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KOP
Koppers Holdings, Inc.
stock NYSE

At Close

Jun 18, 2026 3:59:42 PM EDT

43.83USD+0.412%(+0.18)385,865

0.00Bid 0.00Ask 0.00Spread

Pre-market

Jun 18, 2026 8:07:30 AM EDT

43.75USD+0.229%(+0.10)100

After-hours

Jun 18, 2026 4:10:30 PM EDT

43.73USD-0.228%(-0.10)254,246

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