Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
Koppers HoldingsKOP -0.35%66 Debt-to-EBITDA is 6.05 as of Mar. 2026, which is 31% above its 10-year median of 4.62. GuruFocus rates KOP with a GF Score™ of 66/100 and a GF Value™ of $34.63 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 1,234 Chemicals companies, Koppers Holdings ranks worse than 69.85% on this metric.
Debt-to-EBITDA measures a company's ability to pay off its debt.
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt. According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
The historical rank and industry rank for Koppers Holdings's Debt-to-EBITDA or its related term are showing as below:
KOP'
s Debt-to-EBITDA Range Over the Past 10 Years
Min: 3.68 Med: 4.62 Max: 7.28
Current: 4.16
During the past 13 years, the highest Debt-to-EBITDA Ratio of Koppers Holdings was 7.28. The lowest was 3.68. And the median was 4.62.
KOP's Debt-to-EBITDA is ranked worse than 69.85% of 1234
companies
in the Chemicals industry
Industry Median: 2.155
vs KOP: 4.16
A high Debt-to-EBITDA ratio generally means that a company may spend more time to paying off its debt.
According to Joel Tillinghast's BIG MONEY THINKS SMALL: Biases, Blind Spots, and Smarter Investing, a ratio of Debt-to-EBITDA exceeding four is usually considered scary unless tangible assets cover the debt.
Koppers Holdings Debt-to-EBITDA Related Terms
Koppers Holdings Debt-to-EBITDA Historical Data
* Premium members only.
The historical data trend for Koppers Holdings's Debt-to-EBITDA can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Specialty Chemicals subindustry, Koppers Holdings's Debt-to-EBITDA, along with its competitors' market caps and Debt-to-EBITDA data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Koppers Holdings Debt-to-EBITDA vs Chemicals Industry
For the Chemicals industry and Basic Materials sector, Koppers Holdings's Debt-to-EBITDA distribution charts can be found below:
* The bar in red indicates where Koppers Holdings's Debt-to-EBITDA falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
In the calculation of annual Debt-to-EBITDA, the EBITDA of the last fiscal year is used. In calculating the annualized quarterly data,
the EBITDA data used here is four times the quarterly (Mar. 2026) EBITDA data.
Koppers Holdings (KOP) has a Debt-to-EBITDA of 6.05 as of Mar. 2026. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Koppers Holdings. This is 31% above median its historical median of 4.62. Over the past decade, Koppers Holdings' Debt-to-EBITDA has ranged from 3.68 to 7.28. According to the industry distribution chart, Koppers Holdings ranks #862 out of 1234 companies in the Chemicals industry, placing it in the top 69.9%.
Is Koppers Holdings' Debt-to-EBITDA too high?
Koppers Holdings' current Debt-to-EBITDA of 6.05 is 31% above median its 10-year median of 4.62. Over the past 10 years, this metric has ranged from a low of 3.68 to a high of 7.28. The Chemicals industry median Debt-to-EBITDA is 2.16. Koppers Holdings' value of 6.05 is 180.7% above this industry median. Based on the distribution chart, Koppers Holdings ranks #862 out of 1234 companies in the Chemicals industry, which is below the industry midpoint. Overall, Koppers Holdings has a GF Score™ of 66/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Koppers Holdings' Debt-to-EBITDA compare to KRO and LWLG?
According to the Chemicals industry distribution chart, Koppers Holdings ranks #862 out of 1234 companies for Debt-to-EBITDA. This places Koppers Holdings in the lower half of its industry. The industry median Debt-to-EBITDA is 2.16. Koppers Holdings' value of 6.05 is 180.7% above this benchmark. Historically, Koppers Holdings' own Debt-to-EBITDA has ranged from 3.68 to 7.28 over the past decade. While the company's 10-year median is 4.62 vs. the industry median of 2.16, Koppers Holdings has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Debt-to-EBITDA for a Chemicals company?
The median Debt-to-EBITDA among Chemicals companies is 2.16, based on 1,234 companies in the industry. Companies in the top quartile (top 25%) have a Debt-to-EBITDA significantly above this median, while those in the bottom quartile fall well below. However, Debt-to-EBITDA should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Koppers Holdings's current Debt-to-EBITDA of 6.05 is 180.7% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Debt-to-EBITDA mean?
A high Debt-to-EBITDA can signal that a stock is expensive relative to its fundamentals. Debt-to-EBITDA ratio represents the ratio of total debt to total earnings before interest, taxes, depreciation and amortization. View historical data on Koppers Holdings. For the Chemicals industry, the median Debt-to-EBITDA is 2.16 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Koppers Holdings's current Debt-to-EBITDA is 6.05, which is 31% above median its own 10-year median of 4.62. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Koppers Holdings stock overvalued right now?
Based on GuruFocus' analysis, Koppers Holdings (KOP) is currently considered Significantly Overvalued. The stock's GF Value™ is $34.63, compared to a current price of $50.99 — trading 47.2% above its estimated fair value. The current Debt-to-EBITDA is 6.05, which is 31% above median its 10-year median of 4.62 and 180.7% above the Chemicals industry median of 2.16. Koppers Holdings' overall GF Score™ is 66/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-EBITDA calculated?
Debt-to-EBITDA is calculated from a company's financial statements. For Koppers Holdings (KOP), the current Debt-to-EBITDA is 6.05 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Koppers Holdings (KOP) Overvalued in 2026?
Based on GuruFocus' analysis, Koppers Holdings stock appears to be overvalued.
The current stock price of $50.99 is trading 47.2% above its estimated GF Value™ of $34.63.
GuruFocus considers Koppers Holdings to be Significantly Overvalued.
Key valuation signals for KOP:
Debt-to-EBITDA: 6.05 (31% above median its 10-year median of 4.62)
GF Value™: $34.63 vs. price of $50.99 (47.2% above fair value)
Industry Position: 180.7% above the Chemicals median (#862 of 1234)
No single metric tells the full story. See the KOP stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Koppers Holdings Inc through its subsidiaries, manufactures and sells wood products, wood treatment chemicals, and carbon compounds used in markets such as railroad, aluminum and steel, agriculture, utilities, and residential lumber. The company is organized into three business segments: railroad and utility products and services, performance chemicals, and carbon materials and chemicals. Its product portfolio includes treated and untreated wood products like crossties used in railroads, wood preservation chemicals, and carbon compounds such as creosote used in the treatment of wood crossties, among others. The majority of its revenue comes from the company's railroad and utility products and services segment, and more than half of the company's revenue is earned in the United States.
66GF Score
Get the complete analysis for KOP
Debt-to-EBITDA is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
KOP has been successfully added to your 
