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 — 2010

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2010-12-31$35.78$41.5858,200
2010-12-30$36.05$41.9064,000
2010-12-29$35.86$41.6839,600
2010-12-28$35.50$41.2653,200
2010-12-27$35.64$41.4258,100
2010-12-23$35.45$41.2060,800
2010-12-22$35.08$40.77132,600
2010-12-21$35.64$41.4279,700
2010-12-20$35.21$40.92115,800
2010-12-17$35.54$41.31217,600
2010-12-16$34.83$40.48138,300
2010-12-15$33.42$38.84365,000
2010-12-14$31.03$36.0695,600
2010-12-13$30.93$35.95125,700
2010-12-10$31.33$36.41128,400
2010-12-09$31.14$36.1988,400
2010-12-08$30.86$35.87174,300
2010-12-07$31.19$36.25186,700
2010-12-06$30.05$34.93226,200
2010-12-03$29.61$34.4197,600
2010-12-02$29.83$34.6797,900
2010-12-01$29.57$34.37121,600
2010-11-30$28.60$33.24104,800
2010-11-29$29.21$33.9592,200
2010-11-26$29.50$34.2934,300
2010-11-24$30.10$34.9875,700
2010-11-23$29.39$34.1672,000
2010-11-22$30.17$35.0694,100
2010-11-19$30.00$34.87106,200
2010-11-18$29.52$34.3150,000
2010-11-17$28.39$33.0058,900
2010-11-16$28.47$33.0954,300
2010-11-15$29.44$34.2234,800
2010-11-12$29.40$34.1779,200
2010-11-11$30.37$35.3043,300
2010-11-10$30.96$35.9864,700
2010-11-09$30.48$35.17113,000
2010-11-08$30.64$35.3572,500
2010-11-05$30.82$35.56119,700
2010-11-04$30.09$34.72128,600
2010-11-03$29.00$33.46200,900
2010-11-02$28.85$33.29201,800
2010-11-01$28.26$32.61124,100
2010-10-29$27.88$32.1788,800
2010-10-28$27.55$31.7969,700
2010-10-27$27.69$31.9567,300
2010-10-26$28.14$32.4735,500
2010-10-25$28.25$32.6090,200
2010-10-22$27.92$32.2250,200
2010-10-21$27.95$32.25100,300
2010-10-20$27.93$32.2397,000
2010-10-19$27.43$31.65152,400
2010-10-18$27.77$32.0445,300
2010-10-15$27.50$31.73128,500
2010-10-14$27.75$32.0259,300
2010-10-13$27.74$32.01191,700
2010-10-12$27.49$31.7259,100
2010-10-11$27.35$31.5653,700
2010-10-08$27.10$31.27164,800
2010-10-07$26.76$30.8855,500
2010-10-06$26.98$31.1369,900
2010-10-05$27.01$31.1799,600
2010-10-04$25.76$29.7290,000
2010-10-01$26.74$30.8570,200
2010-09-30$26.87$31.00108,200
2010-09-29$26.83$30.9691,500
2010-09-28$26.57$30.66108,900
2010-09-27$26.09$30.1070,700
2010-09-24$26.47$30.54167,100
2010-09-23$25.19$29.07255,800
2010-09-22$25.89$29.87120,700
2010-09-21$25.57$29.5090,900
2010-09-20$25.70$29.65190,100
2010-09-17$24.67$28.47169,200
2010-09-16$24.70$28.50140,600
2010-09-15$24.48$28.2564,100
2010-09-14$24.30$28.04113,600
2010-09-13$24.20$27.92145,600
2010-09-10$23.74$27.39126,500
2010-09-09$23.10$26.65119,900
2010-09-08$22.68$26.17113,000
2010-09-07$22.48$25.94244,100
2010-09-03$22.63$26.11168,100
2010-09-02$21.49$24.80129,700
2010-09-01$21.25$24.52217,900
2010-08-31$20.00$23.08114,200
2010-08-30$20.08$23.17131,600
2010-08-27$20.99$24.22190,600
2010-08-26$20.54$23.70135,800
2010-08-25$20.94$24.16156,900
2010-08-24$20.96$24.18161,100
2010-08-23$21.86$25.22204,300
2010-08-20$22.75$26.25180,800
2010-08-19$23.34$26.93200,100
2010-08-18$24.18$27.90132,500
2010-08-17$24.26$27.99137,000
2010-08-16$23.51$27.13158,100
2010-08-13$22.75$26.25116,300
2010-08-12$22.93$26.46146,200
2010-08-11$23.13$26.43184,000
2010-08-10$24.13$27.58168,900
2010-08-09$24.37$27.85104,200
2010-08-06$23.51$26.87138,800
2010-08-05$24.02$27.45334,900
2010-08-04$25.51$29.15128,900
2010-08-03$24.64$28.16135,500
2010-08-02$25.34$28.96108,400
2010-07-30$24.84$28.39104,200
2010-07-29$25.39$29.02163,700
2010-07-28$24.47$27.97124,400
2010-07-27$25.46$29.10110,100
2010-07-26$25.15$28.74143,400
2010-07-23$24.59$28.10134,800
2010-07-22$23.69$27.07171,500
2010-07-21$22.55$25.77248,400
2010-07-20$22.80$26.06148,600
2010-07-19$22.53$25.75108,200
2010-07-16$22.53$25.75339,600
2010-07-15$23.48$26.83183,400
2010-07-14$24.52$28.02185,500
2010-07-13$24.79$28.33246,700
2010-07-12$23.17$26.48196,600
2010-07-09$24.13$27.58147,200
2010-07-08$23.26$26.58222,800
