Koppers Holdings Inc. (KOP) stock
Close on Nov 12, 2026Market cap $599.50MP/E –Yield 1.01%
Koppers Holdings Inc. saw revenue fall 0.9% to $1.91B over the twelve months to Sep 30, 2026. Operating income fell 151.2% to -$63.70M, moving the operating margin from 6.5% to -3.3%. Free cash flow was $120.50M, up 26.7% from a year earlier. At the latest close the market valued the company at $599.50M.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $599.50M
- P/E ratio
- –
- Price to sales
- 0.31
- Price to book
- 1.49
- Dividend yield
- 1.01%
- Free cash flow yield
- 20.10%
Fundamentals
- Revenue
- $1.91B
- Net income
- -$96.00M
- EPS, diluted
- -$5.15
- Free cash flow
- $120.50M
- Book value per share
- $20.47
- Diluted shares
- 20M
Trading
- Next earnings
- Feb 25, 2027 (estimated, before the open)
- Previous close
- $31.26
- Open
- $31.20
- Day's range
- $31.20 – $32.49
- Volume
- 249,878
- Average volume (20 days)
- 197,699
- Index membership
- S&P SmallCap 600, Russell 2000, Russell 3000
- Beta (5 years)
- 1.07
- 52-week range
- $26.52 – $53.00
- RSI (14 days)
- 27.8
- Volatility (1 year)
- 43.5%
- Relative volume
- 1.41×
- WACC
- 7.3%
On 1 of our idea list: High F-Score value
Index membership is inferred from the holdings of funds that track each index (SPSM, IJR, IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2009, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | KOP | S&P 500 | Difference | KOP per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -26.5% | -2.7% | −23.8 pts | ||
| 3 months | -29.9% | -1.7% | −28.2 pts | ||
| Year to date | +17.8% | +11.9% | +5.9 pts | ||
| 1 year | +12.1% | +12.0% | +0.1 pts | ||
| 3 years | -21.4% | +78.2% | −99.6 pts | -7.7% | +21.2% |
| 5 years | -4.9% | +73.2% | −78.1 pts | -1.0% | +11.6% |
| 10 years | -9.6% | +309.6% | −319.2 pts | -1.0% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Koppers filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Update
- Results
- Results
- Results
About Koppers
Lumber & Wood Products (No Furniture)
Koppers Holdings Inc. produces treated wood products, wood preservation chemicals, and carbon compounds. The company operates through three principal business segments: Railroad and Utility Products and Services, Performance Chemicals, and Carbon Materials and Chemicals. Its key product lines include pressure-treated railroad crossties, utility poles, rail joint bars, copper-based preservatives, fire-retardant chemicals, creosote, carbon pitch, and naphthalene. The company serves industrial customers across multiple end-markets, notably commercial railroads, electric and telephone utilities, residential lumber treaters, and producers of aluminum, steel, and concrete.
Company profile, executives and historyKoppers stock: common questions
What is Koppers's stock price?
KOP closed at $31.70 on Nov 12, 2026, up 1.41% on the day. Over the past 52 weeks it traded between $26.52 and $53.00.
What is Koppers's market cap?
Koppers was worth $599.50M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is KOP's P/E ratio?
Koppers lost money over the twelve months to Sep 30, 2026 (diluted EPS -$5.15), so it has no meaningful P/E ratio.
How much revenue does Koppers make?
Koppers reported revenue of $1.91B for the twelve months to Sep 30, 2026, down 0.9% from a year earlier.
Does Koppers pay a dividend?
Yes. Koppers paid $0.32 per share over the last twelve months, a yield of 1.01% at the latest price, and has raised its annual dividend 3 years in a row.
When does Koppers report earnings next?
Koppers is expected to report Q4 FY2026 results on Feb 25, 2027, before the open. The date is estimated from its past reporting pattern until the company confirms it.
How has KOP stock performed over the past year?
Including dividends, KOP returned +12.1% over the past year, against +12.0% for the S&P 500.
How many KOP shares are sold short?
1M shares were sold short at the latest FINRA report, 4.28% of the float, or 4.7 days of average trading volume.
Who are Koppers's competitors?
Companies most similar to Koppers by business, industry and size include LPX, TREX, UFPI, MERC, NGVT.
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