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 — 2019

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2019-12-31$38.22$49.28151,000——
2019-12-30$38.33$49.42158,700——
2019-12-27$38.26$49.33105,000——
2019-12-26$38.93$50.1982,300——
2019-12-24$39.12$50.4470,700——
2019-12-23$39.14$50.47149,200——
2019-12-20$38.72$49.92878,300——
2019-12-19$37.87$48.83147,600——
2019-12-18$37.82$48.76129,200——
2019-12-17$37.59$48.47149,000——
2019-12-16$36.85$47.51276,400——
2019-12-13$37.60$48.48157,100——
2019-12-12$38.61$49.78140,000——
2019-12-11$37.74$48.66194,400——
2019-12-10$37.16$47.91149,200——
2019-12-09$36.86$47.53117,500——
2019-12-06$37.28$48.07206,200——
2019-12-05$37.27$48.05151,100——
2019-12-04$36.48$47.04179,700——
2019-12-03$36.12$46.57161,900——
2019-12-02$36.30$46.80197,700——
2019-11-29$37.05$47.7782,400——
2019-11-27$37.51$48.36139,400——
2019-11-26$37.67$48.57104,100——
2019-11-25$38.46$49.59142,300——
2019-11-22$38.01$49.01121,100——
2019-11-21$38.20$49.25185,900——
2019-11-20$38.53$49.68212,700——
2019-11-19$40.32$51.99115,800——
2019-11-18$40.51$52.23205,900——
2019-11-15$41.67$53.73128,100——
2019-11-14$41.66$53.71185,100——
2019-11-13$42.20$54.41418,800——
2019-11-12$42.38$54.64221,800——
2019-11-11$42.43$54.71303,200——
2019-11-08$43.81$56.49350,900——
2019-11-07$40.71$52.49391,800——
2019-11-06$34.68$44.71183,800——
2019-11-05$35.01$45.14256,400——
2019-11-04$34.53$44.52177,500——
2019-11-01$33.40$43.06123,400——
2019-10-31$32.10$41.39145,100——
2019-10-30$32.18$41.49127,600——
2019-10-29$32.29$41.63156,700——
2019-10-28$31.71$40.89276,400——
2019-10-25$31.14$40.15190,600——
2019-10-24$30.01$38.69126,800——
2019-10-23$30.36$39.14114,100——
2019-10-22$30.31$39.08152,800——
2019-10-21$30.57$39.42116,900——
2019-10-18$29.76$38.37113,900——
2019-10-17$29.99$38.67201,300——
2019-10-16$29.34$37.83209,400——
2019-10-15$28.56$36.82359,600——
2019-10-14$27.91$35.9969,500——
2019-10-11$27.80$35.84107,300——
2019-10-10$26.74$34.4894,600——
2019-10-09$26.81$34.5783,800——
2019-10-08$27.31$35.2167,200——
2019-10-07$28.72$37.03117,800——
2019-10-04$28.60$36.88151,100——
2019-10-03$27.98$36.08113,300——
2019-10-02$28.14$36.2893,200——
2019-10-01$28.06$36.1888,900——
2019-09-30$29.21$37.66136,100——
2019-09-27$29.03$37.4379,900——
2019-09-26$29.35$37.8461,700——
2019-09-25$29.50$38.04110,100——
2019-09-24$29.11$37.53128,000——
2019-09-23$29.65$38.23105,200——
2019-09-20$29.64$38.22227,000——
2019-09-19$30.06$38.76103,800——
2019-09-18$30.12$38.84117,300——
2019-09-17$29.87$38.51102,300——
2019-09-16$29.97$38.64220,800——
2019-09-13$29.84$38.47159,600——
2019-09-12$29.94$38.60140,800——
2019-09-11$30.16$38.89134,000——
2019-09-10$29.22$37.67108,100——
2019-09-09$27.79$35.8382,700——
2019-09-06$26.65$34.3632,000——
