-10$35.28$42.28116,800——
2012-04-09$36.82$44.1261,200——
2012-04-05$37.28$44.6792,700——
2012-04-04$37.60$45.06122,100——
2012-04-03$38.72$46.40100,800——
2012-04-02$40.33$48.33152,800——
2012-03-30$38.56$46.21124,200——
2012-03-29$38.47$46.10117,900——
2012-03-28$38.20$45.78109,800——
2012-03-27$38.14$45.7073,700——
2012-03-26$38.43$46.05100,900——
2012-03-23$37.35$44.7678,700——
2012-03-22$36.43$43.6682,900——
2012-03-21$37.65$45.1295,200——
2012-03-20$37.56$45.0161,300——
2012-03-19$38.05$45.60129,300——
2012-03-16$37.41$44.83130,500——
2012-03-15$36.88$44.2049,200——
2012-03-14$36.95$44.2848,500——
2012-03-13$37.41$44.83102,100——
2012-03-12$36.23$43.4261,800——
2012-03-09$36.38$43.60102,200——
2012-03-08$35.87$42.9851,000——
2012-03-07$35.27$42.2779,900——
2012-03-06$35.03$41.98104,000——
2012-03-05$36.08$43.24127,700——
2012-03-02$36.09$43.25128,900——
2012-03-01$37.39$44.81137,000——
2012-02-29$37.63$45.09171,300——
2012-02-28$37.76$45.25135,900——
2012-02-27$37.65$45.12108,600——
2012-02-24$37.74$45.2321,000——
2012-02-23$38.50$45.85100,500——
2012-02-22$38.29$45.60115,200——
2012-02-21$38.21$45.50187,400——
2012-02-17$38.39$45.72137,100——
2012-02-16$37.66$44.85221,200——
2012-02-15$37.84$45.06137,500——
2012-02-14$38.16$45.4493,500——
2012-02-13$38.98$46.4290,000——
2012-02-10$38.64$46.0280,100——
2012-02-09$40.04$47.6863,900——
2012-02-08$40.16$47.83114,300——
2012-02-07$39.63$47.19150,900——
2012-02-06$39.57$47.12101,900——
2012-02-03$39.70$47.28220,700——
2012-02-02$38.97$46.41215,300——
2012-02-01$39.79$47.39253,700——
2012-01-31$37.99$45.24179,900——
2012-01-30$37.88$45.11128,900——
2012-01-27$38.53$45.88109,400——
2012-01-26$38.51$45.8683,400——
2012-01-25$38.73$46.1275,900——
2012-01-24$38.29$45.60152,200——
2012-01-23$36.86$43.9073,700——
2012-01-20$36.85$43.88109,600——
2012-01-19$35.78$42.61158,900——
2012-01-18$35.37$42.12121,700——
2012-01-17$35.02$41.70121,000——
2012-01-13$35.04$41.73115,300——
2012-01-12$35.41$42.17114,400——
2012-01-11$34.89$41.55233,600——
2012-01-10$34.07$40.57270,400——
2012-01-09$32.97$39.26185,000——
2012-01-06$33.27$39.62409,100——
2012-01-05$34.80$41.44124,500——
2012-01-04$35.59$42.3883,600——
2012-01-03$35.77$42.60130,900——