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 — 2018

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2018-12-31$17.04$21.97236,200
2018-12-28$17.47$22.52277,800
2018-12-27$17.05$21.98278,300
2018-12-26$16.83$21.70375,200
2018-12-24$16.08$20.73324,400
2018-12-21$16.80$21.661,055,400
2018-12-20$17.20$22.18390,200
2018-12-19$17.74$22.87435,800
2018-12-18$16.74$21.58497,900
2018-12-17$17.15$22.11505,800
2018-12-14$16.39$21.13374,000
2018-12-13$17.21$22.19229,100
2018-12-12$18.00$23.21221,800
2018-12-11$17.52$22.59252,800
2018-12-10$17.80$22.95262,600
2018-12-07$17.87$23.04346,000
2018-12-06$17.81$22.96418,600
2018-12-04$18.75$24.18553,200
2018-12-03$18.85$24.30601,300
2018-11-30$18.64$24.03309,100
2018-11-29$18.63$24.02308,600
2018-11-28$20.20$26.04423,100
2018-11-27$19.23$24.79212,000
2018-11-26$20.05$25.85257,100
2018-11-23$20.88$26.9275,000
2018-11-21$20.98$27.05193,200
2018-11-20$21.00$27.08318,900
2018-11-19$21.00$27.08325,900
2018-11-16$20.21$26.06301,300
2018-11-15$21.48$27.70431,900
2018-11-14$22.40$28.88419,400
2018-11-13$21.53$27.76417,000
2018-11-12$20.16$25.99525,300
2018-11-09$19.80$25.53790,800
2018-11-08$21.66$27.93955,100
2018-11-07$28.29$36.48171,300
2018-11-06$27.99$36.09146,400
2018-11-05$29.03$37.43272,900
2018-11-02$28.31$36.50172,400
2018-11-01$28.03$36.14175,700
2018-10-31$26.75$34.49132,900
2018-10-30$26.03$33.56120,600
2018-10-29$26.16$33.73176,100
2018-10-26$26.27$33.87151,100
2018-10-25$26.45$34.10119,100
2018-10-24$25.68$33.11214,100
2018-10-23$27.76$35.79151,300
2018-10-22$28.65$36.94108,700
2018-10-19$29.84$38.47137,400
2018-10-18$30.80$39.7188,100
2018-10-17$31.17$40.19120,900
2018-10-16$31.66$40.82114,100
2018-10-15$30.29$39.0598,900
2018-10-12$30.00$38.68189,100
2018-10-11$30.43$39.23283,000
2018-10-10$32.01$41.27325,900
2018-10-09$32.03$41.30257,300
2018-10-08$32.14$41.44158,000
2018-10-05$32.05$41.32207,000
2018-10-04$32.00$41.26250,700
2018-10-03$31.60$40.74164,300
2018-10-02$30.78$39.6984,300
2018-10-01$31.12$40.12126,000
2018-09-28$31.15$40.16197,300
2018-09-27$31.00$39.97133,100
2018-09-26$31.50$40.61202,600
2018-09-25$32.55$41.97101,200
2018-09-24$32.45$41.84127,000
2018-09-21$33.05$42.61274,000
2018-09-20$33.05$42.61185,500
2018-09-19$32.85$42.36157,500
2018-09-18$32.90$42.42180,800
2018-09-17$32.70$42.16180,900
2018-09-14$32.30$41.65141,000
2018-09-13$32.75$42.23193,900
2018-09-12$33.50$43.19148,500
2018-09-11$33.75$43.52215,400
2018-09-10$34.45$44.42447,700
2018-09-07$34.45$44.42328,600
2018-09-06$34.45$44.42183,000
2018-09-05$35.05$45.19236,200
2018-09-04$35.35$45.58146,300
2018-08-31$35.45$45.71142,800
2018-08-30$35.65$45.97125,000
2018-08-29$36.10$46.55141,800
2018-08-28$35.75$46.09144,300
2018-08-27$36.35$46.87377,100
2018-08-24$35.00$45.13294,000
2018-08-23$34.05$43.90279,900
2018-08-22$34.50$44.48284,300
2018-08-21$34.25$44.16378,300
2018-08-20$34.25$44.16181,800
2018-08-17$34.65$44.68393,600
2018-08-16$35.45$45.71206,300
2018-08-15$34.95$45.06205,000
2018-08-14$35.10$45.26236,200
2018-08-13$35.45$45.71202,000
2018-08-10$35.25$45.45143,300
2018-08-09$35.00$45.13244,700
2018-08-08$37.95$48.9388,200
2018-08-07$37.30$48.0955,900
2018-08-06$37.45$48.2949,500
2018-08-03$37.60$48.4837,600
2018-08-02$37.75$48.6787,000
2018-08-01$38.35$49.45143,700
2018-07-31$37.55$48.4185,400
2018-07-30$36.50$47.0693,200
2018-07-27$36.75$47.3886,600
2018-07-26$38.00$49.00111,900
2018-07-25$37.25$48.03113,700
2018-07-24$37.75$48.6776,700
2018-07-23$38.00$49.0094,800
2018-07-20$39.05$50.3557,000
2018-07-19$39.20$50.5457,700
2018-07-18$38.85$50.09110,000
2018-07-17$37.90$48.8746,100
2018-07-16$37.45$48.2982,800
2018-07-13$37.40$48.2296,000
2018-07-12$38.00$49.0059,300
2018-07-11$38.50$49.6491,300
2018-07-10$38.85$50.0979,200
2018-07-09$39.60$51.0670,600
2018-07-06$39.70$51.1960,400
