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 — 2015

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2015-12-31$18.25$23.53270,000
2015-12-30$17.74$22.87114,700
2015-12-29$18.43$23.76106,900
2015-12-28$19.19$24.74103,500
2015-12-24$19.36$24.9633,800
2015-12-23$19.31$24.90134,400
2015-12-22$18.73$24.15177,700
2015-12-21$18.57$23.94202,200
2015-12-18$18.30$23.60256,500
2015-12-17$18.41$23.74157,800
2015-12-16$19.33$24.92177,700
2015-12-15$18.89$24.36134,800
2015-12-14$18.18$23.44242,700
2015-12-11$19.19$24.74166,100
2015-12-10$19.25$24.82102,000
2015-12-09$19.28$24.86182,600
2015-12-08$19.50$25.14136,200
2015-12-07$20.19$26.03162,200
2015-12-04$21.28$27.44110,100
2015-12-03$21.41$27.60172,500
2015-12-02$22.08$28.4799,800
2015-12-01$22.41$28.89127,200
2015-11-30$22.83$29.44169,600
2015-11-27$22.34$28.8041,000
2015-11-25$22.48$28.9871,600
2015-11-24$22.43$28.92178,700
2015-11-23$22.34$28.80201,300
2015-11-20$21.97$28.33193,300
2015-11-19$21.71$27.99128,900
2015-11-18$21.95$28.30154,400
2015-11-17$20.74$26.74215,700
2015-11-16$21.41$27.60204,300
2015-11-13$20.94$27.0092,600
2015-11-12$20.53$26.47112,800
2015-11-11$21.52$27.75130,200
2015-11-10$21.58$27.82152,900
2015-11-09$21.44$27.64271,600
2015-11-06$21.38$27.57545,300
2015-11-05$18.78$24.21376,600
2015-11-04$18.96$24.45237,100
2015-11-03$19.35$24.95162,600
2015-11-02$19.64$25.32168,800
2015-10-30$18.96$24.45151,700
2015-10-29$18.98$24.47139,600
2015-10-28$19.34$24.94254,800
2015-10-27$18.72$24.14199,200
2015-10-26$18.98$24.47226,600
2015-10-23$19.13$24.67183,600
2015-10-22$19.13$24.67184,600
2015-10-21$18.87$24.33248,200
2015-10-20$19.23$24.79213,600
2015-10-19$19.33$24.92257,500
2015-10-16$19.97$25.75237,600
2015-10-15$20.49$26.42646,800
2015-10-14$22.30$28.75171,800
2015-10-13$22.10$28.49145,300
2015-10-12$21.89$28.22139,700
2015-10-09$23.37$30.13326,100
2015-10-08$22.25$28.69361,200
2015-10-07$21.55$27.79247,400
2015-10-06$21.63$27.89233,900
2015-10-05$21.50$27.72271,200
2015-10-02$19.60$25.27245,800
2015-10-01$19.69$25.39127,200
2015-09-30$20.17$26.01156,100
2015-09-29$19.41$25.03311,500
2015-09-28$19.60$25.27178,400
2015-09-25$21.50$27.72231,600
2015-09-24$20.75$26.75155,900
2015-09-23$20.89$26.93180,900
2015-09-22$20.90$26.95120,500
2015-09-21$20.91$26.96136,300
2015-09-18$20.98$27.05215,600
2015-09-17$20.81$26.83225,500
2015-09-16$21.14$27.26213,400
2015-09-15$20.90$26.95105,000
2015-09-14$20.97$27.04130,900
2015-09-11$20.94$27.00235,700
2015-09-10$21.32$27.49401,200
2015-09-09$20.42$26.33543,700
2015-09-08$19.25$24.822,258,900
2015-09-04$19.21$24.77121,600
2015-09-03$19.85$25.59114,200
2015-09-02$20.00$25.79115,600
2015-09-01$20.06$25.86362,700
2015-08-31$20.80$26.82168,100
2015-08-28$20.04$25.84180,700
2015-08-27$19.10$24.63131,700
2015-08-26$18.49$23.84295,100
2015-08-25$18.21$23.48127,900
2015-08-24$19.02$24.52160,500
2015-08-21$20.05$25.85107,400
2015-08-20$20.54$26.4884,600
2015-08-19$20.79$26.8173,400
2015-08-18$21.22$27.36122,800
2015-08-17$21.47$27.68103,600
2015-08-14$20.93$26.99153,600
2015-08-13$21.04$27.13141,100
2015-08-12$21.39$27.58148,100
2015-08-11$21.76$28.06224,100
2015-08-10$22.31$28.77431,900
2015-08-07$21.21$27.35246,100
2015-08-06$21.37$27.55646,000
2015-08-05$19.50$25.14186,300
2015-08-04$19.90$25.66145,200
2015-08-03$19.52$25.17136,700
2015-07-31$20.30$26.17144,900
2015-07-30$20.28$26.15218,700
2015-07-29$20.76$26.7776,900
2015-07-28$20.69$26.6887,100
2015-07-27$20.35$26.24106,100
2015-07-24$20.83$26.86135,200
2015-07-23$21.34$27.51101,900
2015-07-22$21.75$28.04104,300
2015-07-21$22.55$29.0792,400
2015-07-20$22.88$29.5094,400
2015-07-17$23.55$30.3671,600
2015-07-16$24.37$31.42127,500
2015-07-15$24.26$31.28149,800
2015-07-14$24.54$31.6468,200
2015-07-13$24.54$31.64119,800
2015-07-10$23.39$30.16126,600
2015-07-09$22.87$29.49176,900
2015-07-08$23.02$29.68191,100
