Arq, Inc. (ARQ) stock
Close on Nov 12, 2026Market cap $134.94MP/E –Yield –
Arq, Inc. grew revenue 7.3% to $126.58M over the twelve months to Sep 30, 2026. Free cash flow was $1.39M. At the latest close the market valued the company at $134.94M.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $134.94M
- P/E ratio
- –
- Price to sales
- 1.07
- Price to book
- 0.78
- Dividend yield
- –
- Free cash flow yield
- 1.03%
Fundamentals
- Revenue
- $126.58M
- Net income
- -$48.69M
- EPS, diluted
- -$1.16
- Free cash flow
- $1.39M
- Book value per share
- $4.00
- Diluted shares
- 43M
Trading
- Next earnings
- Mar 9, 2027 (estimated, during market hours)
- Previous close
- $3.12
- Open
- $3.08
- Day's range
- $2.96 – $3.12
- Volume
- 562,879
- Average volume (20 days)
- 1,020,751
- Beta (5 years)
- 1.31
- 52-week range
- $1.54 – $4.03
- RSI (14 days)
- 83.5
- Volatility (1 year)
- 81.2%
- Relative volume
- 1.42×
- WACC
- 10.8%
Market cap history
Month-end market cap since 2013, 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 | ARQ | S&P 500 | Difference | ARQ per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +57.7% | -2.7% | +60.3 pts | ||
| 3 months | +34.3% | -1.7% | +36.1 pts | ||
| Year to date | -5.5% | +11.9% | −17.4 pts | ||
| 1 year | -16.5% | +12.0% | −28.5 pts | ||
| 3 years | +50.0% | +78.2% | −28.2 pts | +14.5% | +21.2% |
| 5 years | -60.0% | +73.2% | −133.2 pts | -16.7% | +11.6% |
| 10 years | -50.8% | +309.6% | −360.5 pts | -6.9% | +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 Arq filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- News
- Results
- News
- Results
- Results
About Arq
Miscellaneous Chemical Products
Arq, Inc. is an environmental technology company that produces and sells consumable air, water, and soil treatment solutions, primarily based on activated carbon and other specialty chemicals. Its advanced purification technologies include powdered activated carbon, granular activated carbon, and colloidal carbon products designed to remove pollutants such as mercury and per- and polyfluoroalkyl substances. The company serves industrial markets, coal-fired power generation utilities, municipal drinking water and wastewater treatment facilities, and soil and groundwater remediation operations.
Company profile, executives and historyArq stock: common questions
What is Arq's stock price?
ARQ closed at $3.09 on Nov 12, 2026, down 0.96% on the day. Over the past 52 weeks it traded between $1.54 and $4.03.
What is Arq's market cap?
Arq was worth $134.94M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is ARQ's P/E ratio?
Arq lost money over the twelve months to Sep 30, 2026 (diluted EPS -$1.16), so it has no meaningful P/E ratio.
How much revenue does Arq make?
Arq reported revenue of $126.58M for the twelve months to Sep 30, 2026, up 7.3% from a year earlier.
Does Arq pay a dividend?
No. Arq has not paid a cash dividend over the last twelve months.
When does Arq report earnings next?
Arq is expected to report Q4 FY2026 results on Mar 9, 2027, during market hours. The date is estimated from its past reporting pattern until the company confirms it.
How has ARQ stock performed over the past year?
Including dividends, ARQ returned -16.5% over the past year, against +12.0% for the S&P 500.
How many ARQ shares are sold short?
0M shares were sold short at the latest FINRA report, 1.39% of the float, or 1.7 days of average trading volume.
Who are Arq's competitors?
Companies most similar to Arq by business, industry and size include FTK, FSI, ASPI, ACNT, FF.
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