Koppers Holdings Inc. (KOP)
Showing Closing Date Range from Nov 2 to Nov 9, 2026 compared to Oct 25 to Nov 1, 2026.
Compare Last 7 Days with Previous Period
Current Period Close
$29.97
Nov 02, 2026 - Nov 09, 2026
Previous Period Close
$41.50
Oct 25, 2026 - Nov 01, 2026
Net Comparison Delta
$-11.53 (-27.78%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(5 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Nov 06, 2026 | $29.97 | Oct 30, 2026 | $41.50 | -27.78% |
| Nov 05, 2026 | $39.64 | Oct 29, 2026 | $41.86 | -5.30% |
| Nov 04, 2026 | $42.89 | Oct 28, 2026 | $42.08 | +1.92% |
| Nov 03, 2026 | $41.80 | Oct 27, 2026 | $41.44 | +0.87% |
| Nov 02, 2026 | $41.83 | Oct 26, 2026 | $39.83 | +5.02% |