2018-07-05$39.40$50.8060,500
2018-07-03$39.55$50.9951,300
2018-07-02$38.50$49.6488,300
2018-06-29$38.35$49.4571,200
2018-06-28$38.45$49.5865,600
2018-06-27$39.20$50.54118,000
2018-06-26$38.90$50.1697,700
2018-06-25$38.55$49.7095,400
2018-06-22$38.80$50.03162,600
2018-06-21$39.00$50.2873,700
2018-06-20$40.10$51.70116,800
2018-06-19$40.25$51.9081,900
2018-06-18$40.65$52.4177,100
2018-06-15$41.20$53.12183,500
2018-06-14$41.40$53.3852,300
2018-06-13$41.80$53.8979,600
2018-06-12$42.60$54.9364,800
2018-06-11$43.25$55.7669,400
2018-06-08$43.00$55.44121,400
2018-06-07$42.70$55.06184,800
2018-06-06$42.55$54.86111,100
2018-06-05$42.10$54.28125,500
2018-06-04$41.10$52.99101,300
2018-06-01$40.85$52.67132,800
2018-05-31$40.30$51.9686,000
2018-05-30$40.20$51.8399,800
2018-05-29$40.40$52.09152,100
2018-05-25$40.05$51.6479,700
2018-05-24$40.00$51.57135,400
2018-05-23$40.40$52.0975,600
2018-05-22$40.40$52.0991,500
2018-05-21$40.95$52.8085,500
2018-05-18$40.35$52.03121,300
2018-05-17$39.85$51.38144,700
2018-05-16$39.10$50.41100,800
2018-05-15$38.55$49.70121,700
2018-05-14$38.35$49.4594,200
2018-05-11$39.00$50.2869,400
2018-05-10$39.25$50.6190,800
2018-05-09$39.35$50.74108,800
2018-05-08$39.10$50.41140,800
2018-05-07$39.55$50.99329,600
2018-05-04$40.50$52.22227,000
2018-05-03$42.50$54.80137,700
2018-05-02$44.05$56.80130,300
2018-05-01$43.55$56.1589,100
2018-04-30$43.80$56.47170,300
2018-04-27$45.25$58.3449,800
2018-04-26$45.75$58.99124,200
2018-04-25$45.55$58.7357,100
2018-04-24$45.20$58.28107,500
2018-04-23$45.35$58.4782,700
2018-04-20$45.55$58.7352,900
2018-04-19$45.80$59.0548,700
2018-04-18$46.00$59.3169,100
2018-04-17$45.60$58.7995,700
2018-04-16$45.55$58.73119,100
2018-04-13$44.40$57.25111,000
2018-04-12$44.50$57.3873,700
2018-04-11$43.60$56.22102,900
2018-04-10$43.60$56.22164,000
2018-04-09$40.75$52.5475,300
2018-04-06$40.65$52.4181,000
2018-04-05$41.50$53.51120,800
2018-04-04$39.80$51.32268,700
2018-04-03$40.15$51.77165,500
2018-04-02$40.65$52.41106,700
2018-03-29$41.10$52.99220,100
2018-03-28$40.60$52.35134,600
2018-03-27$40.85$52.67127,200
2018-03-26$41.30$53.25124,300
2018-03-23$40.90$52.73115,800
2018-03-22$41.80$53.89184,000
2018-03-21$43.40$55.96121,800
2018-03-20$43.05$55.5167,300
2018-03-19$43.35$55.89101,300
2018-03-16$43.85$56.54196,100
2018-03-15$43.10$55.5799,900
2018-03-14$43.35$55.89102,100
2018-03-13$44.20$56.9981,200
2018-03-12$44.25$57.0569,400
2018-03-09$43.60$56.2290,000
2018-03-08$42.30$54.54102,800
2018-03-07$42.35$54.6083,100
2018-03-06$42.25$54.47149,500
2018-03-05$41.25$53.1963,400
2018-03-02$41.60$53.6493,600
2018-03-01$40.80$52.61173,800
2018-02-28$40.40$52.09188,600
2018-02-27$41.05$52.93155,600
2018-02-26$41.50$53.51105,900
2018-02-23$41.30$53.2589,500
2018-02-22$40.80$52.6169,300
2018-02-21$41.10$52.9985,800
2018-02-20$40.65$52.4172,100
2018-02-16$40.75$52.54105,000
2018-02-15$40.85$52.6767,400
2018-02-14$40.70$52.4888,300
2018-02-13$40.05$51.64125,700
2018-02-12$40.05$51.64166,800
2018-02-09$39.65$51.12173,600
2018-02-08$40.05$51.64130,000
2018-02-07$40.50$52.22206,700
2018-02-06$41.30$53.25263,600
2018-02-05$41.85$53.96172,100
2018-02-02$43.10$55.57100,500
2018-02-01$44.95$57.96172,000
2018-01-31$45.80$59.05127,200
2018-01-30$45.90$59.18165,300
2018-01-29$46.75$60.28119,200
2018-01-26$46.85$60.41168,600
2018-01-25$47.80$61.63157,400
2018-01-24$46.65$60.1578,300
2018-01-23$46.65$60.15101,200
2018-01-22$48.00$61.8966,300
2018-01-19$47.90$61.7667,600
2018-01-18$47.15$60.7961,800
2018-01-17$47.75$61.57162,600
2018-01-16$47.85$61.7085,800
2018-01-12$48.80$62.9270,600
2018-01-11$49.15$63.37133,100
2018-01-10$48.00$61.8995,400
2018-01-09$49.45$63.7686,800
2018-01-08$50.10$64.6088,800
2018-01-05$50.55$65.1887,200
2018-01-04$51.00$65.76102,200
2018-01-03$50.25$64.79113,500
2018-01-02$50.80$65.50106,600