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 — 2021

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2021-12-31$31.30$40.3630,700
2021-12-30$31.18$40.2032,100
2021-12-29$31.59$40.7360,200
2021-12-28$31.38$40.4640,100
2021-12-27$31.35$40.4245,100
2021-12-23$31.07$40.0647,000
2021-12-22$30.69$39.5757,600
2021-12-21$30.53$39.3687,300
2021-12-20$29.34$37.83123,000
2021-12-17$29.69$38.28387,100
2021-12-16$30.66$39.5372,300
2021-12-15$30.99$39.96108,800
2021-12-14$30.42$39.2298,800
2021-12-13$30.73$39.6297,700
2021-12-10$31.79$40.9961,700
2021-12-09$31.62$40.7784,900
2021-12-08$32.31$41.6645,300
2021-12-07$32.11$41.40112,500
2021-12-06$32.10$41.3977,100
2021-12-03$30.94$39.8981,000
2021-12-02$30.72$39.6179,900
2021-12-01$29.70$38.2977,200
2021-11-30$30.20$38.94142,600
2021-11-29$30.74$39.6385,400
2021-11-26$31.52$40.6460,200
2021-11-24$32.78$42.2631,700
2021-11-23$33.04$42.6059,400
2021-11-22$32.41$41.79111,900
2021-11-19$32.31$41.6670,500
2021-11-18$33.03$42.59183,900
2021-11-17$33.19$42.79114,400
2021-11-16$34.00$43.84160,400
2021-11-15$34.41$44.37119,200
2021-11-12$34.60$44.61122,600
2021-11-11$34.78$44.84135,800
2021-11-10$33.85$43.64148,500
2021-11-09$33.29$42.92164,300
2021-11-08$33.16$42.75132,800
2021-11-05$33.45$43.13126,700
2021-11-04$32.20$41.52288,600
2021-11-03$37.05$47.77124,300
2021-11-02$35.65$45.9750,700
2021-11-01$35.78$46.1384,100
2021-10-29$35.09$45.24108,900
2021-10-28$35.01$45.1480,300
2021-10-27$34.02$43.8685,800
2021-10-26$34.80$44.8773,200
2021-10-25$35.04$45.18180,700
2021-10-22$34.46$44.4383,000
2021-10-21$34.79$44.86117,100
2021-10-20$34.61$44.6258,000
2021-10-19$34.28$44.2072,200
2021-10-18$33.71$43.4672,200
2021-10-15$33.45$43.1378,700
2021-10-14$33.48$43.1772,000
2021-10-13$32.92$42.4557,300
2021-10-12$33.19$42.7948,900
2021-10-11$32.59$42.0249,800
2021-10-08$33.20$42.8156,200
2021-10-07$32.87$42.3881,400
2021-10-06$31.63$40.78115,700
2021-10-05$32.19$41.5085,200
2021-10-04$32.21$41.5375,000
2021-10-01$32.23$41.56113,700
2021-09-30$31.26$40.31109,300
2021-09-29$32.03$41.3088,600
2021-09-28$32.21$41.5383,000
2021-09-27$32.74$42.21109,700
2021-09-24$31.25$40.2984,400
2021-09-23$30.95$39.9181,100
2021-09-22$30.03$38.7278,500
2021-09-21$29.40$37.9189,800
2021-09-20$29.43$37.95128,800
2021-09-17$29.50$38.04447,000
2021-09-16$31.05$40.0372,800
2021-09-15$31.79$40.9985,900
2021-09-14$31.86$41.0883,700
2021-09-13$32.47$41.87101,900
2021-09-10$31.76$40.9593,000
2021-09-09$31.99$41.2577,400
2021-09-08$31.94$41.1882,200
2021-09-07$33.25$42.8785,700
2021-09-03$33.31$42.9581,900
2021-09-02$34.02$43.86195,900
2021-09-01$33.26$42.8881,600
2021-08-31$32.90$42.42126,500
2021-08-30$32.65$42.1084,000
2021-08-27$33.16$42.75129,100
2021-08-26$31.42$40.5174,200
2021-08-25$31.59$40.7381,200
2021-08-24$31.35$40.4277,900
2021-08-23$30.65$39.5276,300
2021-08-20$30.05$38.74108,800
2021-08-19$30.04$38.73110,200
2021-08-18$30.30$39.0788,200
2021-08-17$30.62$39.48100,800
2021-08-16$30.98$39.9468,400
2021-08-13$31.02$40.00105,600
2021-08-12$31.20$40.2396,400
2021-08-11$32.14$41.4472,500
2021-08-10$31.42$40.51118,300
2021-08-09$30.52$39.3568,900
2021-08-06$30.90$39.84127,900
2021-08-05$30.27$39.0384,500
2021-08-04$29.64$38.22101,100
2021-08-03$30.91$39.8583,900
2021-08-02$30.46$39.2788,700
2021-07-30$30.71$39.6071,300
2021-07-29$31.03$40.0152,100
2021-07-28$30.57$39.4258,800
2021-07-27$30.33$39.1179,900
2021-07-26$30.77$39.6760,300
2021-07-23$30.12$38.8476,800
2021-07-22$29.94$38.60104,600
2021-07-21$30.04$38.7389,700
2021-07-20$29.49$38.02107,400
2021-07-19$28.51$36.76125,800
2021-07-16$29.30$37.78120,400
2021-07-15$30.72$39.6177,100
2021-07-14$30.56$39.4058,700
2021-07-13$30.78$39.6975,500
2021-07-12$31.46$40.5675,100
2021-07-09$31.35$40.4267,900
2021-07-08$30.50$39.33123,700
2021-07-07$31.44$40.54107,200
