Range Low Price High Price Comment
30 days $44.51 $52.25 Friday, 31st Jul 2026 KOP stock ended at $49.02. This is 0.0817% more than the trading day before Thursday, 30th Jul 2026. During the day the stock fluctuated 3.73% from a day low at $47.81 to a day high of $49.60.
90 days $38.13 $52.25
52 weeks $25.18 $52.25

Historical Koppers Holdings Inc prices

Date Open High Low Close Volume
Jul 31, 2026 $48.04 $49.60 $47.81 $49.02 110 148
Jul 30, 2026 $49.95 $50.29 $48.57 $48.98 135 162
Jul 29, 2026 $50.54 $50.54 $48.70 $49.21 100 989
Jul 28, 2026 $49.99 $51.13 $48.89 $50.20 86 390
Jul 27, 2026 $50.25 $50.76 $48.58 $49.61 91 266
Jul 24, 2026 $50.15 $50.65 $48.83 $50.22 120 254
Jul 23, 2026 $50.94 $51.28 $49.91 $49.96 180 369
Jul 22, 2026 $52.01 $52.25 $50.37 $51.17 70 756
Jul 21, 2026 $49.56 $51.48 $49.56 $51.47 112 198
Jul 20, 2026 $49.17 $50.07 $48.55 $49.20 200 770
Jul 17, 2026 $48.64 $49.44 $48.32 $49.14 146 173
Jul 16, 2026 $48.46 $50.00 $48.06 $49.05 169 247
Jul 15, 2026 $48.74 $49.30 $48.00 $48.47 111 842
Jul 14, 2026 $47.96 $49.00 $47.96 $48.53 47 799
Jul 13, 2026 $48.13 $48.16 $47.30 $47.77 82 684
Jul 10, 2026 $46.96 $48.12 $46.49 $47.56 87 569
Jul 09, 2026 $46.90 $47.23 $46.56 $46.59 110 338
Jul 08, 2026 $46.61 $47.49 $46.23 $47.40 110 804
Jul 07, 2026 $47.10 $47.32 $45.13 $46.76 202 924
Jul 06, 2026 $45.74 $47.68 $45.74 $47.10 115 024
Jul 02, 2026 $44.97 $48.63 $44.97 $46.21 209 978
Jul 01, 2026 $44.78 $45.56 $44.51 $44.56 86 544
Jun 30, 2026 $45.09 $45.54 $44.65 $44.90 84 547
Jun 29, 2026 $44.73 $45.45 $44.01 $45.36 105 085
Jun 26, 2026 $44.33 $45.12 $44.01 $45.12 171 656

FAQ

What are historical stock prices?
Historical stock prices refer to a stock’s recorded prices at various past points. These prices include several key figures that help investors and analysts evaluate a stock’s performance over time:
Open: Open price for the trading day.
High: Highest price for the trading day.
Low: Lowest price for the trading day.
Close: Close price for the trading day.

Additionally, historical prices often include:
Volume is the number of shares traded during the day. It indicates how actively a stock was traded and can provide insights into market sentiment and liquidity.

How can I use KOP stock historical prices to predict future price movements?
Trend Analysis: Examine the KOP stock’s historical trends to identify patterns that might continue.
Moving Averages: Use moving averages to detect potential reversal points.
Momentum Indicators: Apply indicators like RSI or MACD to assess the momentum and strength of price movements.
Volume Analysis: Analyze trading volume alongside price changes to gauge trend strength.
Statistical Methods: Use statistical tools such as regression analysis to model and forecast future prices based on past data.
These techniques can provide insights but should be used with risk management practices to mitigate potential losses.

What impact do stock splits have on historical price data?
When a company performs a stock split, it adjusts the historical price data to reflect the new, lower trading price as if it had always been that way.

This ensures consistency for anyone analyzing the stock’s past prices. The adjustment helps prevent misleading signals on charts, such as false sell signals or bearish trends that aren’t there. For instance, in a 2-for-1 stock split, the price per share is cut in half, which would otherwise appear as a dramatic drop on the chart. If someone didn’t know about the split, they might wrongly think something negative happened to the company. Most technical indicators would also react to this apparent drop by signaling to sell.

A stock split, while making the shares seem more affordable and potentially more attractive to investors, doesn’t alter the company’s fundamental value.

Why do the KOP stock historical prices show a range for periods like 30 days, 90 days, and 52 weeks?
The range provides the lowest and highest prices at which the stock has traded during the specified period. This helps investors understand the stock’s volatility and price variability within that timeframe.

How can I use historical price volatility to assess risk?
High price volatility historically indicates higher risk and potentially higher returns. Investors can gauge the stock’s risk level by examining the range between high and low prices over various periods.
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ABOUT KOPPERS HOLDINGS INC
Koppers Holdings
Koppers Holdings Inc. provides treated wood products, wood preservation chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally. The company operates through three segments: Railroad and Utility Products and Services (RUPS), Performance Chemicals (PC), and Carbon Materials and Chemicals (CMC). The RUPS segment procures and treats crossties, switch ties, and various types of lumber used for railroad bridges a...
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