stockNYSE: KOP • Today's Updates
Koppers Holdings Inc. (KOP) Today Close
Showing Closing Date Range from Oct 8 to Oct 9, 2026.
Koppers Holdings Inc. (KOP) is a publicly traded company operating within the Basic Materials sector.
NYSE MarketWeekend Closed Wall Street: 12:55 PM ET
Weekend • Markets Closed
US stock markets are closed over the weekend and will reopen Monday at 9:30 AM ET. Displaying the final completed trading session from Oct 09, 2026.
Multi-Day Trends:View 28-Day Chart
Started At
Market Open Opening price at session start (9:30 AM ET)
$44.22
Opening Gap$-0.02(-0.05%)
Last Finalized Close
FRIDAY CLOSESession close from Oct 09, 2026
$43.41
Session DateOct 09, 2026
Lost Today
LOSS Net movement vs previous close
$-0.83 (-1.88%)
Intraday (from open)$-0.81 (-1.83%)
Day's High & Low Range
Session Low
$42.88
Session High
$44.22
Low ($42.88)Last Finalized Close ($43.41)High ($44.22)
Trading Activity & Liquidity
Shares Traded
134.1K
134,137 shares
Dollar Volume
$5.82M
Close × Volume traded
Session Turnover$5.82M USD
Session Statistics Breakdown
Key opening, settlement, and trading metrics for Koppers Holdings Inc. (KOP).
Oct 09, 2026
Started At (Open)
$44.22
Previous Close
$44.24
Session High
$44.22
Session Low
$42.88
Last Finalized Close
$43.41
Gained / Lost ($)
$-0.83
Gained / Lost (%)
-1.88%
Day's Spread
$1.34