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.

View year

Historical Stock Price — 2011

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2011-12-30$34.36$40.92138,500——
2011-12-29$34.09$40.60110,200——
2011-12-28$33.67$40.1096,500——
2011-12-27$35.15$41.8654,700——
2011-12-23$34.64$41.2572,200——
2011-12-22$34.82$41.4798,500——
2011-12-21$34.13$40.64105,100——
2011-12-20$34.22$40.75131,200——
2011-12-19$31.82$37.8991,900——
2011-12-16$32.78$39.04197,100——
2011-12-15$32.37$38.55126,400——
2011-12-14$31.42$37.42125,600——
2011-12-13$32.42$38.6195,400——
2011-12-12$33.18$39.5189,300——
2011-12-09$34.45$41.0396,200——
2011-12-08$33.45$39.8397,000——
2011-12-07$34.90$41.56108,300——
2011-12-06$34.43$41.0079,400——
2011-12-05$34.65$41.2674,900——
2011-12-02$34.06$40.56127,500——
2011-12-01$33.66$40.08270,400——
2011-11-30$33.03$39.33196,000——
2011-11-29$29.86$35.5672,900——
2011-11-28$29.75$35.43133,800——
2011-11-25$28.45$33.8839,500——
2011-11-23$29.27$34.8685,900——
2011-11-22$30.79$36.6769,800——
2011-11-21$31.48$37.49130,300——
2011-11-18$32.35$38.52115,500——
2011-11-17$32.18$38.32130,900——
2011-11-16$33.22$39.56112,800——
2011-11-15$33.97$40.45136,600——
2011-11-14$34.00$40.4973,300——
2011-11-11$34.92$41.5986,000——
2011-11-10$34.30$40.8558,700——
2011-11-09$33.74$40.1882,600——
2011-11-08$36.19$42.84138,600——
2011-11-07$36.00$42.61110,200——
2011-11-04$36.23$42.88172,000——
2011-11-03$36.18$42.82192,400——
2011-11-02$31.65$37.46174,400——
2011-11-01$31.05$36.75107,700——
2011-10-31$33.09$39.1777,000——
2011-10-28$34.53$40.87106,100——
2011-10-27$34.29$40.59182,000——
2011-10-26$30.47$36.07333,400——
2011-10-25$29.64$35.08115,000——
2011-10-24$31.44$37.21263,900——
2011-10-21$29.85$35.33175,500——
2011-10-20$28.90$34.21137,700——
2011-10-19$29.39$34.7989,500——
2011-10-18$30.23$35.78272,200——
2011-10-17$30.88$36.55150,600——
2011-10-14$31.54$37.33145,300——
2011-10-13$30.93$36.61109,400——
2011-10-12$31.21$36.94205,900——
2011-10-11$30.34$35.91114,000——
2011-10-10$29.95$35.45132,000——
2011-10-07$27.49$32.54143,000——
2011-10-06$29.21$34.57147,000——
2011-10-05$28.13$33.30121,100——
2011-10-04$27.86$32.98277,200——
2011-10-03$25.60$30.30338,600——
2011-09-30$25.61$30.31162,300——
2011-09-29$26.18$30.99145,200——
2011-09-28$25.60$30.30213,100——
2011-09-27$25.86$30.61252,200——
2011-09-26$24.42$28.90184,900——
2011-09-23$24.13$28.56192,400——
2011-09-22$25.03$29.63320,800——
2011-09-21$27.72$32.81232,100——
2011-09-20$28.99$34.31118,100——
2011-09-19$29.50$34.92243,500——
2011-09-16$30.04$35.56149,400——
2011-09-15$30.47$36.0775,900——
2011-09-14$30.25$35.81123,900——
2011-09-13$29.96$35.4667,900——
2011-09-12$29.17$34.53124,400——
2011-09-09$29.21$34.5784,300——
2011-09-08$30.54$36.15114,600——
2011-09-07$31.35$37.11214,300——
