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 — 2008

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2008-12-31$21.62$23.43482,200
2008-12-30$18.99$20.58403,500
2008-12-29$17.51$18.98274,300
2008-12-26$18.19$19.72218,600
2008-12-24$18.45$20.00152,000
2008-12-23$19.00$20.59494,100
2008-12-22$20.81$22.55338,200
2008-12-19$21.71$23.53382,000
2008-12-18$21.31$23.10310,300
2008-12-17$22.26$24.13341,000
2008-12-16$22.01$23.86315,500
2008-12-15$19.88$21.55521,400
2008-12-12$21.99$23.83219,500
2008-12-11$21.04$22.80302,000
2008-12-10$22.23$24.09314,200
2008-12-09$21.18$22.96529,100
2008-12-08$20.59$22.32440,400
2008-12-05$19.25$20.86344,500
2008-12-04$18.57$20.13443,700
2008-12-03$20.17$21.86401,000
2008-12-02$19.91$21.58488,600
2008-12-01$18.25$19.78470,800
2008-11-28$21.42$23.2298,300
2008-11-26$20.72$22.46370,000
2008-11-25$17.45$18.91544,900
2008-11-24$17.34$18.79521,500
2008-11-21$14.07$15.25412,600
2008-11-20$13.80$14.96372,800
2008-11-19$15.19$16.46323,600
2008-11-18$17.05$18.48256,900
2008-11-17$17.05$18.48296,800
2008-11-14$17.97$19.48322,800
2008-11-13$20.07$21.75438,200
2008-11-12$18.70$20.03381,800
2008-11-11$19.58$20.97361,600
2008-11-10$20.83$22.31289,700
2008-11-07$21.03$22.53177,000
2008-11-06$21.05$22.55399,700
2008-11-05$22.72$24.34194,800
2008-11-04$24.84$26.61210,200
2008-11-03$23.58$25.26185,200
2008-10-31$23.79$25.48319,700
2008-10-30$21.61$23.15278,800
2008-10-29$19.73$21.13329,400
2008-10-28$16.99$18.20310,900
2008-10-27$16.89$18.09312,700
2008-10-24$17.54$18.79189,600
2008-10-23$18.73$20.06416,600
2008-10-22$18.97$20.32289,500
2008-10-21$20.78$22.26257,900
2008-10-20$21.71$23.25213,300
2008-10-17$20.52$21.98331,500
2008-10-16$20.74$22.21647,500
2008-10-15$21.18$22.69258,700
2008-10-14$23.37$25.03242,200
2008-10-13$25.59$27.41222,400
2008-10-10$20.04$21.46561,300
2008-10-09$20.49$21.95356,100
2008-10-08$22.06$23.63495,500
2008-10-07$23.31$24.97376,500
2008-10-06$28.05$30.04420,800
2008-10-03$30.53$32.70259,900
2008-10-02$33.10$35.45321,200
2008-10-01$35.44$37.96296,300
2008-09-30$37.41$40.07396,600
2008-09-29$36.27$38.85278,500
2008-09-26$41.34$44.28219,500
2008-09-25$42.55$45.58178,800
2008-09-24$43.81$46.92209,400
2008-09-23$44.46$47.62189,500
2008-09-22$45.04$48.24275,800
2008-09-19$46.53$49.84547,300
2008-09-18$41.42$44.37441,300
2008-09-17$40.36$43.23435,600
2008-09-16$44.50$47.66243,000
2008-09-15$43.38$46.46272,100
2008-09-12$45.71$48.96207,800
2008-09-11$44.31$47.46451,700
2008-09-10$40.82$43.72375,500
2008-09-09$41.03$43.95518,300
2008-09-08$43.13$46.20185,500
2008-09-05$43.38$46.46180,700
2008-09-04$42.99$46.05260,100
2008-09-03$43.96$47.09190,600
2008-09-02$44.25$47.40225,200
2008-08-29$45.81$49.07102,200
2008-08-28$46.98$50.32151,300
2008-08-27$46.06$49.33138,200
2008-08-26$45.11$48.32156,400
2008-08-25$44.18$47.32131,700
2008-08-22$45.92$49.18126,800
2008-08-21$45.78$49.04138,200
2008-08-20$46.37$49.67293,400
2008-08-19$44.71$47.89143,500
2008-08-18$45.25$48.47182,100
2008-08-15$46.87$50.20174,700
2008-08-14$47.95$51.36161,700
2008-08-13$48.24$51.43229,800
2008-08-12$47.95$51.13228,200
2008-08-11$48.37$51.57233,000
2008-08-08$46.37$49.44338,000
2008-08-07$45.14$48.13513,800
2008-08-06$44.45$47.39363,400
2008-08-05$44.03$46.95208,300
2008-08-04$42.75$45.58211,800
2008-08-01$43.66$46.55260,600
2008-07-31$43.21$46.07122,400
2008-07-30$43.62$46.51173,100
2008-07-29$43.33$46.20143,000
2008-07-28$41.36$44.1073,400
2008-07-25$41.69$44.45147,900
2008-07-24$41.21$43.94170,700
2008-07-23$42.21$45.01219,100
2008-07-22$41.64$44.40197,800
2008-07-21$42.33$45.13155,200
2008-07-18$41.93$44.71132,400
2008-07-17$41.67$44.43171,700
2008-07-16$42.47$45.28139,700
2008-07-15$40.95$43.66241,500
2008-07-14$41.72$44.48198,800
2008-07-11$42.10$44.89280,800
2008-07-10$43.23$46.09244,400
2008-07-09$41.62$44.38275,500
2008-07-08$41.05$43.77250,300
2008-07-07$40.29$42.96215,100
