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 — 2014

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2014-12-31$25.98$33.50143,100
2014-12-30$25.99$33.51287,200
2014-12-29$26.59$34.2895,300
2014-12-26$25.96$33.4755,200
2014-12-24$25.77$33.2376,500
2014-12-23$26.50$34.17164,400
2014-12-22$25.02$32.26150,300
2014-12-19$25.42$32.78293,500
2014-12-18$24.94$32.16110,000
2014-12-17$24.06$31.02193,900
2014-12-16$23.19$29.90140,800
2014-12-15$22.62$29.17121,700
2014-12-12$23.28$30.02239,100
2014-12-11$23.97$30.91178,600
2014-12-10$24.40$31.46100,000
2014-12-09$26.47$34.13142,300
2014-12-08$26.79$34.54116,100
2014-12-05$27.85$35.91107,500
2014-12-04$27.94$36.02239,400
2014-12-03$27.68$35.69151,500
2014-12-02$27.50$35.46159,800
2014-12-01$27.50$35.46191,700
2014-11-28$29.18$37.62112,200
2014-11-26$29.51$38.05207,100
2014-11-25$29.53$38.0795,000
2014-11-24$29.60$38.16117,700
2014-11-21$29.57$38.13104,800
2014-11-20$29.92$38.5885,900
2014-11-19$30.14$38.86399,500
2014-11-18$29.79$38.4184,200
2014-11-17$29.27$37.74119,200
2014-11-14$29.53$38.0789,400
2014-11-13$29.69$38.28215,500
2014-11-12$31.31$40.05116,700
2014-11-11$30.69$39.25217,600
2014-11-10$31.82$40.70209,300
2014-11-07$32.47$41.53187,300
2014-11-06$32.22$41.21414,800
2014-11-05$37.61$48.11144,200
2014-11-04$38.56$49.3284,200
2014-11-03$39.49$50.51109,500
2014-10-31$39.48$50.50118,600
2014-10-30$38.32$49.0175,600
2014-10-29$37.64$48.1458,800
2014-10-28$37.56$48.0493,300
2014-10-27$35.54$45.4653,200
2014-10-24$35.86$45.8736,100
2014-10-23$35.99$46.0356,000
2014-10-22$35.18$45.0049,700
2014-10-21$36.42$46.5840,100
2014-10-20$36.05$46.1163,200
2014-10-17$35.11$44.91102,500
2014-10-16$36.01$46.0689,600
2014-10-15$36.43$46.60111,300
2014-10-14$35.26$45.10108,600
2014-10-13$33.52$42.87128,100
2014-10-10$32.94$42.13102,800
2014-10-09$33.15$42.40117,800
2014-10-08$33.56$42.92116,200
2014-10-07$32.16$41.1380,600
2014-10-06$32.74$41.88109,200
2014-10-03$32.75$41.8952,500
2014-10-02$33.16$42.4167,100
2014-10-01$32.49$41.5682,600
2014-09-30$33.16$42.41110,400
2014-09-29$34.02$43.5192,500
2014-09-26$34.93$44.6876,700
2014-09-25$35.00$44.7799,500
2014-09-24$35.24$45.0774,600
2014-09-23$35.30$45.15128,700
2014-09-22$35.04$44.82178,500
2014-09-19$35.86$45.87162,400
2014-09-18$35.86$45.8767,400
2014-09-17$35.84$45.8446,500
2014-09-16$36.00$46.0575,300
2014-09-15$36.01$46.0641,200
2014-09-12$36.04$46.1057,800
2014-09-11$36.22$46.3357,300
2014-09-10$36.05$46.1160,600
2014-09-09$35.94$45.9782,300
2014-09-08$35.96$45.9947,100
2014-09-05$35.98$46.0235,700
2014-09-04$36.30$46.4340,600
2014-09-03$36.62$46.84130,200
2014-09-02$36.79$47.0671,300
2014-08-29$37.11$47.4748,700
2014-08-28$36.43$46.6033,400
2014-08-27$36.54$46.7427,600
2014-08-26$36.89$47.1864,800
2014-08-25$36.56$46.7676,500
2014-08-22$36.20$46.3099,100
2014-08-21$35.73$45.7066,800
2014-08-20$35.44$45.3363,700
2014-08-19$35.96$45.9948,300
2014-08-18$36.05$46.1156,600
2014-08-15$35.46$45.3674,900
2014-08-14$35.47$45.3745,700
2014-08-13$35.89$45.5990,700
2014-08-12$35.19$44.70104,900
2014-08-11$35.08$44.56126,300
2014-08-08$35.02$44.48113,400
2014-08-07$35.10$44.58191,500
2014-08-06$37.32$47.4074,800
2014-08-05$36.52$46.3946,800
2014-08-04$36.40$46.2342,400
2014-08-01$36.05$45.7970,000
2014-07-31$36.03$45.76100,900
2014-07-30$37.16$47.2090,800
2014-07-29$36.50$46.3691,400
2014-07-28$36.01$45.7450,500
2014-07-25$35.87$45.5657,300
2014-07-24$35.96$45.6755,200
2014-07-23$36.27$46.0762,300
2014-07-22$36.24$46.0345,500
2014-07-21$35.90$45.6035,800
2014-07-18$36.01$45.7484,800
2014-07-17$35.91$45.6157,900
2014-07-16$36.33$46.1487,400
2014-07-15$37.16$47.2047,500
2014-07-14$37.92$48.1659,100
2014-07-11$37.66$47.8367,200
2014-07-10$37.66$47.8398,900
2014-07-09$38.57$48.9956,100
2014-07-08$38.89$49.4063,300