2011-09-06$29.40$34.80149,200——
2011-09-02$29.73$35.19246,100——
2011-09-01$32.37$38.31170,900——
2011-08-31$33.23$39.33213,600——
2011-08-30$33.55$39.71240,200——
2011-08-29$32.14$38.0496,100——
2011-08-26$29.90$35.39127,500——
2011-08-25$29.38$34.7881,500——
2011-08-24$29.93$35.43111,000——
2011-08-23$29.49$34.91140,100——
2011-08-22$28.39$33.60121,500——
2011-08-19$28.60$33.85189,200——
2011-08-18$28.68$33.95180,300——
2011-08-17$30.98$36.6788,600——
2011-08-16$30.90$36.57136,800——
2011-08-15$31.90$37.76129,700——
2011-08-12$31.13$36.85179,700——
2011-08-11$30.30$35.86288,700——
2011-08-10$29.39$34.53299,700——
2011-08-09$30.25$35.54311,000——
2011-08-08$29.10$34.19278,000——
2011-08-05$32.95$38.71329,400——
2011-08-04$33.69$39.58255,200——
2011-08-03$35.13$41.27162,500——
2011-08-02$35.44$41.63157,900——
2011-08-01$37.00$43.47150,000——
2011-07-29$37.02$43.4991,600——
2011-07-28$36.80$43.2389,800——
2011-07-27$37.02$43.49161,800——
2011-07-26$37.02$43.4963,700——
2011-07-25$37.01$43.4854,100——
2011-07-22$37.81$44.4247,900——
2011-07-21$38.51$45.2483,900——
2011-07-20$37.31$43.8341,700——
2011-07-19$37.48$44.0369,400——
2011-07-18$36.49$42.8768,000——
2011-07-15$37.00$43.4764,900——
2011-07-14$36.65$43.06108,400——
2011-07-13$37.15$43.6473,900——
2011-07-12$36.75$43.1757,200——
2011-07-11$36.82$43.2677,300——
2011-07-08$38.04$44.6968,800——
2011-07-07$38.76$45.5366,000——
2011-07-06$38.46$45.1896,600——
2011-07-05$38.49$45.2268,400——
2011-07-01$38.41$45.1281,800——
2011-06-30$37.93$44.56101,400——
2011-06-29$36.93$43.3872,700——
2011-06-28$36.30$42.6485,400——
2011-06-27$36.39$42.7597,600——
2011-06-24$36.00$42.29155,500——
2011-06-23$36.50$42.88110,400——
2011-06-22$36.09$42.4079,700——
2011-06-21$35.95$42.23187,900——
2011-06-20$35.55$41.76109,700——
2011-06-17$34.90$41.00151,900——
2011-06-16$36.30$42.64151,600——
2011-06-15$35.86$42.13109,700——
2011-06-14$37.90$44.5280,600——
2011-06-13$36.79$43.22129,800——
2011-06-10$37.03$43.50102,000——
2011-06-09$37.71$44.3085,100——
2011-06-08$36.92$43.3780,000——
2011-06-07$37.69$44.28117,500——
2011-06-06$37.31$43.83119,800——
2011-06-03$37.09$43.57145,100——
2011-06-02$38.85$45.64154,300——
2011-06-01$39.89$46.86412,800——
2011-05-31$40.13$47.14361,000——
2011-05-27$38.80$45.5864,200——
2011-05-26$38.50$45.2354,500——
2011-05-25$37.86$44.4861,300——
2011-05-24$37.19$43.69156,200——
2011-05-23$37.97$44.6160,700——
2011-05-20$39.51$46.4287,700——
2011-05-19$39.24$46.10114,100——
2011-05-18$39.53$46.4492,000——
2011-05-17$39.10$45.9393,900——
2011-05-16$39.90$46.8773,600——
2011-05-13$40.85$47.99115,900——
2011-05-12$41.46$48.7182,600——
2011-05-11$42.05$49.1497,800——
2011-05-10$42.50$49.67116,500——
2011-05-09$41.83$48.8891,000——
2011-05-06$41.16$48.10320,500——
