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 — 2009

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2009-12-31$30.44$34.28135,200
2009-12-30$30.69$34.5685,000
2009-12-29$30.33$34.1648,400
2009-12-28$30.14$33.9473,000
2009-12-24$30.08$33.8719,000
2009-12-23$29.55$33.2865,300
2009-12-22$28.83$32.47123,200
2009-12-21$28.41$31.9994,100
2009-12-18$27.93$31.45149,100
2009-12-17$28.47$32.0681,400
2009-12-16$28.90$32.5455,800
2009-12-15$28.76$32.39131,400
2009-12-14$29.74$33.49118,100
2009-12-11$28.48$32.07268,700
2009-12-10$28.28$31.85174,900
2009-12-09$28.80$32.43126,900
2009-12-08$28.78$32.41200,400
2009-12-07$29.25$32.94152,200
2009-12-04$28.50$32.0973,800
2009-12-03$27.84$31.3569,600
2009-12-02$28.66$32.27128,600
2009-12-01$28.43$32.02110,200
2009-11-30$28.25$31.81140,100
2009-11-27$28.00$31.5349,900
2009-11-25$29.51$33.2346,000
2009-11-24$29.64$33.38114,500
2009-11-23$29.80$33.56182,000
2009-11-20$29.12$32.79174,000
2009-11-19$29.55$33.28157,100
2009-11-18$30.55$34.40104,000
2009-11-17$30.70$34.57119,300
2009-11-16$30.36$34.19151,700
2009-11-13$28.95$32.60109,400
2009-11-12$29.08$32.75169,500
2009-11-11$29.21$32.65124,400
2009-11-10$28.64$32.01148,800
2009-11-09$28.78$32.17257,900
2009-11-06$27.97$31.26159,900
2009-11-05$28.78$32.17204,500
2009-11-04$25.70$28.72192,600
2009-11-03$26.17$29.25214,100
2009-11-02$25.57$28.58197,200
2009-10-30$26.12$29.19123,500
2009-10-29$27.52$30.76226,700
2009-10-28$26.70$29.84134,200
2009-10-27$28.18$31.5090,800
2009-10-26$28.58$31.94128,700
2009-10-23$29.66$33.15148,300
2009-10-22$30.43$34.01136,500
2009-10-21$30.28$33.84176,400
2009-10-20$31.56$35.2769,100
2009-10-19$32.20$35.99165,700
2009-10-16$31.29$34.97267,900
2009-10-15$33.14$37.04110,200
2009-10-14$33.11$37.01193,400
2009-10-13$32.88$36.75108,000
2009-10-12$33.28$37.20227,600
2009-10-09$32.96$36.84269,500
2009-10-08$32.87$36.74240,100
2009-10-07$29.81$33.32108,200
2009-10-06$29.60$33.08147,800
2009-10-05$29.64$33.13101,100
2009-10-02$28.81$32.2079,300
2009-10-01$28.50$31.8591,600
2009-09-30$29.65$33.14108,600
2009-09-29$30.13$33.67195,000
2009-09-28$30.75$34.37123,500
2009-09-25$30.70$34.3156,000
2009-09-24$30.90$34.5468,900
2009-09-23$31.37$35.0678,400
2009-09-22$31.79$35.5394,700
2009-09-21$31.99$35.7583,200
2009-09-18$32.24$36.03151,500
2009-09-17$32.56$36.39280,800
2009-09-16$31.20$34.87320,500
2009-09-15$28.60$31.96295,500
2009-09-14$27.97$31.26156,300
2009-09-11$27.93$31.22123,100
2009-09-10$28.48$31.83233,400
2009-09-09$27.59$30.84125,200
2009-09-08$26.83$29.99127,900
2009-09-04$26.63$29.76163,300
2009-09-03$26.97$30.1486,700
2009-09-02$26.71$29.85118,000
2009-09-01$26.41$29.52197,800
2009-08-31$27.30$30.51114,600
2009-08-28$27.60$30.85136,300
2009-08-27$28.08$31.38142,900
2009-08-26$28.32$31.65163,700
2009-08-25$28.24$31.56150,500
2009-08-24$28.25$31.57109,600
2009-08-21$28.47$31.82271,800
2009-08-20$27.51$30.75160,800
2009-08-19$26.84$30.00152,900
2009-08-18$26.60$29.73168,400
2009-08-17$25.87$28.91153,800
2009-08-14$26.45$29.56122,000
2009-08-13$28.02$31.32144,100
2009-08-12$27.75$30.77172,900
2009-08-11$27.61$30.6198,000
2009-08-10$27.93$30.97105,100
2009-08-07$28.00$31.05164,200
2009-08-06$26.73$29.64203,100
2009-08-05$28.57$31.68168,800
2009-08-04$29.23$32.41154,800
2009-08-03$29.06$32.22159,900
2009-07-31$27.91$30.95133,500
2009-07-30$27.74$30.76367,400
2009-07-29$26.13$28.97254,400
2009-07-28$26.47$29.35142,100
2009-07-27$26.22$29.07107,400
2009-07-24$25.90$28.72131,000
2009-07-23$25.27$28.02158,100
2009-07-22$24.13$26.75104,600
2009-07-21$24.33$26.98163,600
2009-07-20$24.29$26.93122,600
2009-07-17$23.71$26.29154,700
2009-07-16$23.63$26.20112,500
2009-07-15$23.59$26.16259,400
2009-07-14$22.84$25.32275,200
2009-07-13$23.05$25.56192,000
2009-07-10$22.60$25.0693,400
2009-07-09$22.97$25.47138,300
2009-07-08$23.11$25.62185,700