2021-07-06$31.16$40.18194,900
2021-07-02$32.15$41.45129,200
2021-07-01$32.48$41.88157,600
2021-06-30$32.35$41.71185,000
2021-06-29$31.60$40.74110,000
2021-06-28$31.31$40.37143,400
2021-06-25$31.86$41.08592,100
2021-06-24$31.66$40.82101,700
2021-06-23$31.27$40.3269,300
2021-06-22$31.21$40.2467,800
2021-06-21$31.19$40.21114,900
2021-06-18$30.95$39.91284,700
2021-06-17$31.67$40.83242,800
2021-06-16$31.93$41.1769,700
2021-06-15$32.22$41.5489,000
2021-06-14$32.45$41.84102,900
2021-06-11$33.29$42.9271,900
2021-06-10$33.22$42.8378,400
2021-06-09$33.58$43.30118,600
2021-06-08$33.78$43.55144,300
2021-06-07$33.53$43.2366,000
2021-06-04$34.24$44.1575,800
2021-06-03$33.96$43.79100,300
2021-06-02$34.05$43.9099,100
2021-06-01$35.25$45.45117,900
2021-05-28$34.67$44.7082,600
2021-05-27$34.32$44.2595,200
2021-05-26$33.66$43.4095,600
2021-05-25$33.22$42.83160,000
2021-05-24$33.74$43.5053,400
2021-05-21$33.91$43.7270,300
2021-05-20$33.48$43.1771,500
2021-05-19$33.50$43.1982,000
2021-05-18$34.42$44.3889,700
2021-05-17$35.14$45.3181,700
2021-05-14$35.16$45.33121,500
2021-05-13$33.98$43.81128,400
2021-05-12$34.29$44.21129,200
2021-05-11$36.57$47.1592,800
2021-05-10$36.95$47.64151,000
2021-05-07$38.22$49.28192,500
2021-05-06$35.74$46.08263,500
2021-05-05$34.99$45.1186,100
2021-05-04$34.97$45.0977,800
2021-05-03$34.15$44.03188,000
2021-04-30$33.24$42.86170,800
2021-04-29$33.80$43.5866,600
2021-04-28$34.08$43.9460,000
2021-04-27$34.14$44.0266,100
2021-04-26$34.44$44.4189,600
2021-04-23$34.21$44.1178,900
2021-04-22$32.99$42.5496,400
2021-04-21$33.69$43.4481,800
2021-04-20$32.54$41.96226,300
2021-04-19$34.01$43.85114,000
2021-04-16$34.55$44.5578,200
2021-04-15$34.31$44.2479,400
2021-04-14$33.86$43.6679,100
2021-04-13$33.36$43.01366,300
2021-04-12$34.43$44.3965,500
2021-04-09$34.20$44.1085,500
2021-04-08$33.48$43.17101,100
2021-04-07$33.81$43.5995,900
2021-04-06$34.40$44.3586,300
2021-04-05$34.94$45.05128,100
2021-04-01$34.63$44.65120,800
2021-03-31$34.76$44.82179,200
2021-03-30$35.25$45.45121,600
2021-03-29$33.87$43.67110,100
2021-03-26$35.35$45.58138,100
2021-03-25$34.18$44.07207,600
2021-03-24$32.76$42.24158,300
2021-03-23$33.70$43.45243,900
2021-03-22$36.10$46.55137,000
2021-03-19$37.26$48.04380,200
2021-03-18$36.92$47.60268,800
2021-03-17$36.82$47.4784,100
2021-03-16$36.22$46.70132,800
2021-03-15$36.76$47.4077,300
2021-03-12$37.27$48.05102,600
2021-03-11$36.58$47.16138,400
2021-03-10$35.71$46.04151,300
2021-03-09$34.80$44.87103,400
2021-03-08$35.69$46.02162,700
2021-03-05$35.45$45.71161,300
2021-03-04$34.27$44.19154,700
2021-03-03$35.72$46.06156,800
2021-03-02$34.87$44.96128,200
2021-03-01$34.96$45.08255,100
2021-02-26$33.41$43.08173,500
2021-02-25$34.61$44.62165,900
2021-02-24$35.75$46.09396,700
2021-02-23$37.17$47.93127,300
2021-02-22$37.25$48.03143,700
2021-02-19$36.00$46.42124,600
2021-02-18$34.45$44.42100,900
2021-02-17$35.34$45.5778,900
2021-02-16$35.42$45.67109,100
2021-02-12$35.81$46.1772,600
2021-02-11$36.09$46.53109,500
2021-02-10$35.75$46.0996,800
2021-02-09$36.06$46.4994,100
2021-02-08$36.55$47.13101,700
2021-02-05$35.23$45.42103,700
2021-02-04$35.01$45.14265,600
2021-02-03$35.21$45.40104,000
2021-02-02$34.80$44.87100,700
2021-02-01$34.79$44.8693,000
2021-01-29$33.28$42.91211,000
2021-01-28$33.95$43.77241,800
2021-01-27$33.82$43.61183,700
2021-01-26$34.66$44.69120,300
2021-01-25$34.76$44.8293,800
2021-01-22$35.67$45.99133,200
2021-01-21$35.26$45.46140,900
2021-01-20$36.02$46.44114,400
2021-01-19$35.92$46.31210,500
2021-01-15$35.75$46.09227,200
2021-01-14$35.15$45.32151,300
2021-01-13$34.46$44.43213,800
2021-01-12$35.13$45.29195,600
2021-01-11$33.16$42.7594,600
2021-01-08$33.16$42.75147,500
2021-01-07$33.56$43.27160,800
2021-01-06$33.11$42.69310,600
2021-01-05$30.50$39.33140,500
2021-01-04$29.84$38.47301,200