2011-05-05$42.05$49.14137,500——
2011-05-04$43.47$50.80134,000——
2011-05-03$44.09$51.5294,000——
2011-05-02$44.81$52.37110,000——
2011-04-29$45.73$53.4468,000——
2011-04-28$45.11$52.7290,100——
2011-04-27$45.56$53.2484,300——
2011-04-26$45.08$52.68106,500——
2011-04-25$45.26$52.89100,400——
2011-04-21$45.30$52.9466,900——
2011-04-20$45.13$52.7478,500——
2011-04-19$43.91$51.3188,800——
2011-04-18$43.49$50.82135,100——
2011-04-15$44.11$51.5590,000——
2011-04-14$43.38$50.7093,100——
2011-04-13$43.31$50.61103,200——
2011-04-12$43.44$50.77141,400——
2011-04-11$44.21$51.6795,200——
2011-04-08$44.15$51.6089,000——
2011-04-07$44.83$52.39106,100——
2011-04-06$44.41$51.9095,500——
2011-04-05$44.42$51.91118,300——
2011-04-04$43.92$51.33277,300——
2011-04-01$43.45$50.78317,600——
2011-03-31$42.70$49.902,565,300——
2011-03-30$42.29$49.42244,500——
2011-03-29$42.02$49.11176,900——
2011-03-28$41.90$48.97163,900——
2011-03-25$41.99$49.07500,800——
2011-03-24$38.88$45.44143,900——
2011-03-23$38.52$45.0285,600——
2011-03-22$38.24$44.6950,100——
2011-03-21$37.75$44.12109,900——
2011-03-18$37.22$43.50182,800——
2011-03-17$36.72$42.9199,900——
2011-03-16$36.76$42.96150,400——
2011-03-15$37.10$43.3676,900——
2011-03-14$37.35$43.6591,600——
2011-03-11$37.94$44.3458,700——
2011-03-10$37.94$44.34158,800——
2011-03-09$39.25$45.8757,600——
2011-03-08$40.00$46.7568,100——
2011-03-07$39.03$45.6164,700——
2011-03-04$39.49$46.1557,400——
2011-03-03$39.75$46.4552,900——
2011-03-02$38.54$45.04109,400——
2011-03-01$38.37$44.84128,300——
2011-02-28$40.41$47.2250,300——
2011-02-25$40.56$47.4072,400——
2011-02-24$38.69$45.21130,500——
2011-02-23$38.72$45.2587,100——
2011-02-22$40.26$47.05238,800——
2011-02-18$41.49$48.49118,200——
2011-02-17$40.55$47.3974,400——
2011-02-16$40.45$47.27218,600——
2011-02-15$41.39$48.3795,300——
2011-02-14$41.73$48.77125,100——
2011-02-11$40.41$47.22100,800——
2011-02-10$40.13$46.9072,400——
2011-02-09$40.19$46.71112,400——
2011-02-08$39.83$46.2946,600——
2011-02-07$39.52$45.93128,600——
2011-02-04$38.94$45.2692,500——
2011-02-03$39.14$45.4973,200——
2011-02-02$39.15$45.5088,100——
2011-02-01$39.50$45.91121,700——
2011-01-31$38.48$44.7292,900——
2011-01-28$38.25$44.46142,100——
2011-01-27$38.72$45.0068,800——
2011-01-26$38.75$45.0499,100——
2011-01-25$38.23$44.4381,300——
2011-01-24$37.95$44.1160,900——
2011-01-21$37.50$43.5866,200——
2011-01-20$37.40$43.47126,300——
2011-01-19$37.82$43.96130,300——
2011-01-18$38.88$45.19107,500——
2011-01-14$39.59$46.01176,800——
2011-01-13$38.78$45.07193,200——
2011-01-12$38.64$44.91156,600——
2011-01-11$38.05$44.2278,800——
2011-01-10$38.12$44.30113,400——
2011-01-07$37.42$43.49123,500——
2011-01-06$36.57$42.5067,300——
2011-01-05$36.52$42.4453,800——
2011-01-04$35.85$41.67426,500——
2011-01-03$36.39$42.2982,100——