2015-07-07$24.27$31.29208,200
2015-07-06$23.98$30.92219,900
2015-07-02$24.36$31.41123,400
2015-07-01$24.69$31.83201,200
2015-06-30$24.72$31.87136,700
2015-06-29$24.39$31.45176,400
2015-06-26$25.00$32.23264,000
2015-06-25$25.20$32.4975,900
2015-06-24$25.15$32.43107,200
2015-06-23$25.19$32.48197,800
2015-06-22$25.27$32.58139,100
2015-06-19$25.97$33.48200,500
2015-06-18$26.14$33.70112,300
2015-06-17$25.76$33.2173,100
2015-06-16$26.08$33.63104,900
2015-06-15$26.63$34.3485,500
2015-06-12$27.08$34.9288,400
2015-06-11$27.09$34.93134,300
2015-06-10$27.02$34.84114,500
2015-06-09$25.71$33.1566,000
2015-06-08$25.83$33.30113,500
2015-06-05$26.74$34.4874,600
2015-06-04$26.24$33.8380,300
2015-06-03$26.85$34.62178,000
2015-06-02$26.73$34.46257,800
2015-06-01$25.80$33.27143,600
2015-05-29$25.82$33.29219,700
2015-05-28$26.00$33.52600,700
2015-05-27$25.49$32.87184,300
2015-05-26$25.85$33.33369,500
2015-05-22$25.60$33.0174,900
2015-05-21$25.88$33.37122,300
2015-05-20$25.58$32.98128,100
2015-05-19$25.71$33.15166,400
2015-05-18$25.97$33.48153,500
2015-05-15$26.46$34.12147,500
2015-05-14$26.35$33.97273,700
2015-05-13$26.60$34.30192,300
2015-05-12$26.75$34.49392,400
2015-05-11$26.75$34.49431,700
2015-05-08$26.13$33.691,151,900
2015-05-07$23.06$29.73250,200
2015-05-06$23.03$29.69149,100
2015-05-05$23.16$29.86160,400
2015-05-04$23.73$30.60321,600
2015-05-01$22.59$29.13137,800
2015-04-30$22.48$28.98202,400
2015-04-29$22.73$29.31126,300
2015-04-28$23.11$29.80146,800
2015-04-27$22.74$29.32176,600
2015-04-24$22.47$28.97127,400
2015-04-23$22.44$28.93158,900
2015-04-22$22.68$29.24281,400
2015-04-21$22.63$29.18210,200
2015-04-20$22.98$29.63214,200
2015-04-17$22.97$29.62541,000
2015-04-16$22.65$29.20568,300
2015-04-15$20.48$26.41273,400
2015-04-14$19.87$25.62129,500
2015-04-13$19.55$25.21129,000
2015-04-10$19.66$25.35170,100
2015-04-09$19.65$25.34220,300
2015-04-08$19.59$25.26224,400
2015-04-07$20.20$26.04626,300
2015-04-06$19.52$25.17241,000
2015-04-02$19.66$25.35221,600
2015-04-01$19.35$24.95253,900
2015-03-31$19.68$25.37274,400
2015-03-30$19.35$24.95382,700
2015-03-27$18.41$23.74210,000
2015-03-26$18.97$24.46166,200
2015-03-25$19.37$24.97226,400
2015-03-24$19.54$25.19354,300
2015-03-23$20.44$26.35229,800
2015-03-20$20.17$26.01241,400
2015-03-19$19.23$24.79201,200
2015-03-18$18.88$24.34380,800
2015-03-17$18.71$24.12224,200
2015-03-16$18.60$23.98217,500
2015-03-13$19.47$25.10162,900
2015-03-12$18.83$24.28232,100
2015-03-11$18.65$24.05195,100
2015-03-10$18.50$23.85294,500
2015-03-09$18.53$23.89332,700
2015-03-06$18.56$23.93261,600
2015-03-05$18.21$23.48276,300
2015-03-04$17.96$23.16494,800
2015-03-03$17.57$22.65554,200
2015-03-02$16.95$21.85364,100
2015-02-27$16.12$20.78758,900
2015-02-26$18.48$23.83410,100
2015-02-25$18.64$24.03193,400
2015-02-24$18.45$23.79338,300
2015-02-23$19.59$25.26105,400
2015-02-20$19.61$25.28199,900
2015-02-19$20.29$26.16138,400
2015-02-18$21.06$27.1572,000
2015-02-17$21.08$27.18136,100
2015-02-13$21.57$27.81129,200
2015-02-12$20.74$26.74111,200
2015-02-11$20.10$25.9267,200
2015-02-10$19.93$25.70107,000
2015-02-09$20.43$26.3499,500
2015-02-06$20.35$26.24143,300
2015-02-05$19.44$25.06139,900
2015-02-04$18.61$23.99169,200
2015-02-03$19.25$24.82220,100
2015-02-02$18.24$23.52184,800
2015-01-30$18.16$23.41166,600
2015-01-29$18.77$24.20116,700
2015-01-28$19.24$24.81145,600
2015-01-27$19.98$25.76111,300
2015-01-26$20.05$25.85122,700
2015-01-23$19.56$25.22106,300
2015-01-22$20.12$25.94137,300
2015-01-21$20.05$25.85186,800
2015-01-20$20.74$26.74138,500
2015-01-16$21.09$27.19143,500
2015-01-15$20.67$26.65282,900
2015-01-14$21.40$27.59205,600
2015-01-13$22.64$29.19306,600
2015-01-12$23.96$30.89130,000
2015-01-09$24.37$31.42172,200
2015-01-08$26.01$33.54172,200
2015-01-07$25.48$32.85113,600
2015-01-06$25.18$32.47176,100
2015-01-05$25.47$32.84133,300
2015-01-02$26.04$33.57110,300