2014-07-07$38.98$49.5182,000
2014-07-03$39.32$49.9435,600
2014-07-02$38.91$49.4254,300
2014-07-01$39.01$49.5599,200
2014-06-30$38.25$48.5891,300
2014-06-27$38.11$48.41159,700
2014-06-26$37.19$47.2457,800
2014-06-25$37.65$47.8276,000
2014-06-24$37.38$47.48137,800
2014-06-23$38.01$48.28127,100
2014-06-20$38.02$48.29339,400
2014-06-19$37.57$47.7273,100
2014-06-18$37.50$47.6380,600
2014-06-17$36.93$46.9178,100
2014-06-16$36.91$46.8872,800
2014-06-13$37.20$47.2599,600
2014-06-12$36.99$46.9881,100
2014-06-11$37.79$48.0097,500
2014-06-10$37.71$47.9058,700
2014-06-09$37.68$47.8669,000
2014-06-06$37.54$47.6863,800
2014-06-05$37.25$47.3175,800
2014-06-04$36.10$45.8548,200
2014-06-03$36.14$45.9070,700
2014-06-02$36.16$45.9388,000
2014-05-30$36.34$46.1699,500
2014-05-29$36.41$46.25149,100
2014-05-28$36.27$46.07101,200
2014-05-27$36.19$45.97105,800
2014-05-23$36.49$46.35111,000
2014-05-22$36.16$45.9364,900
2014-05-21$36.11$45.8675,000
2014-05-20$36.48$46.33179,700
2014-05-19$37.05$47.06263,200
2014-05-16$37.10$47.1261,900
2014-05-15$37.06$47.0799,100
2014-05-14$37.65$47.50119,800
2014-05-13$38.44$48.50116,800
2014-05-12$38.31$48.34231,900
2014-05-09$37.45$47.25179,500
2014-05-08$37.55$47.38229,800
2014-05-07$37.65$47.50222,100
2014-05-06$36.50$46.05352,400
2014-05-05$39.19$49.45385,800
2014-05-02$42.60$53.7597,600
2014-05-01$42.49$53.6187,900
2014-04-30$42.70$53.8775,500
2014-04-29$42.40$53.5073,800
2014-04-28$42.67$53.8478,900
2014-04-25$43.08$54.3556,100
2014-04-24$44.00$55.5279,100
2014-04-23$44.83$56.5671,900
2014-04-22$45.10$56.90147,100
2014-04-21$45.15$56.9792,700
2014-04-17$44.98$56.7571,400
2014-04-16$45.25$57.09118,000
2014-04-15$43.81$55.28149,600
2014-04-14$43.79$55.25201,200
2014-04-11$39.39$49.7089,100
2014-04-10$39.93$50.3885,300
2014-04-09$40.78$51.4580,000
2014-04-08$40.87$51.5774,700
2014-04-07$40.52$51.12110,100
2014-04-04$40.62$51.2575,300
2014-04-03$41.29$52.1074,100
2014-04-02$41.63$52.5299,500
2014-04-01$41.52$52.39102,500
2014-03-31$41.23$52.02121,300
2014-03-28$40.44$51.0267,800
2014-03-27$40.13$50.6350,300
2014-03-26$40.27$50.8162,300
2014-03-25$41.10$51.8696,000
2014-03-24$41.01$51.7478,200
2014-03-21$41.60$52.49167,000
2014-03-20$41.22$52.0155,700
2014-03-19$41.04$51.78107,100
2014-03-18$42.02$53.0259,300
2014-03-17$41.58$52.46165,500
2014-03-14$41.67$52.58144,900
2014-03-13$40.92$51.63152,400
2014-03-12$41.02$51.76102,300
2014-03-11$41.02$51.76124,900
2014-03-10$40.85$51.5457,100
2014-03-07$40.77$51.4465,500
2014-03-06$40.76$51.4391,100
2014-03-05$40.09$50.58112,600
2014-03-04$40.46$51.05178,600
2014-03-03$39.53$49.88115,300
2014-02-28$39.54$49.89110,300
2014-02-27$39.19$49.4588,600
2014-02-26$38.84$49.0080,300
2014-02-25$38.46$48.53176,400
2014-02-24$38.20$48.20217,900
2014-02-21$37.76$47.64147,500
2014-02-20$37.27$47.02119,800
2014-02-19$37.74$47.62241,900
2014-02-18$37.93$47.86249,700
2014-02-14$36.97$46.65272,700
2014-02-13$37.91$47.83732,700
2014-02-12$37.52$47.02410,700
2014-02-11$38.00$47.63185,800
2014-02-10$37.79$47.36150,800
2014-02-07$38.11$47.76166,000
2014-02-06$38.18$47.85130,600
2014-02-05$38.25$47.9486,600
2014-02-04$38.75$48.57117,500
2014-02-03$38.67$48.47203,000
2014-01-31$39.50$49.51210,900
2014-01-30$39.71$49.77142,100
2014-01-29$39.73$49.79201,900
2014-01-28$40.55$50.82207,100
2014-01-27$40.94$51.31191,400
2014-01-24$42.25$52.9596,700
2014-01-23$43.74$54.82231,300
2014-01-22$44.18$55.3770,600
2014-01-21$44.21$55.4188,000
2014-01-17$43.75$54.8370,300
2014-01-16$44.86$56.2290,400
2014-01-15$44.80$56.1591,600
2014-01-14$44.19$55.3868,000
2014-01-13$44.22$55.42103,300
2014-01-10$44.77$56.11103,300
2014-01-09$44.58$55.87476,400
2014-01-08$44.02$55.17120,900
2014-01-07$44.21$55.41131,700
2014-01-06$44.72$56.05165,200
2014-01-03$45.28$56.7595,300
2014-01-02$45.58$57.13198,300