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 — 2024

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2024-12-31$32.40$42.64101,900
2024-12-30$31.95$42.0593,400
2024-12-27$31.94$42.04147,100
2024-12-26$32.25$42.4483,900
2024-12-24$31.75$41.7973,700
2024-12-23$31.73$41.76141,800
2024-12-20$31.01$40.811,021,600
2024-12-19$31.35$41.26195,800
2024-12-18$31.31$41.21202,800
2024-12-17$31.72$41.75138,900
2024-12-16$32.81$43.18145,700
2024-12-13$33.81$44.5075,700
2024-12-12$33.78$44.46137,800
2024-12-11$34.61$45.55111,100
2024-12-10$35.07$46.16132,300
2024-12-09$34.95$46.00143,000
2024-12-06$35.97$47.34124,800
2024-12-05$36.20$47.64105,900
2024-12-04$37.29$49.08125,800
2024-12-03$38.00$50.01133,200
2024-12-02$39.23$51.6376,500
2024-11-29$38.46$50.6264,400
2024-11-27$38.43$50.4960,500
2024-11-26$38.29$50.3070,400
2024-11-25$39.02$51.26137,700
2024-11-22$38.24$50.24128,600
2024-11-21$37.78$49.63127,800
2024-11-20$37.54$49.32243,500
2024-11-19$37.37$49.09121,900
2024-11-18$38.71$50.85180,500
2024-11-15$36.46$47.90113,200
2024-11-14$37.56$49.34142,100
2024-11-13$37.92$49.82187,100
2024-11-12$38.03$49.96130,900
2024-11-11$37.76$49.6197,500
2024-11-08$37.22$48.90179,200
2024-11-07$38.03$49.96119,800
2024-11-06$38.98$51.21171,800
2024-11-05$35.12$46.14103,500
2024-11-04$34.62$45.48102,500
2024-11-01$34.21$44.9483,600
2024-10-31$34.01$44.6878,200
2024-10-30$34.30$45.0671,100
2024-10-29$34.38$45.1676,900
2024-10-28$34.81$45.7377,900
2024-10-25$34.33$45.1058,800
2024-10-24$34.75$45.65131,600
2024-10-23$34.77$45.6879,300
2024-10-22$35.70$46.9063,200
2024-10-21$36.04$47.3584,300
2024-10-18$37.03$48.6580,900
2024-10-17$37.85$49.7267,900
2024-10-16$37.47$49.2275,200
2024-10-15$36.91$48.4993,800
2024-10-14$36.90$48.4844,100
2024-10-11$37.03$48.6581,600
2024-10-10$36.57$48.0481,000
2024-10-09$36.52$47.9869,400
2024-10-08$36.31$47.7065,200
2024-10-07$36.75$48.28253,000
2024-10-04$36.59$48.07137,100
2024-10-03$35.22$46.27127,600
2024-10-02$35.70$46.90107,400
2024-10-01$36.73$48.25165,400
2024-09-30$36.53$47.99126,300
2024-09-27$37.01$48.6291,800
2024-09-26$37.03$48.65111,800
2024-09-25$36.28$47.66121,700
2024-09-24$37.13$48.78138,900
2024-09-23$36.46$47.90106,100
2024-09-20$36.51$47.96636,100
2024-09-19$37.42$49.16156,000
2024-09-18$36.87$48.44130,200
2024-09-17$37.06$48.69134,400
2024-09-16$36.88$48.45101,400
2024-09-13$37.06$48.69120,200
2024-09-12$36.66$48.16116,600
2024-09-11$35.92$47.19142,700
2024-09-10$36.45$47.88188,400
2024-09-09$36.03$47.33129,900
2024-09-06$36.62$48.11103,200
2024-09-05$37.18$48.84263,500
2024-09-04$38.06$50.00226,500
2024-09-03$38.60$50.71150,100
2024-08-30$39.58$52.00183,000
2024-08-29$38.98$51.12186,800
2024-08-28$38.72$50.77102,000
2024-08-27$38.95$51.08140,100
2024-08-26$39.45$51.73118,100
2024-08-23$39.12$51.30218,500
2024-08-22$37.64$49.36305,900
2024-08-21$37.71$49.45115,800
2024-08-20$37.53$49.21139,500
2024-08-19$37.60$49.3194,200
2024-08-16$37.49$49.1693,700
2024-08-15$37.50$49.17155,200
2024-08-14$36.88$48.36171,500
2024-08-13$36.77$48.22313,100
2024-08-12$35.44$46.47260,900
2024-08-09$34.95$45.83304,900
2024-08-08$35.56$46.63390,100
2024-08-07$35.31$46.30171,700
2024-08-06$35.32$46.32162,600
2024-08-05$34.33$45.02111,400
2024-08-02$36.47$47.8294,800
2024-08-01$38.41$50.37134,300
2024-07-31$40.71$53.38142,200
2024-07-30$39.79$52.18118,300
2024-07-29$39.82$52.22126,100
2024-07-26$39.80$52.1979,800
2024-07-25$39.58$51.90121,400
2024-07-24$38.65$50.68211,500
2024-07-23$39.25$51.47151,300
2024-07-22$38.97$51.10161,000
2024-07-19$38.77$50.84155,900
2024-07-18$38.91$51.02174,800
2024-07-17$39.07$51.23184,500
2024-07-16$38.37$50.32195,900
2024-07-15$37.09$48.64217,000
2024-07-12$36.39$47.72139,700
2024-07-11$36.29$47.59137,400
2024-07-10$34.73$45.54130,000
2024-07-09$34.43$45.15109,600
2024-07-08$35.29$46.28202,400
