Koppers Holdings Inc. (KOP) P/E Ratio History
Premium ValuationTrading at 16.5x vs 5Y avg 13.3x · 85th percentile · Premium to historical baseline · Data 2006–2026
Loading P/E history...
P/E Ratio Analysis
As of June 28, 2026, Koppers Holdings Inc. (KOP) trades at a price-to-earnings ratio of 16.5x, with a stock price of $45.12 and trailing twelve-month earnings per share of $3.83.
The current P/E is 24% above its 5-year average of 13.3x. Over the past five years, KOP's P/E has ranged from a low of 4.8x to a high of 44.7x, placing the current valuation at the 85th percentile of its historical range.
Compared to the Basic Materials sector median P/E of 22.8x, KOP trades at a 28% discount to its sector peers. The sector includes 124 companies with P/E ratios ranging from 1.0x to 151.1x.
Relative to the broader market, KOP trades at a notable discount to the S&P 500 median P/E of 25.3x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our KOP DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
KOP Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
KOP P/E vs Peers
Carbon and activated carbon materials peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $2B | 17.7 | 0.55Best | +229%Best | |
| $3B | 41.3 | 2.73 | -3% | |
| $546M | 11.3 | 5.99 | +11% | |
| $3B | 27.6 | 0.92 | +136% | |
| $5B | 15.5 | - | -10% | |
| $282M | 10.8Lowest | - | -11% | |
| $5B | 38.0 | 9.37 | +7% | |
| $5B | 36.0 | 2.81 | +21% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
KOP Historical P/E Data (2006–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | - | $38.68 | $3.80 | 10.2x | -42% |
| FY2025 Q4 | Dec 31 2025 | $27.08 | $2.77 | 9.8x | -44% |
| FY2025 Q3 | - | $28.00 | $0.80 | 35.0x | +100% |
| FY2025 Q2 | Jun 30 2025 | $32.15 | $0.72 | 44.7x | +155% |
| FY2025 Q1 | Mar 31 2025 | $28.00 | $1.16 | 24.1x | +38% |
| FY2024 Q4 | - | $32.40 | $2.43 | 13.3x | -24% |
| FY2024 Q3 | Sep 30 2024 | $36.53 | $3.52 | 10.4x | -41% |
| FY2024 Q2 | Jun 30 2024 | $36.99 | $3.65 | 10.1x | -42% |
| FY2024 Q1 | Mar 31 2024 | $55.17 | $3.55 | 15.5x | -11% |
| FY2023 Q4 | Dec 31 2023 | $51.22 | $4.15 | 12.3x | -30% |
| FY2023 Q3 | Sep 30 2023 | $39.55 | $4.21 | 9.4x | -46% |
| FY2023 Q2 | Jun 30 2023 | $34.10 | $3.90 | 8.7x | -50% |
| FY2023 Q1 | Mar 31 2023 | $34.97 | $3.30 | 10.6x | -40% |
| FY2022 Q4 | Dec 31 2022 | $28.20 | $2.98 | 9.5x | -46% |
| FY2022 Q3 | Sep 30 2022 | $20.78 | $3.34 | 6.2x | -65% |
| FY2022 Q2 | - | $22.64 | $2.90 | 7.8x | -55% |
| FY2022 Q1 | - | $27.52 | $3.57 | 7.7x | -56% |
| FY2021 Q4 | Dec 31 2021 | $31.30 | $3.88 | 8.1x | -54% |
| FY2021 Q3 | - | $31.26 | $3.73 | 8.4x | -52% |
| FY2021 Q2 | Jun 30 2021 | $32.35 | $6.79 | 4.8x | -73% |
| FY2021 Q1 | Mar 31 2021 | $34.76 | $6.96 | 5.0x | -72% |
| FY2020 Q4 | - | $31.16 | $5.71 | 5.5x | -69% |
| FY2020 Q3 | Sep 30 2020 | $20.91 | $5.81 | 3.6x | -79% |
| FY2020 Q2 | - | $18.84 | $3.22 | 5.8x | -67% |
| FY2020 Q1 | - | $12.37 | $2.53 | 4.9x | -72% |
| FY2019 Q4 | - | $38.22 | $3.16 | 12.1x | -31% |
| FY2019 Q3 | Sep 30 2019 | $29.21 | $2.07 | 14.1x | -20% |
| FY2019 Q2 | Jun 30 2019 | $29.36 | $1.48 | 19.8x | +13% |
| FY2019 Q1 | Mar 31 2019 | $25.98 | $0.81 | 32.1x | +83% |
| FY2018 Q4 | Dec 31 2018 | $17.04 | $1.06 | 16.1x | -8% |
| FY2018 Q3 | Sep 30 2018 | $31.15 | $0.48 | 64.9x | +270% |
| FY2018 Q2 | Jun 30 2018 | $38.35 | $1.04 | 36.9x | +110% |
| FY2018 Q1 | Mar 31 2018 | $41.10 | $1.91 | 21.5x | +23% |
| FY2017 Q4 | Dec 31 2017 | $50.90 | $1.30 | 39.2x | +123% |
| FY2017 Q3 | Sep 30 2017 | $46.15 | $2.31 | 20.0x | +14% |
| FY2017 Q2 | Jun 30 2017 | $36.15 | $1.98 | 18.3x | +4% |
| FY2017 Q1 | Mar 31 2017 | $42.35 | $1.65 | 25.7x | +46% |
| FY2016 Q4 | Dec 31 2016 | $40.30 | $1.39 | 29.1x | +66% |
| FY2014 Q2 | Jun 30 2014 | $38.25 | $0.91 | 42.0x | +140% |