2019-09-05$26.93$34.7272,400——
2019-09-04$26.22$33.8162,000——
2019-09-03$25.36$32.7084,100——
2019-08-30$26.51$34.1848,400——
2019-08-29$26.68$34.4040,900——
2019-08-28$25.99$33.5154,300——
2019-08-27$25.62$33.0341,300——
2019-08-26$26.28$33.8838,500——
2019-08-23$25.82$33.2983,100——
2019-08-22$27.17$35.0345,300——
2019-08-21$27.48$35.4360,800——
2019-08-20$27.56$35.5379,300——
2019-08-19$27.95$36.0467,600——
2019-08-16$28.03$36.1457,200——
2019-08-15$27.36$35.2856,000——
2019-08-14$27.68$35.6993,000——
2019-08-13$28.92$37.2968,400——
2019-08-12$28.02$36.1351,300——
2019-08-09$27.86$35.92117,600——
2019-08-08$27.97$36.06150,400——
2019-08-07$23.87$30.78134,400——
2019-08-06$24.90$32.1088,700——
2019-08-05$24.86$32.0571,600——
2019-08-02$25.75$33.2065,300——
2019-08-01$26.50$34.17111,900——
2019-07-31$27.30$35.20160,400——
2019-07-30$27.85$35.91105,300——
2019-07-29$26.93$34.7281,000——
2019-07-26$26.99$34.8080,800——
2019-07-25$26.73$34.4674,300——
2019-07-24$27.41$35.3454,900——
2019-07-23$26.71$34.4461,500——
2019-07-22$26.24$33.8334,200——
2019-07-19$26.39$34.0373,900——
2019-07-18$26.35$33.9752,900——
2019-07-17$26.46$34.1273,700——
2019-07-16$27.30$35.2062,700——
2019-07-15$26.85$34.6289,600——
2019-07-12$27.80$35.8469,600——
2019-07-11$26.97$34.77128,600——
2019-07-10$28.19$36.3582,900——
2019-07-09$28.50$36.7555,400——
2019-07-08$28.90$37.2662,500——
2019-07-05$29.25$37.7156,000——
2019-07-03$29.38$37.8833,500——
2019-07-02$29.17$37.6173,500——
2019-07-01$30.03$38.72231,000——
2019-06-28$29.36$37.86272,200——
2019-06-27$28.09$36.2286,400——
2019-06-26$26.96$34.76129,700——
2019-06-25$26.42$34.06101,000——
2019-06-24$26.93$34.72107,600——
2019-06-21$27.84$35.90134,900——
2019-06-20$28.30$36.4980,500——
2019-06-19$28.81$37.15104,500——
2019-06-18$28.45$36.6890,200——
2019-06-17$27.28$35.1777,900——
2019-06-14$27.15$35.01102,600——
2019-06-13$28.58$36.8583,200——
2019-06-12$28.37$36.5892,200——
2019-06-11$29.34$37.83223,500——
2019-06-10$28.03$36.1492,000——
2019-06-07$28.50$36.7565,200——
2019-06-06$27.83$35.8863,100——
2019-06-05$28.22$36.3970,800——
2019-06-04$28.86$37.2192,000——
2019-06-03$27.35$35.26112,300——
2019-05-31$26.66$34.3786,800——
2019-05-30$27.43$35.37102,200——
2019-05-29$26.93$34.72104,300——
2019-05-28$26.97$34.77110,900——
2019-05-24$26.59$34.2876,500——
2019-05-23$26.46$34.12119,600——
2019-05-22$27.71$35.7378,500——
2019-05-21$28.44$36.6786,100——
2019-05-20$28.12$36.2669,200——
2019-05-17$28.97$37.35113,900——
2019-05-16$29.65$38.23105,400——
2019-05-15$29.73$38.33119,000——
2019-05-14$29.73$38.33200,500——
2019-05-13$29.66$38.24164,800——
2019-05-10$29.72$38.3273,300——
2019-05-09$29.74$38.35102,900——
2019-05-08$29.70$38.29244,500——
2019-05-07$28.43$36.66270,700——
2019-05-06$28.99$37.38170,100——