2009-07-07$23.80$26.39134,300
2009-07-06$24.64$27.32210,800
2009-07-02$26.13$28.97177,200
2009-07-01$26.89$29.82232,000
2009-06-30$26.37$29.24107,000
2009-06-29$26.89$29.82139,300
2009-06-26$26.94$29.87506,500
2009-06-25$27.05$29.9971,100
2009-06-24$26.15$28.99128,800
2009-06-23$25.54$28.32108,400
2009-06-22$25.59$28.3794,400
2009-06-19$27.65$30.66200,200
2009-06-18$27.55$30.55128,000
2009-06-17$26.91$29.84139,200
2009-06-16$26.08$28.9279,400
2009-06-15$26.44$29.32119,800
2009-06-12$27.55$30.55166,600
2009-06-11$28.23$31.30184,100
2009-06-10$28.34$31.42223,100
2009-06-09$28.58$31.69140,000
2009-06-08$28.69$31.81172,100
2009-06-05$28.78$31.91139,200
2009-06-04$28.70$31.82192,300
2009-06-03$27.18$30.14194,400
2009-06-02$27.91$30.95230,800
2009-06-01$27.34$30.31246,700
2009-05-29$25.29$28.04164,500
2009-05-28$25.25$28.00132,200
2009-05-27$25.21$27.95102,400
2009-05-26$26.05$28.88186,500
2009-05-22$24.34$26.99246,400
2009-05-21$23.73$26.31187,200
2009-05-20$24.41$27.07230,900
2009-05-19$23.41$25.96346,400
2009-05-18$23.10$25.61303,000
2009-05-15$22.01$24.40190,600
2009-05-14$22.16$24.57509,600
2009-05-13$21.39$23.47438,900
2009-05-12$22.70$24.91390,300
2009-05-11$22.96$25.20514,000
2009-05-08$24.50$26.89373,400
2009-05-07$23.83$26.15570,400
2009-05-06$19.42$21.31193,000
2009-05-05$19.94$21.88278,400
2009-05-04$20.46$22.45234,300
2009-05-01$18.93$20.77176,000
2009-04-30$18.96$20.81170,700
2009-04-29$18.68$20.50212,600
2009-04-28$17.75$19.48198,800
2009-04-27$17.75$19.48266,400
2009-04-24$18.33$20.11215,900
2009-04-23$17.39$19.08252,900
2009-04-22$17.45$19.15263,800
2009-04-21$17.13$18.80357,900
2009-04-20$15.70$17.23203,600
2009-04-17$17.36$19.05307,500
2009-04-16$17.25$18.93201,100
2009-04-15$16.79$18.42146,800
2009-04-14$16.21$17.79263,900
2009-04-13$16.39$17.99291,900
2009-04-09$16.82$18.46276,700
2009-04-08$15.35$16.84229,000
2009-04-07$15.09$16.56232,200
2009-04-06$15.75$17.28266,900
2009-04-03$16.27$17.85320,400
2009-04-02$16.83$18.47398,400
2009-04-01$15.36$16.86214,900
2009-03-31$14.52$15.93268,800
2009-03-30$14.48$15.89326,100
2009-03-27$15.76$17.29370,800
2009-03-26$16.09$17.66247,700
2009-03-25$15.02$16.48564,000
2009-03-24$14.39$15.79374,600
2009-03-23$13.99$15.35322,000
2009-03-20$12.36$13.56426,200
2009-03-19$12.84$14.09394,500
2009-03-18$12.89$14.15350,100
2009-03-17$12.39$13.60477,700
2009-03-16$12.79$14.04378,500
2009-03-13$12.39$13.60369,900
2009-03-12$12.35$13.55497,300
2009-03-11$10.82$11.87786,900
2009-03-10$9.80$10.75565,100
2009-03-09$9.41$10.33299,900
2009-03-06$10.14$11.13221,400
2009-03-05$10.44$11.46338,900
2009-03-04$11.56$12.69392,100
2009-03-03$10.92$11.98608,800
2009-03-02$11.38$12.49578,500
2009-02-27$13.36$14.66414,000
2009-02-26$13.62$14.95325,600
2009-02-25$14.02$15.39352,400
2009-02-24$14.72$16.15451,600
2009-02-23$13.79$15.13373,300
2009-02-20$15.26$16.75402,500
2009-02-19$15.62$17.14283,400
2009-02-18$16.10$17.67417,000
2009-02-17$16.12$17.69573,600
2009-02-13$17.01$18.67195,300
2009-02-12$17.10$18.77273,600
2009-02-11$17.85$19.35242,800
2009-02-10$17.99$19.50365,200
2009-02-09$18.99$20.58385,400
2009-02-06$18.52$20.07341,300
2009-02-05$17.39$18.85255,400
2009-02-04$16.49$17.87292,500
2009-02-03$16.69$18.09332,400
2009-02-02$16.43$17.81321,300
2009-01-30$16.20$17.56329,500
2009-01-29$17.16$18.60310,800
2009-01-28$18.04$19.55438,800
2009-01-27$17.44$18.90320,300
2009-01-26$17.09$18.52298,900
2009-01-23$16.90$18.32375,800
2009-01-22$16.50$17.88626,200
2009-01-21$18.01$19.52378,900
2009-01-20$16.75$18.15396,700
2009-01-16$18.50$20.05390,100
2009-01-15$18.07$19.59470,900
2009-01-14$17.67$19.15294,800
2009-01-13$18.95$20.54213,600
2009-01-12$18.54$20.09262,500
2009-01-09$19.81$21.47332,300
2009-01-08$20.07$21.75320,200
2009-01-07$20.17$21.86407,600
2009-01-06$21.61$23.42446,300
2009-01-05$20.92$22.67576,500
2009-01-02$22.02$23.87388,300