| FY2014 Q1 | Mar 31 2014 | $41.23 | $1.52 | 27.1x | +55% |
| FY2013 Q4 | - | $45.75 | $1.94 | 23.6x | +35% |
| FY2013 Q3 | Sep 30 2013 | $42.65 | $2.79 | 15.3x | -13% |
| FY2013 Q2 | Jun 30 2013 | $38.18 | $2.64 | 14.5x | -18% |
| FY2013 Q1 | Mar 31 2013 | $43.98 | $2.93 | 15.0x | -14% |
| FY2012 Q4 | Dec 31 2012 | $38.15 | $3.15 | 12.1x | -31% |
| FY2012 Q3 | Sep 30 2012 | $34.93 | $1.81 | 19.3x | +10% |
| FY2012 Q2 | Jun 30 2012 | $34.00 | $2.12 | 16.0x | -9% |
| FY2012 Q1 | Mar 31 2012 | $38.56 | $2.10 | 18.4x | +5% |
| FY2011 Q4 | Dec 31 2011 | $34.36 | $1.78 | 19.3x | +10% |
| FY2011 Q3 | Sep 30 2011 | $25.61 | $2.72 | 9.4x | -46% |
| FY2011 Q2 | - | $37.93 | $2.39 | 15.9x | -9% |
| FY2011 Q1 | - | $42.70 | $2.21 | 19.3x | +10% |
| FY2010 Q4 | Dec 31 2010 | $35.78 | $2.14 | 16.7x | -5% |
| FY2010 Q3 | - | $26.87 | $1.24 | 21.7x | +24% |
| FY2010 Q2 | Jun 30 2010 | $22.48 | $1.29 | 17.4x | -1% |
| FY2010 Q1 | Mar 31 2010 | $28.32 | $1.08 | 26.2x | +50% |
| FY2009 Q4 | - | $30.44 | $0.92 | 33.1x | +89% |
| FY2009 Q3 | Sep 30 2009 | $29.65 | $5.24 | 5.7x | -68% |
| FY2009 Q2 | - | $26.37 | $5.68 | 4.6x | -74% |
| FY2009 Q1 | - | $14.52 | $6.27 | 2.3x | -87% |
| FY2008 Q4 | Dec 31 2008 | $21.62 | $6.70 | 3.2x | -82% |
| FY2008 Q3 | - | $37.41 | $2.95 | 12.7x | -28% |
| FY2008 Q2 | Jun 30 2008 | $41.87 | $2.93 | 14.3x | -18% |
| FY2008 Q1 | Mar 31 2008 | $44.31 | $2.84 | 15.6x | -11% |
| FY2007 Q4 | Dec 31 2007 | $43.24 | $2.71 | 16.0x | -9% |
| FY2007 Q3 | Sep 30 2007 | $38.61 | $2.97 | 13.0x | -26% |
| FY2007 Q2 | Jun 30 2007 | $33.68 | $2.34 | 14.4x | -18% |
| FY2007 Q1 | Mar 31 2007 | $25.66 | $1.51 | 17.0x | -3% |
| FY2006 Q4 | Dec 31 2006 | $26.07 | $0.60 | 43.5x | +148% |
| FY2006 Q3 | Sep 30 2006 | $18.97 | $0.45 | 41.8x | +138% |
Average P/E for displayed period: 17.5x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
20+ years return with dividends reinvested.
DCA Calculator
See how regular investing compounds over time.
Peer Comparison
Compare growth, multiples, and margins vs sector.
KOP — Frequently Asked Questions
Quick answers to the most common questions about buying KOP stock.
What is KOP's P/E ratio?
Koppers Holdings Inc. (KOP) trailing twelve-month P/E ratio is 16.5x, based on TTM diluted EPS of $3.83. The 5-year average P/E is 13.3x and the historical range spans 4.8x to 44.7x.
Is KOP stock overvalued or undervalued?
KOP trades at 16.5x P/E, above its 5-year average of 13.3x. The 85th percentile ranking within the 4.8x–44.7x historical range indicates a premium to historical valuation.
Is KOP stock expensive?
Yes, KOP is expensive relative to its own history. The current P/E of 16.5x is above the 5-year average of 13.3x. The stock sits at the 85th percentile of its 5-year valuation range.
What is KOP's historical P/E range?
Over the past 5 years, KOP's P/E ratio has ranged from 4.8x to 44.7x, with a median of 10.1x and an average of 13.3x. The current P/E of 16.5x places the stock at the 85th percentile of this range. Full historical data spans 2006–2026.
How does KOP's P/E compare to the S&P 500?
KOP trades at 16.5x P/E versus the S&P 500 median of 25.3x. The 35% discount to the market suggests lower growth expectations or perceived higher risk.
How does KOP's valuation compare to Basic Materials peers?
Koppers Holdings Inc. P/E of 16.5x compares to the Basic Materials sector median of 22.8x. The discount suggests lower growth expectations, weaker margins, or higher perceived risk relative to peers. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is KOP's PEG ratio?
KOP PEG ratio is N/A, based on a P/E of 16.5x and EPS growth of 11.4%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is KOP's earnings yield?
KOP earnings yield is 6.07%, the inverse of its 16.5x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.