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 — 2023

DateSplit-adjusted closeCumulative dividend-reinvested closeReported volumeOpen priceExchange Volume
2023-12-29$51.22$66.9791,900——
2023-12-28$52.00$67.99101,000——
2023-12-27$51.93$67.90117,100——
2023-12-26$51.59$67.46109,900——
2023-12-22$50.00$65.38147,600——
2023-12-21$49.27$64.4280,200——
2023-12-20$49.23$64.37216,300——
2023-12-19$49.86$65.19305,000——
2023-12-18$46.51$60.81218,500——
2023-12-15$45.81$59.90657,700——
2023-12-14$45.50$59.49134,200——
2023-12-13$44.40$58.05196,300——
2023-12-12$43.06$56.30134,600——
2023-12-11$44.27$57.88122,400——
2023-12-08$44.08$57.6491,200——
2023-12-07$44.61$58.33102,800——
2023-12-06$44.75$58.5198,800——
2023-12-05$45.07$58.93146,300——
2023-12-04$45.75$59.82164,900——
2023-12-01$45.14$59.02189,100——
2023-11-30$45.17$59.06215,800——
2023-11-29$44.65$58.38268,500——
2023-11-28$43.20$56.48254,400——
2023-11-27$44.19$57.78215,100——
2023-11-24$43.37$56.7172,800——
2023-11-22$42.36$55.3985,100——
2023-11-21$42.88$55.99164,500——
2023-11-20$43.19$56.3984,700——
2023-11-17$43.33$56.58132,300——
2023-11-16$42.36$55.31272,300——
2023-11-15$42.81$55.90175,200——
2023-11-14$43.90$57.32323,400——
2023-11-13$40.86$53.35151,100——
2023-11-10$41.36$54.00139,900——
2023-11-09$39.76$51.91129,600——
2023-11-08$38.19$49.86133,800——
2023-11-07$37.31$48.7275,800——
2023-11-06$37.30$48.70112,400——
2023-11-03$37.91$49.50112,000——
2023-11-02$37.38$48.81125,600——
2023-11-01$36.90$48.18109,700——
2023-10-31$36.57$47.7560,700——
2023-10-30$36.34$47.4563,100——
2023-10-27$36.39$47.51141,700——
2023-10-26$35.61$46.5069,600——
2023-10-25$35.16$45.9168,500——
2023-10-24$35.57$46.4474,400——
2023-10-23$35.61$46.5062,800——
2023-10-20$36.19$47.2581,400——
2023-10-19$36.34$47.4576,600——
2023-10-18$37.09$48.4352,800——
2023-10-17$38.17$49.84106,700——
2023-10-16$37.90$49.49164,900——
2023-10-13$37.49$48.9551,000——
2023-10-12$38.53$50.31123,100——
2023-10-11$39.35$51.3890,100——
2023-10-10$39.03$50.9661,600——
2023-10-09$38.21$49.8946,700——
2023-10-06$38.34$50.0679,000——
2023-10-05$37.95$49.55111,500——
2023-10-04$37.96$49.5689,100——
2023-10-03$38.44$50.1983,900——
2023-10-02$39.73$51.88154,800——
2023-09-29$39.55$51.64157,200——
2023-09-28$40.28$52.59208,600——
2023-09-27$40.00$52.2378,600——
2023-09-26$39.43$51.48101,500——
2023-09-25$41.02$53.5691,400——
2023-09-22$40.45$52.82136,300——
2023-09-21$41.40$54.06173,400——
2023-09-20$39.60$51.71217,400——
2023-09-19$40.78$53.25183,900——
2023-09-18$41.76$54.53265,000——
2023-09-15$38.76$50.61323,300——
2023-09-14$38.13$49.7984,700——
2023-09-13$36.54$47.7196,000——
2023-09-12$37.08$48.4287,300——
2023-09-11$37.62$49.1262,700——
2023-09-08$37.28$48.6880,200——