2019-05-03$29.31$37.79209,700——
2019-05-02$26.68$34.40113,800——
2019-05-01$26.96$34.76201,000——
2019-04-30$26.74$34.4888,100——
2019-04-29$27.18$35.0455,100——
2019-04-26$26.82$34.5864,900——
2019-04-25$26.41$34.0559,700——
2019-04-24$27.38$35.3065,900——
2019-04-23$27.35$35.26107,700——
2019-04-22$26.96$34.7664,200——
2019-04-18$27.51$35.4781,500——
2019-04-17$27.90$35.97113,500——
2019-04-16$27.88$35.9599,000——
2019-04-15$27.64$35.6480,400——
2019-04-12$28.00$36.10121,500——
2019-04-11$27.86$35.9286,400——
2019-04-10$27.35$35.2689,400——
2019-04-09$26.75$34.4971,800——
2019-04-08$27.56$35.5383,100——
2019-04-05$27.46$35.41122,800——
2019-04-04$26.84$34.61145,400——
2019-04-03$26.45$34.1086,200——
2019-04-02$26.42$34.06124,200——
2019-04-01$26.93$34.72219,400——
2019-03-29$25.98$33.50170,600——
2019-03-28$25.91$33.4194,100——
2019-03-27$25.60$33.01109,500——
2019-03-26$25.26$32.57113,500——
2019-03-25$24.73$31.89208,400——
2019-03-22$24.71$31.86233,900——
2019-03-21$26.02$33.55117,800——
2019-03-20$25.54$32.93177,900——
2019-03-19$26.34$33.96183,800——
2019-03-18$26.59$34.28193,500——
2019-03-15$26.06$33.60432,100——
2019-03-14$25.43$32.79248,000——
2019-03-13$25.61$33.02220,300——
2019-03-12$25.77$33.23161,200——
2019-03-11$26.29$33.90220,600——
2019-03-08$25.73$33.17137,900——
2019-03-07$26.43$34.08149,100——
2019-03-06$26.63$34.34393,600——
2019-03-05$26.84$34.61242,100——
2019-03-04$26.55$34.23280,800——
2019-03-01$26.16$33.73347,800——
2019-02-28$24.59$31.71202,400——
2019-02-27$25.11$32.38146,100——
2019-02-26$25.27$32.58128,200——
2019-02-25$25.22$32.52167,600——
2019-02-22$25.10$32.36118,500——
2019-02-21$24.83$32.01142,200——
2019-02-20$25.35$32.68238,300——
2019-02-19$24.56$31.67157,000——
2019-02-15$24.35$31.40160,200——
2019-02-14$23.59$30.42118,600——
2019-02-13$23.85$30.75132,900——
2019-02-12$23.26$29.99128,900——
2019-02-11$22.15$28.56139,800——
2019-02-08$21.54$27.7794,200——
2019-02-07$21.71$27.99166,800——
2019-02-06$22.58$29.11102,500——
2019-02-05$22.96$29.60142,900——
2019-02-04$23.22$29.94154,100——
2019-02-01$22.75$29.33348,000——
2019-01-31$22.79$29.38161,200——
2019-01-30$23.12$29.81210,000——
2019-01-29$23.14$29.84400,500——
2019-01-28$21.77$28.0795,100——
2019-01-25$21.96$28.31284,400——
2019-01-24$21.30$27.4671,800——
2019-01-23$21.12$27.23157,400——
2019-01-22$21.29$27.45182,800——
2019-01-18$21.55$27.79228,900——
2019-01-17$21.13$27.24180,200——
2019-01-16$20.55$26.50150,900——
2019-01-15$20.42$26.33101,200——
2019-01-14$20.68$26.66148,700——
2019-01-11$20.89$26.93160,500——
2019-01-10$20.73$26.73171,200——
2019-01-09$20.05$25.85151,200——
2019-01-08$19.68$25.37204,600——
2019-01-07$20.15$25.98521,000——
2019-01-04$19.64$25.32417,000——
2019-01-03$17.89$23.07243,900——
2019-01-02$18.33$23.63295,800——