Koppers Holdings Inc (KOP) 52-week high is $41.27
Koppers Holdings Inc (KOP) 52-week high is $41.27 as of 2026-06-30. That figure is from Lician’s product cache for this basic materials name — not a placeholder and not copied across tickers.
Read the full KOP research page for quote, filings, and the rest of the model. This satellite exists so “Koppers Holdings Inc 52-week high” can rank with the actual number, then send you to /stock/kop.