2023-09-07$37.45$48.90160,200——
2023-09-06$38.55$50.3385,500——
2023-09-05$38.13$49.79104,400——
2023-09-01$39.90$52.10207,000——
2023-08-31$38.29$49.99141,900——
2023-08-30$38.77$50.6279,500——
2023-08-29$38.20$49.88104,400——
2023-08-28$37.60$49.0937,100——
2023-08-25$37.19$48.5636,400——
2023-08-24$36.93$48.2272,400——
2023-08-23$37.47$48.8536,900——
2023-08-22$37.65$49.0850,800——
2023-08-21$37.95$49.4769,100——
2023-08-18$39.13$51.0185,600——
2023-08-17$38.91$50.72143,100——
2023-08-16$38.23$49.8483,500——
2023-08-15$38.39$50.0539,700——
2023-08-14$39.47$51.4575,100——
2023-08-11$39.05$50.9162,300——
2023-08-10$38.62$50.3582,600——
2023-08-09$38.70$50.4588,600——
2023-08-08$38.73$50.4965,400——
2023-08-07$38.97$50.8083,700——
2023-08-04$38.86$50.6661,000——
2023-08-03$38.40$50.0694,700——
2023-08-02$37.90$49.4178,900——
2023-08-01$38.60$50.3274,700——
2023-07-31$38.26$49.8859,800——
2023-07-28$37.66$49.0948,100——
2023-07-27$36.47$47.5468,500——
2023-07-26$36.93$48.1450,600——
2023-07-25$37.00$48.2344,900——
2023-07-24$36.75$47.9138,400——
2023-07-21$36.44$47.5056,300——
2023-07-20$36.77$47.9350,600——
2023-07-19$36.76$47.9239,900——
2023-07-18$36.62$47.7439,300——
2023-07-17$35.82$46.7045,900——
2023-07-14$35.59$46.4043,200——
2023-07-13$35.78$46.6460,500——
2023-07-12$35.30$46.0292,200——
2023-07-11$34.85$45.4347,400——
2023-07-10$34.48$44.9563,900——
2023-07-07$34.54$45.03128,800——
2023-07-06$33.70$43.9376,100——
2023-07-05$33.58$43.7766,700——
2023-07-03$34.45$44.9125,800——
2023-06-30$34.10$44.45128,000——
2023-06-29$33.68$43.9150,700——
2023-06-28$32.74$42.6859,800——
2023-06-27$32.83$42.8048,600——
2023-06-26$32.44$42.2965,100——
2023-06-23$32.36$42.18128,800——
2023-06-22$32.94$42.9459,900——
2023-06-21$33.78$44.0453,500——
2023-06-20$33.76$44.0151,300——
2023-06-16$34.17$44.54363,400——
2023-06-15$34.30$44.7187,300——
2023-06-14$33.79$44.0581,100——
2023-06-13$33.63$43.8479,800——
2023-06-12$32.98$42.9962,700——
2023-06-09$32.33$42.1560,200——
2023-06-08$33.00$43.0282,900——
2023-06-07$33.36$43.49100,600——
2023-06-06$31.34$40.85112,300——
2023-06-05$30.88$40.2651,200——
2023-06-02$31.61$41.2182,600——
2023-06-01$29.19$38.0556,100——
2023-05-31$28.96$37.75191,200——
2023-05-30$29.10$37.9333,900——
2023-05-26$29.74$38.7739,300——
2023-05-25$30.14$39.2934,700——
2023-05-24$30.88$40.1848,400——
2023-05-23$31.64$41.1740,200——
2023-05-22$31.61$41.1336,900——
2023-05-19$31.92$41.5337,600——
2023-05-18$32.02$41.6655,600——
2023-05-17$31.33$40.7658,700——
2023-05-16$30.73$39.9841,600——
2023-05-15$31.21$40.6146,800——
2023-05-12$31.32$40.7552,900——
2023-05-11$31.25$40.6635,700——
2023-05-10$31.76$41.3245,700——
2023-05-09$31.72$41.2795,600——
2023-05-08$32.37$42.1255,300——
2023-05-05$33.17$43.1673,300——
