stockNYSE: KOP • 6 Months Updates

Koppers Holdings Inc. (KOP) 6 Months

Showing Closing Date Range from Apr 26 to Oct 23, 2026.

Koppers Holdings Inc. (KOP) is a publicly traded company operating within the Basic Materials sector.
Price & Performance Trajectory

Koppers Holdings Inc.NYSE: KOP

Latest Close
$40.18
-2.83%
6 Months Updates Trajectory
Showing Closing Date Range from Apr 26 to Oct 23, 2026.
Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesKOP session performance
✓ Latest Close USD
$40.18
Latest session close
$-1.17vs period start
Period Return % % GAIN
-2.83%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$53 / $38.13
Period range envelope
$14.87channel spread
Total Volume SHARES
22.59M
Period turnover
Avg: 179.3K/dLiquidity

Historical Session Ledger

Daily open, high, low, and close prices with volume and period returns.

Historical Quotes & Breakdown(126 dates)
DateClose (USD)Return %HighLowVolume
Oct 23, 2026$40.18-1.40% $40.75$39.31216.9K
Oct 22, 2026$40.75-1.43% $41.51$40.48173.3K
Oct 21, 2026$41.34-0.86% $41.96$40.96333.7K
Oct 20, 2026$41.70-2.82% $43.56$41.62101.6K
Oct 19, 2026$42.91-0.95% $43.78$42.82100.3K
Oct 16, 2026$43.32-0.28% $44.20$43.06107.9K
Oct 15, 2026$43.44-0.53% $44.39$43.14110.6K
Oct 14, 2026$43.67-1.67% $43.92$43.12116.6K
Oct 13, 2026$44.41+3.04% $44.43$42.69144.4K
Oct 12, 2026$43.10-0.71% $43.60$42.92115.1K
Oct 09, 2026$43.41-1.88% $44.22$42.88134.1K
Oct 08, 2026$44.24+0.82% $45.06$43.71164.8K
Oct 07, 2026$43.88-4.67% $45.54$43.75140.1K
Oct 06, 2026$46.03-2.15% $47.45$45.97141.4K
Oct 05, 2026$47.04+2.17% $47.79$45.51282.1K
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