2024-07-05$35.22$46.19116,600
2024-07-03$36.77$48.2296,700
2024-07-02$36.88$48.36163,700
2024-07-01$36.16$47.42169,900
2024-06-28$36.99$48.51361,600
2024-06-27$37.21$48.79107,000
2024-06-26$37.73$49.48258,700
2024-06-25$37.59$49.29108,700
2024-06-24$38.67$50.7198,000
2024-06-21$38.50$50.49399,800
2024-06-20$38.87$50.97101,300
2024-06-18$39.40$51.67200,900
2024-06-17$39.41$51.68168,000
2024-06-14$39.13$51.31130,300
2024-06-13$40.27$52.81145,400
2024-06-12$41.05$53.83124,400
2024-06-11$41.17$53.99128,900
2024-06-10$41.65$54.62110,800
2024-06-07$41.58$54.53149,000
2024-06-06$42.70$55.99108,300
2024-06-05$44.35$58.16297,300
2024-06-04$43.22$56.68197,700
2024-06-03$44.38$58.20224,600
2024-05-31$44.33$58.13170,300
2024-05-30$43.22$56.68125,700
2024-05-29$42.27$55.43166,200
2024-05-28$41.94$55.00197,000
2024-05-24$42.87$56.2265,800
2024-05-23$43.22$56.68133,300
2024-05-22$43.96$57.55162,500
2024-05-21$44.11$57.75158,800
2024-05-20$43.56$57.03144,600
2024-05-17$43.27$56.65108,700
2024-05-16$44.95$58.85345,400
2024-05-15$44.56$58.34246,500
2024-05-14$43.19$56.55303,200
2024-05-13$43.35$56.76160,500
2024-05-10$43.65$57.15343,000
2024-05-09$43.50$56.95260,200
2024-05-08$44.62$58.42190,600
2024-05-07$44.40$58.13246,500
2024-05-06$43.12$56.45185,500
2024-05-03$43.97$57.57328,300
2024-05-02$52.91$69.27109,600
2024-05-01$52.35$68.54116,400
2024-04-30$51.28$67.14133,900
2024-04-29$53.47$70.0160,700
2024-04-26$52.73$69.0476,700
2024-04-25$53.54$70.10154,600
2024-04-24$53.23$69.69108,800
2024-04-23$53.50$70.0482,600
2024-04-22$52.97$69.3596,500
2024-04-19$53.28$69.76127,600
2024-04-18$53.15$69.59101,600
2024-04-17$53.52$70.0796,000
2024-04-16$55.43$72.57123,400
2024-04-15$55.70$72.92144,900
2024-04-12$55.05$72.0796,100
2024-04-11$56.21$73.5976,100
2024-04-10$55.50$72.66169,700
2024-04-09$55.81$73.0763,500
2024-04-08$55.61$72.81145,600
2024-04-05$56.06$73.40159,500
2024-04-04$55.06$72.09124,300
2024-04-03$56.01$73.33117,500
2024-04-02$54.43$71.2693,900
2024-04-01$54.79$71.73105,000
2024-03-28$55.17$72.23110,400
2024-03-27$54.70$71.6269,400
2024-03-26$54.27$71.0587,900
2024-03-25$54.30$71.0983,400
2024-03-22$54.16$70.9173,500
2024-03-21$54.34$71.14151,300
2024-03-20$54.60$71.4885,000
2024-03-19$53.07$69.4865,200
2024-03-18$52.68$68.97113,200
2024-03-15$52.93$69.30454,200
2024-03-14$52.67$68.9687,900
2024-03-13$53.43$69.95136,700
2024-03-12$53.10$69.52182,800
2024-03-11$53.24$69.70120,300
2024-03-08$52.80$69.13113,300
2024-03-07$52.62$68.89142,600
2024-03-06$53.19$69.55108,500
2024-03-05$53.48$69.93168,900
2024-03-04$53.02$69.32147,300
2024-03-01$52.97$69.26239,200
2024-02-29$56.62$74.03255,400
2024-02-28$57.07$74.62229,000
2024-02-27$53.02$69.32125,400
2024-02-26$52.29$68.37109,200
2024-02-23$52.11$68.1497,800
2024-02-22$52.16$68.20153,200
2024-02-21$51.56$67.42118,900
2024-02-20$50.14$65.5674,600
2024-02-16$51.07$66.7866,700
2024-02-15$52.25$68.32116,200
2024-02-14$51.25$67.01121,000
2024-02-13$49.14$64.25121,000
2024-02-12$52.13$68.16111,900
2024-02-09$51.19$66.93102,800
2024-02-08$50.95$66.6281,400
2024-02-07$50.60$66.1671,400
2024-02-06$50.58$66.1370,200
2024-02-05$50.28$65.7477,500
2024-02-02$51.47$67.3083,600
2024-02-01$52.66$68.85111,000
2024-01-31$51.14$66.87129,300
2024-01-30$52.09$68.1181,700
2024-01-29$51.61$67.48107,900
2024-01-26$51.54$67.3956,800
2024-01-25$51.96$67.94115,900
2024-01-24$51.45$67.27136,900
2024-01-23$50.65$66.23110,300
2024-01-22$50.47$65.9998,600
2024-01-19$49.66$64.93108,400
2024-01-18$49.27$64.42238,600
2024-01-17$49.39$64.58165,200
2024-01-16$49.75$65.05155,900
2024-01-12$49.61$64.87108,800
2024-01-11$49.45$64.66225,300
2024-01-10$48.95$64.00165,600
2024-01-09$48.52$63.44150,800
2024-01-08$48.56$63.49152,400
2024-01-05$47.32$61.87160,100
2024-01-04$46.68$61.04154,700
2024-01-03$46.46$60.75227,600
2024-01-02$50.47$65.99157,100