2023-05-04$31.31$40.7453,000——
2023-05-03$32.04$41.69113,600——
2023-05-02$32.08$41.74162,400——
2023-05-01$33.13$43.1062,400——
2023-04-28$32.81$42.6971,400——
2023-04-27$32.28$42.0041,600——
2023-04-26$31.96$41.5848,800——
2023-04-25$32.45$42.2234,300——
2023-04-24$33.74$43.9023,000——
2023-04-21$33.70$43.8534,800——
2023-04-20$34.07$44.3364,400——
2023-04-19$34.35$44.6947,900——
2023-04-18$34.25$44.5640,600——
2023-04-17$34.37$44.7227,400——
2023-04-14$34.13$44.4159,100——
2023-04-13$34.74$45.2048,600——
2023-04-12$34.52$44.9171,300——
2023-04-11$34.01$44.2560,000——
2023-04-10$33.93$44.1566,300——
2023-04-06$33.27$43.2940,800——
2023-04-05$33.44$43.5165,100——
2023-04-04$33.75$43.9176,600——
2023-04-03$34.82$45.30137,200——
2023-03-31$34.97$45.50209,000——
2023-03-30$33.87$44.0760,400——
2023-03-29$34.18$44.4794,500——
2023-03-28$33.48$43.5673,600——
2023-03-27$33.30$43.3364,800——
2023-03-24$32.82$42.7087,500——
2023-03-23$32.44$42.2196,200——
2023-03-22$32.26$41.9759,600——
2023-03-21$32.94$42.86101,500——
2023-03-20$32.61$42.43147,300——
2023-03-17$31.77$41.33341,200——
2023-03-16$32.52$42.31159,200——
2023-03-15$32.26$41.97160,100——
2023-03-14$32.59$42.40191,500——
2023-03-13$31.82$41.40107,300——
2023-03-10$33.59$43.7075,700——
2023-03-09$34.97$45.5076,500——
2023-03-08$36.11$46.9085,300——
2023-03-07$35.78$46.47118,100——
2023-03-06$35.46$46.06238,600——
2023-03-03$37.55$48.7773,300——
2023-03-02$37.05$48.12112,100——
2023-03-01$38.12$49.51283,600——
2023-02-28$35.89$46.62157,900——
2023-02-27$35.21$45.73189,000——
2023-02-24$34.35$44.6269,900——
2023-02-23$34.42$44.7193,500——
2023-02-22$34.11$44.31107,100——
2023-02-21$33.72$43.8053,900——
2023-02-17$34.69$45.0654,000——
2023-02-16$34.57$44.9061,100——
2023-02-15$34.38$44.6633,100——
2023-02-14$34.03$44.2064,200——
2023-02-13$34.14$44.3464,500——
2023-02-10$33.44$43.4491,000——
2023-02-09$32.85$42.6796,700——
2023-02-08$34.14$44.3449,100——
2023-02-07$34.51$44.83101,500——
2023-02-06$34.20$44.4289,700——
2023-02-03$35.28$45.83121,600——
2023-02-02$35.43$46.0291,700——
2023-02-01$34.48$44.79169,100——
2023-01-31$34.61$44.96122,600——
2023-01-30$32.63$42.3867,200——
2023-01-27$32.38$42.0639,400——
2023-01-26$32.69$42.4647,400——
2023-01-25$32.91$42.7560,700——
2023-01-24$32.54$42.2756,500——
2023-01-23$31.84$41.3645,200——
2023-01-20$31.66$41.1245,300——
2023-01-19$31.44$40.8460,100——
2023-01-18$31.66$41.1242,400——
2023-01-17$32.03$41.6060,000——
2023-01-13$32.06$41.64129,100——
2023-01-12$31.68$41.15110,300——
2023-01-11$30.37$39.45133,200——
2023-01-10$29.77$38.67136,100——
2023-01-09$29.39$38.1763,600——
2023-01-06$29.36$38.1482,100——
2023-01-05$28.58$37.1260,600——
2023-01-04$28.93$37.5883,000——
2023-01-03$28.43$36.9366,700——