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.

View year

Historical Stock Price — 2017

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2017-12-29$50.90$65.63176,000
2017-12-28$50.80$65.5063,700
2017-12-27$50.55$65.1859,300
2017-12-26$51.45$66.34177,800
2017-12-22$50.35$64.9252,300
2017-12-21$51.30$66.1497,000
2017-12-20$51.00$65.7692,000
2017-12-19$50.30$64.85135,900
2017-12-18$50.40$64.98132,900
2017-12-15$48.80$62.92390,900
2017-12-14$47.20$60.86165,200
2017-12-13$48.60$62.66123,200
2017-12-12$48.50$62.53112,400
2017-12-11$48.70$62.7996,800
2017-12-08$48.55$62.6081,200
2017-12-07$49.50$63.8283,500
2017-12-06$49.00$63.18178,000
2017-12-05$49.70$64.0896,800
2017-12-04$50.15$64.66158,100
2017-12-01$50.40$64.98163,100
2017-11-30$49.90$64.34162,400
2017-11-29$49.75$64.1585,400
2017-11-28$49.85$64.27135,800
2017-11-27$48.50$62.53186,600
2017-11-24$48.70$62.7962,400
2017-11-22$48.50$62.5373,500
2017-11-21$49.45$63.76170,500
2017-11-20$47.80$61.63261,100
2017-11-17$47.25$60.92111,000
2017-11-16$47.90$61.76114,500
2017-11-15$46.40$59.83258,500
2017-11-14$46.95$60.53127,600
2017-11-13$47.10$60.73166,600
2017-11-10$47.60$61.37188,200
2017-11-09$50.35$64.92320,200
2017-11-08$46.70$60.21119,100
2017-11-07$46.75$60.28109,200
2017-11-06$47.75$61.5773,500
2017-11-03$47.80$61.6396,200
2017-11-02$47.90$61.76134,600
2017-11-01$48.20$62.1575,900
2017-10-31$48.55$62.60133,900
2017-10-30$48.05$61.9591,300
2017-10-27$48.70$62.7976,400
2017-10-26$48.85$62.98103,100
2017-10-25$49.30$63.56116,800
2017-10-24$49.05$63.24138,200
2017-10-23$48.70$62.79129,900
2017-10-20$48.75$62.86163,900
2017-10-19$48.40$62.4081,400
2017-10-18$47.85$61.70120,200
2017-10-17$48.25$62.2164,000
2017-10-16$48.95$63.1174,600
2017-10-13$48.90$63.05157,900
2017-10-12$49.25$63.50209,500
2017-10-11$48.80$62.92168,700
2017-10-10$47.50$61.2471,000
2017-10-09$47.30$60.99138,400
2017-10-06$47.85$61.70243,700
2017-10-05$47.70$61.50138,300
2017-10-04$47.60$61.37103,400
2017-10-03$47.75$61.57162,200
2017-10-02$46.95$60.53247,100
2017-09-29$46.15$59.50171,300
2017-09-28$45.95$59.2599,900
2017-09-27$44.50$57.38208,500
2017-09-26$44.40$57.25115,200
2017-09-25$43.85$56.54170,500
2017-09-22$43.10$55.57116,500
2017-09-21$42.65$54.9955,200
2017-09-20$42.05$54.22119,000
2017-09-19$42.45$54.73231,900
2017-09-18$42.05$54.22119,700
2017-09-15$40.70$52.48250,500
2017-09-14$40.60$52.3589,700
2017-09-13$39.50$50.9366,600
2017-09-12$39.25$50.6163,600
2017-09-11$39.40$50.8047,700
2017-09-08$38.85$50.0988,800
2017-09-07$38.65$49.8351,500
2017-09-06$38.55$49.7060,000
2017-09-05$38.45$49.5881,500
2017-09-01$40.30$51.9697,800
2017-08-31$39.20$50.54110,500
2017-08-30$38.70$49.9066,600
2017-08-29$38.60$49.7785,300
2017-08-28$38.25$49.3262,500
2017-08-25$38.10$49.1242,400
2017-08-24$37.90$48.8746,200
2017-08-23$38.05$49.0649,400
2017-08-22$38.10$49.1251,400
2017-08-21$37.55$48.4161,000
2017-08-18$38.05$49.0695,400
2017-08-17$38.05$49.06117,100
2017-08-16$39.10$50.4161,000
2017-08-15$39.00$50.2859,100
2017-08-14$39.00$50.2878,600
2017-08-11$38.75$49.9676,300
2017-08-10$39.20$50.5470,600
2017-08-09$39.30$50.67164,900
2017-08-08$38.85$50.0992,600
2017-08-07$39.45$50.86141,500
2017-08-04$39.55$50.99232,700
2017-08-03$37.75$48.67321,100
2017-08-02$35.80$46.1696,300
2017-08-01$36.50$47.0660,700
2017-07-31$36.30$46.8056,900
2017-07-28$36.65$47.2558,900
2017-07-27$36.55$47.1366,600
2017-07-26$36.85$47.5148,700
2017-07-25$37.60$48.4856,000
2017-07-24$37.10$47.8364,200
2017-07-21$37.20$47.9684,200
2017-07-20$37.95$48.9352,300
2017-07-19$37.80$48.74103,100
2017-07-18$37.55$48.4188,400
2017-07-17$37.55$48.41147,500
2017-07-14$36.55$47.1360,900
2017-07-13$36.50$47.0668,300
2017-07-12$36.75$47.38107,400
2017-07-11$35.90$46.2997,600
2017-07-10$35.60$45.90140,600
2017-07-07$36.00$46.42138,900
