Koppers Holdings Inc. (KOP) Stock Price History
Historical prices from 2011 to 2026
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KOP Historical Performance
Short-Term Returns
KOP Stock Price Trajectory (2011–2026)
As of May 8, 2026, Koppers Holdings Inc. (KOP) trades at $41.16, representing a +64.4% return over the past year. The stock has delivered a +10.6% total return over five years (+1.5% CAGR), reflecting significant long-term value creation.
The stock reached its all-time high of $58.23 on February 29, 2024. From this peak, KOP has corrected -29.3%, currently trading 30% above its 200-day moving average, indicating continued institutional support.
When compared to Basic Materials sector peers IOSP (-16.7% 1Y), HWKN (+39.9% 1Y), and ASIX (+5.4% 1Y), KOP has underperformed the peer group average. Compare KOP vs IOSP →
KOP Historical Price Data (2025–2026)
Showing 30 of 3,650 recordsLoading full history…
| Date | Open | High | Low | Close | Volume | Change % |
|---|---|---|---|---|---|---|
| 2026-05-07 | 41.58 | 42.41 | 41.10 | 41.16 | 156K | -1.08% |
| 2026-05-06 | 41.62 | 42.04 | 40.18 | 41.61 | 102K | +0.63% |
| 2026-05-05 | 39.69 | 41.89 | 39.50 | 41.35 | 120K | +3.79% |
| 2026-05-04 | 41.70 | 41.73 | 39.50 | 39.84 | 146K | -4.94% |
| 2026-05-01 | 41.09 | 41.93 | 41.00 | 41.91 | 144K | +2.65% |
| 2026-04-30 | 40.38 | 41.06 | 39.73 | 40.83 | 107K | +2.59% |
| 2026-04-29 | 41.61 | 41.61 | 39.77 | 39.80 | 164K | -4.00% |
| 2026-04-28 | 41.50 | 42.17 | 40.91 | 41.46 | 191K | +0.27% |
| 2026-04-27 | 40.47 | 41.42 | 40.31 | 41.35 | 117K | +2.66% |
| 2026-04-24 | 39.00 | 40.48 | 39.00 | 40.28 | 167K | +4.22% |
| 2026-04-23 | 38.12 | 38.80 | 37.66 | 38.65 | 128K | +1.68% |
| 2026-04-22 | 38.06 | 38.06 | 37.42 | 38.01 | 81K | +1.31% |
| 2026-04-21 | 37.55 | 38.03 | 36.74 | 37.52 | 146K | +0.21% |
| 2026-04-20 | 37.41 | 37.96 | 37.35 | 37.44 | 71K | -0.66% |
| 2026-04-17 | 36.92 | 38.12 | 36.56 | 37.69 | 128K | +1.92% |
| 2026-04-16 | 37.35 | 37.85 | 36.75 | 36.98 | 101K | -1.49% |
| 2026-04-15 | 37.72 | 38.27 | 37.44 | 37.54 | 100K | -2.34% |
| 2026-04-14 | 38.08 | 38.80 | 37.95 | 38.44 | 120K | +0.05% |
| 2026-04-13 | 37.45 | 38.48 | 36.84 | 38.42 | 90K | +2.62% |
| 2026-04-10 | 37.07 | 37.50 | 37.07 | 37.44 | 82K | +1.08% |
| 2026-04-09 | 37.21 | 37.61 | 36.70 | 37.04 | 145K | -0.86% |
| 2026-04-08 | 37.20 | 37.50 | 36.93 | 37.36 | 183K | +1.88% |
| 2026-04-07 | 35.75 | 36.70 | 35.62 | 36.67 | 213K | +2.46% |
| 2026-04-06 | 37.31 | 37.31 | 35.68 | 35.79 | 208K | -4.02% |
| 2026-04-02 | 36.94 | 37.84 | 36.87 | 37.29 | 193K | -0.96% |
| 2026-04-01 | 38.59 | 38.93 | 37.54 | 37.65 | 198K | -2.66% |
| 2026-03-31 | 38.61 | 39.09 | 37.97 | 38.68 | 169K | +1.15% |
| 2026-03-30 | 38.47 | 38.54 | 38.00 | 38.24 | 198K | +0.84% |
| 2026-03-27 | 38.32 | 38.32 | 37.54 | 37.92 | 133K | -2.19% |
| 2026-03-26 | 37.65 | 38.84 | 37.65 | 38.77 | 230K | +2.38% |
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Start ComparisonKOP — Frequently Asked Questions
Quick answers to the most common questions about buying KOP stock.
How has KOP stock performed recently?
KOP returned +64.4% over the past year, beating its 5-year annualized CAGR of +1.5%. The stock trades above its 200-day moving average, confirming the uptrend.
What is KOP's all-time high price?
Koppers Holdings Inc. reached $58.23 on 2024-02-29. The 52-week high is $42.41. Current 1-year return of +64.4% places the stock closer to historical peaks.
Where can I download KOP historical price data?
This page provides KOP daily OHLCV data with 50-day MA, 200-day MA, and RSI indicators. Data spans 2011-2026, downloadable in CSV format.