stockNYSE: KOP • 28 Days Updates

Koppers Holdings Inc. (KOP)

Showing Closing Date Range from Sep 11 to Oct 9, 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
$43.41
-5.55%
28 Days Updates Trajectory
Showing Closing Date Range from Sep 11 to Oct 9, 2026.
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Click metric scorecards below to toggle price, return %, range & volume curvesKOP session performance
✓ Latest Close USD
$43.41
Latest session close
$-2.55vs period start
Period Return % % GAIN
-5.55%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$47.77 / $42.88
Period range envelope
$4.89channel spread
Total Volume SHARES
1.52M
Period turnover
Avg: 138.2K/dLiquidity

Historical Session Ledger

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

Historical Quotes & Breakdown(11 dates)
DateClose (USD)Return %HighLowVolume
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$45.97140.5K
Oct 05, 2026$47.04+2.17% $47.77$45.81217.5K
Oct 02, 2026$46.04+1.88% $46.39$45.31159.0K
Sep 30, 2026$45.59-1.06% $46.34$45.46150.7K
Sep 29, 2026$46.08-0.19% $46.44$45.52104.0K
Sep 28, 2026$46.17-0.22% $46.98$45.95102.6K
Sep 25, 2026$46.27+0.67% $46.51$45.5198.8K
Sep 24, 2026$45.96-0.65% $46.45$45.55108.1K