2008-07-03$40.84$43.54231,900
2008-07-02$41.09$43.81257,400
2008-07-01$42.72$45.55267,200
2008-06-30$41.87$44.64447,900
2008-06-27$41.56$44.311,046,300
2008-06-26$40.02$42.67637,400
2008-06-25$42.88$45.72300,300
2008-06-24$43.01$45.86183,900
2008-06-23$44.10$47.02244,200
2008-06-20$44.25$47.18485,300
2008-06-19$45.77$48.80264,800
2008-06-18$44.72$47.68145,800
2008-06-17$45.37$48.37152,300
2008-06-16$45.17$48.16484,200
2008-06-13$47.91$51.08279,700
2008-06-12$46.68$49.77392,200
2008-06-11$47.64$50.79254,100
2008-06-10$47.87$51.04209,100
2008-06-09$48.57$51.79346,300
2008-06-06$47.63$50.78290,700
2008-06-05$49.05$52.30340,800
2008-06-04$48.12$51.31699,700
2008-06-03$43.13$45.99216,200
2008-06-02$43.12$45.98227,400
2008-05-30$43.18$46.04266,800
2008-05-29$42.40$45.21311,400
2008-05-28$43.00$45.85329,300
2008-05-27$42.91$45.75287,700
2008-05-23$44.99$47.97251,400
2008-05-22$44.62$47.57250,300
2008-05-21$43.46$46.34413,000
2008-05-20$46.24$49.30214,600
2008-05-19$46.84$49.94267,800
2008-05-16$48.93$52.17320,400
2008-05-15$47.51$50.66323,000
2008-05-14$48.63$51.62215,900
2008-05-13$48.13$51.08251,300
2008-05-12$48.60$51.58333,100
2008-05-09$48.55$51.53379,100
2008-05-08$48.86$51.86892,700
2008-05-07$50.09$53.17299,100
2008-05-06$49.93$53.00418,700
2008-05-05$47.88$50.82242,600
2008-05-02$47.95$50.89212,900
2008-05-01$47.41$50.32284,300
2008-04-30$48.44$51.41248,900
2008-04-29$46.59$49.45183,500
2008-04-28$48.87$51.87210,700
2008-04-25$48.34$51.31211,200
2008-04-24$48.22$51.18450,000
2008-04-23$47.97$50.92224,000
2008-04-22$47.65$50.58397,500
2008-04-21$49.83$52.89232,100
2008-04-18$50.09$53.17284,400
2008-04-17$48.93$51.93159,400
2008-04-16$49.70$52.75396,000
2008-04-15$47.21$50.11287,900
2008-04-14$47.00$49.89312,600
2008-04-11$45.88$48.70270,100
2008-04-10$45.99$48.81438,100
2008-04-09$45.49$48.28344,100
2008-04-08$46.91$49.79479,200
2008-04-07$45.79$48.60314,300
2008-04-04$45.00$47.76317,400
2008-04-03$43.99$46.69221,700
2008-04-02$44.09$46.80209,900
2008-04-01$44.30$47.02283,000
2008-03-31$44.31$47.03189,100
2008-03-28$43.88$46.57248,900
2008-03-27$43.99$46.69160,900
2008-03-26$44.56$47.30164,100
2008-03-25$44.64$47.38232,000
2008-03-24$44.74$47.49275,400
2008-03-20$43.97$46.67458,300
2008-03-19$41.13$43.66276,400
2008-03-18$44.87$47.62451,700
2008-03-17$42.18$44.77260,900
2008-03-14$42.70$45.32136,600
2008-03-13$43.80$46.49271,500
2008-03-12$43.52$46.19241,400
2008-03-11$42.02$44.60196,900
2008-03-10$40.32$42.80176,400
2008-03-07$42.06$44.64162,200
2008-03-06$41.95$44.53172,500
2008-03-05$42.93$45.57365,700
2008-03-04$42.50$45.11312,600
2008-03-03$42.84$45.47341,500
2008-02-29$41.77$44.33309,700
2008-02-28$41.17$43.70199,500
2008-02-27$41.41$43.95440,900
2008-02-26$41.02$43.54352,000
2008-02-25$39.99$42.45532,000
2008-02-22$40.03$42.49442,900
2008-02-21$41.16$43.69331,700
2008-02-20$41.18$43.71710,600
2008-02-19$37.02$39.29271,300
2008-02-15$35.84$38.04158,100
2008-02-14$36.50$38.74290,800
2008-02-13$35.32$37.49169,900
2008-02-12$33.58$35.41210,300
2008-02-11$33.10$34.90204,400
2008-02-08$33.38$35.20107,400
2008-02-07$34.04$35.89128,100
2008-02-06$33.60$35.43146,500
2008-02-05$34.00$35.85147,000
2008-02-04$34.74$36.63165,400
2008-02-01$34.70$36.59191,700
2008-01-31$33.46$35.28237,800
2008-01-30$32.75$34.53188,900
2008-01-29$32.90$34.69189,300
2008-01-28$33.36$35.18211,200
2008-01-25$32.08$33.83206,300
2008-01-24$32.29$34.05343,400
2008-01-23$32.05$33.79356,200
2008-01-22$33.66$35.49338,600
2008-01-18$36.17$38.14332,800
2008-01-17$36.04$38.00168,000
2008-01-16$36.69$38.69233,200
2008-01-15$38.57$40.67173,100
2008-01-14$39.67$41.83116,600
2008-01-11$39.25$41.39133,600
2008-01-10$40.45$42.65186,900
2008-01-09$40.27$42.46227,900
2008-01-08$40.94$43.17201,500
2008-01-07$42.37$44.68191,400
2008-01-04$42.68$45.00176,500
2008-01-03$43.51$45.88179,100
2008-01-02$43.50$45.87199,700