2017-07-06$35.70$46.0387,800
2017-07-05$36.00$46.4275,400
2017-07-03$36.70$47.3241,500
2017-06-30$36.15$46.61111,500
2017-06-29$36.60$47.1987,800
2017-06-28$36.65$47.25232,800
2017-06-27$34.00$43.84110,700
2017-06-26$34.70$44.7460,900
2017-06-23$34.55$44.55287,100
2017-06-22$35.10$45.2682,400
2017-06-21$34.85$44.93152,400
2017-06-20$35.15$45.32130,800
2017-06-19$35.25$45.45115,600
2017-06-16$34.45$44.42172,500
2017-06-15$34.75$44.8073,600
2017-06-14$35.55$45.8459,300
2017-06-13$36.45$47.0049,700
2017-06-12$36.20$46.6775,300
2017-06-09$36.40$46.93100,600
2017-06-08$35.75$46.0983,800
2017-06-07$35.15$45.3297,600
2017-06-06$35.20$45.39109,000
2017-06-05$35.05$45.1988,500
2017-06-02$35.60$45.9089,900
2017-06-01$35.65$45.97150,600
2017-05-31$36.05$46.48305,200
2017-05-30$37.45$48.29125,900
2017-05-26$37.40$48.2255,700
2017-05-25$37.35$48.1692,600
2017-05-24$37.70$48.61133,500
2017-05-23$37.75$48.6777,400
2017-05-22$37.30$48.0994,500
2017-05-19$37.55$48.4190,200
2017-05-18$37.00$47.71132,500
2017-05-17$38.00$49.00185,500
2017-05-16$39.25$50.61125,000
2017-05-15$39.00$50.28131,300
2017-05-12$37.75$48.67106,500
2017-05-11$37.95$48.9398,600
2017-05-10$38.90$50.16161,000
2017-05-09$38.10$49.12178,600
2017-05-08$38.90$50.16360,300
2017-05-05$42.75$55.12248,800
2017-05-04$40.65$52.41126,800
2017-05-03$40.70$52.4887,500
2017-05-02$41.50$53.51108,400
2017-05-01$42.15$54.35122,400
2017-04-28$42.45$54.73128,300
2017-04-27$43.50$56.0970,500
2017-04-26$43.40$55.96128,200
2017-04-25$42.85$55.2594,100
2017-04-24$42.35$54.6093,500
2017-04-21$41.25$53.19101,500
2017-04-20$41.10$52.9992,300
2017-04-19$40.10$51.7072,700
2017-04-18$40.25$51.90168,200
2017-04-17$40.00$51.57163,000
2017-04-13$40.40$52.0994,800
2017-04-12$41.05$52.9388,600
2017-04-11$43.15$55.6472,300
2017-04-10$42.60$54.9382,000
2017-04-07$42.20$54.41275,700
2017-04-06$43.30$55.83120,900
2017-04-05$42.30$54.54122,600
2017-04-04$42.50$54.80119,000
2017-04-03$41.50$53.5181,200
2017-03-31$42.35$54.60114,000
2017-03-30$42.20$54.4172,600
2017-03-29$41.80$53.8983,200
2017-03-28$42.40$54.67110,800
2017-03-27$41.70$53.7793,400
2017-03-24$41.30$53.2571,000
2017-03-23$41.60$53.64121,400
2017-03-22$40.95$52.80151,400
2017-03-21$41.65$53.70156,300
2017-03-20$42.70$55.06102,400
2017-03-17$42.25$54.47230,200
2017-03-16$41.55$53.5777,100
2017-03-15$41.80$53.8980,700
2017-03-14$40.90$52.7361,200
2017-03-13$41.95$54.0956,600
2017-03-10$41.75$53.83140,200
2017-03-09$41.00$52.8671,600
2017-03-08$41.60$53.6479,300
2017-03-07$42.80$55.1899,900
2017-03-06$43.35$55.8981,900
2017-03-03$44.10$56.8698,500
2017-03-02$44.70$57.63148,800
2017-03-01$45.70$58.92242,300
2017-02-28$43.85$56.54229,100
2017-02-27$44.25$57.05181,600
2017-02-24$42.65$54.99103,600
2017-02-23$43.25$55.76151,700
2017-02-22$43.65$56.28137,200
2017-02-21$43.55$56.15139,300
2017-02-17$42.85$55.2578,200
2017-02-16$43.40$55.9695,100
2017-02-15$43.65$56.2873,500
2017-02-14$43.35$55.8994,300
2017-02-13$44.05$56.80200,800
2017-02-10$43.15$55.64227,200
2017-02-09$42.40$54.67134,700
2017-02-08$41.65$53.70150,200
2017-02-07$41.45$53.44150,000
2017-02-06$41.55$53.5783,400
2017-02-03$42.45$54.73143,600
2017-02-02$41.60$53.64106,400
2017-02-01$41.65$53.70137,000
2017-01-31$40.45$52.15139,700
2017-01-30$40.95$52.80133,800
2017-01-27$41.80$53.8991,000
2017-01-26$42.20$54.41128,300
2017-01-25$42.35$54.60217,800
2017-01-24$42.55$54.86243,700
2017-01-23$41.10$52.9998,700
2017-01-20$40.70$52.48124,800
2017-01-19$40.30$51.9673,900
2017-01-18$40.45$52.1576,900
2017-01-17$40.15$51.77117,600
2017-01-13$40.75$52.5495,100
2017-01-12$40.20$51.83122,500
2017-01-11$40.00$51.57115,300
2017-01-10$40.00$51.57165,700
2017-01-09$39.45$50.86111,800
2017-01-06$40.25$51.9062,500
2017-01-05$41.00$52.86138,700
2017-01-04$41.65$53.70168,200
2017-01-03$40.65$52.41145,000