2010-07-07$21.59$24.67299,100
2010-07-06$21.30$24.34242,100
2010-07-02$22.31$25.50152,700
2010-07-01$22.97$26.25130,000
2010-06-30$22.48$25.69127,600
2010-06-29$22.87$26.14137,200
2010-06-28$23.95$27.3795,300
2010-06-25$24.50$28.00422,100
2010-06-24$24.33$27.81128,900
2010-06-23$24.54$28.05112,700
2010-06-22$24.73$28.26122,300
2010-06-21$25.74$29.42140,600
2010-06-18$26.25$30.00137,700
2010-06-17$26.65$30.4663,600
2010-06-16$26.92$30.7784,900
2010-06-15$27.36$31.2783,200
2010-06-14$26.97$30.8278,700
2010-06-11$27.08$30.9594,500
2010-06-10$26.23$29.9877,800
2010-06-09$25.13$28.7281,000
2010-06-08$25.30$28.9187,600
2010-06-07$25.59$29.2566,200
2010-06-04$26.54$30.33181,700
2010-06-03$27.69$31.65129,200
2010-06-02$26.91$30.75138,400
2010-06-01$25.51$29.15127,000
2010-05-28$27.09$30.9670,500
2010-05-27$27.89$31.8776,700
2010-05-26$26.66$30.47133,600
2010-05-25$26.84$30.67173,900
2010-05-24$27.15$31.0392,300
2010-05-21$27.97$31.97212,900
2010-05-20$27.39$31.30218,200
2010-05-19$29.80$34.06116,500
2010-05-18$31.35$35.83134,400
2010-05-17$32.11$36.70202,800
2010-05-14$32.14$36.73186,100
2010-05-13$32.46$37.10161,300
2010-05-12$33.42$37.94167,100
2010-05-11$32.52$36.92171,500
2010-05-10$32.25$36.61246,600
2010-05-07$29.53$33.53295,200
2010-05-06$30.38$34.49511,900
2010-05-05$27.31$31.01107,200
2010-05-04$28.13$31.94167,900
2010-05-03$28.34$32.1888,200
2010-04-30$28.17$31.9875,900
2010-04-29$29.09$33.0388,400
2010-04-28$28.74$32.6360,100
2010-04-27$29.01$32.94159,400
2010-04-26$29.10$33.0471,400
2010-04-23$29.57$33.57150,300
2010-04-22$28.38$32.22108,900
2010-04-21$28.41$32.26106,000
2010-04-20$28.70$32.58207,500
2010-04-19$27.91$31.6962,800
2010-04-16$28.59$32.46322,900
2010-04-15$28.13$31.9468,600
2010-04-14$27.99$31.78110,400
2010-04-13$27.31$31.01313,800
2010-04-12$26.90$30.54262,600
2010-04-09$27.17$30.8593,700
2010-04-08$27.37$31.07251,500
2010-04-07$27.02$30.68270,800
2010-04-06$28.36$32.20111,400
2010-04-05$28.80$32.70180,800
2010-04-01$28.78$32.6884,000
2010-03-31$28.32$32.15131,500
2010-03-30$29.06$32.99112,800
2010-03-29$29.05$32.98244,300
2010-03-26$29.20$33.15271,600
2010-03-25$28.64$32.52176,600
2010-03-24$28.63$32.51203,700
2010-03-23$28.30$32.1386,000
2010-03-22$28.07$31.8763,800
2010-03-19$28.16$31.97184,200
2010-03-18$29.02$32.95152,500
2010-03-17$29.24$33.2089,300
2010-03-16$29.37$33.3596,800
2010-03-15$29.37$33.3591,400
2010-03-12$29.33$33.3053,200
2010-03-11$29.35$33.3250,300
2010-03-10$29.43$33.4176,100
2010-03-09$29.62$33.6370,400
2010-03-08$29.76$33.7960,300
2010-03-05$29.74$33.77150,800
2010-03-04$28.80$32.7052,500
2010-03-03$28.91$32.8262,300
2010-03-02$28.95$32.87109,900
2010-03-01$28.31$32.1490,900
2010-02-26$27.80$31.5686,000
2010-02-25$28.07$31.87206,000
2010-02-24$28.07$31.87106,700
2010-02-23$27.90$31.68303,700
2010-02-22$28.10$31.90137,200
2010-02-19$28.64$32.52204,300
2010-02-18$27.70$31.45244,500
2010-02-17$27.79$31.55343,600
2010-02-16$27.93$31.71121,500
2010-02-12$27.58$31.31118,700
2010-02-11$27.18$30.86127,600
2010-02-10$27.08$30.5051,800
2010-02-09$27.36$30.8186,700
2010-02-08$27.02$30.43101,500
2010-02-05$27.99$31.52116,300
2010-02-04$27.96$31.49163,300
2010-02-03$28.59$32.20102,800
2010-02-02$28.87$32.51153,700
2010-02-01$28.70$32.32564,400
2010-01-29$27.92$31.44232,400
2010-01-28$27.97$31.50164,600
2010-01-27$28.17$31.72231,100
2010-01-26$28.10$31.6464,800
2010-01-25$28.70$32.3282,000
2010-01-22$28.70$32.32116,000
2010-01-21$30.05$33.84211,600
2010-01-20$31.61$35.60115,400
2010-01-19$31.99$36.0294,700
2010-01-15$31.41$35.37171,700
2010-01-14$32.36$36.44104,800
2010-01-13$32.61$36.7272,800
2010-01-12$32.42$36.51200,300
2010-01-11$32.68$36.80169,100
2010-01-08$31.81$35.82146,500
2010-01-07$31.20$35.14172,400
2010-01-06$31.36$35.32311,500
2010-01-05$32.53$36.63211,900
2010-01-04$31.91$35.93125,200