Arq (STU:OXQ1) EV-to-FCF: -50.16 (As of Jul. 22, 2026)

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Director of Data and Quant Analytics at GuruFocus
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Founder & CEO of GuruFocus
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STU:OXQ1 Arq Inc STU:OXQ1
62 GF Score
Price €1.81
GF Value €3.91
Valuation Possible Value Trap
! 5 Warning Signs
View Full Analysis

What is Arq EV-to-FCF?

Arq STU:OXQ1 -1.09% 62 EV-to-FCF is -50.16 as of Jul. 22, 2026. GuruFocus rates STU:OXQ1 with a GF Score™ of 62/100 and a GF Value™ of €3.91 (Possible Value Trap). The stock has 5 warning signs investors should review. Among 1,733 Industrial Products companies, Arq ranks worse than 57703.35% on this metric.

EV-to-FCF is calculated as enterprise value divided by its free cash flow. As of today, Arq's Enterprise Value is €107.3 Mil. Arq's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 was €-2.1 Mil. Therefore, Arq's EV-to-FCF for today is -50.16.

The historical rank and industry rank for Arq's EV-to-FCF or its related term are showing as below:

STU:OXQ1' s EV-to-FCF Range Over the Past 10 Years
Min: -539.3   Med: -3.3   Max: 65.51
Current: -50.14

During the past 13 years, the highest EV-to-FCF of Arq was 65.51. The lowest was -539.30. And the median was -3.30.

STU:OXQ1's EV-to-FCF is ranked worse than
100% of 1733 companies
in the Industrial Products industry
Industry Median: 24.45 vs STU:OXQ1: -50.14

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.

As of today (2026-07-22), Arq's stock price is €1.81. Arq's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Mar. 2026 was €-1.102. Therefore, Arq's PE Ratio (TTM) for today is At Loss.


Arq  (STU:OXQ1) EV-to-FCF Explanation

EV-to-FCF is a valuation multiple that allows analysts and investors to compare stocks, preferably in the same sector or industry. This important multiple is often used in conjunction with, or as an alternative to, the PE Ratio (TTM) to determine the fair market value of a company.

Arq's PE Ratio (TTM) for today is calculated as:

PE Ratio (TTM)=Share Price (Today)/Earnings per Share (Diluted) (TTM)
=1.81/-1.102
=At Loss

Arq's share price for today is €1.81.
Arq's Earnings per Share (Diluted) for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €-1.102.

* 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.

Enterprise Value is used because it is a more complete measure in reflecting how much an investor pays when buying a company. Free Cash Flow is an important financial metric because it represents the actual amount of cash at a company's disposal. Companies with a low EV-to-FCF ratio, combined with a strong balance sheet are generally considered as undervalued.


Arq EV-to-FCF Related Terms


Arq EV-to-FCF Historical Data

* Premium members only.

The historical data trend for Arq's EV-to-FCF 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.

Arq EV-to-FCF Chart

Arq Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
EV-to-FCF
Get a 7-Day Free Trial Premium Member Only Premium Member Only 2.85 0.49 -1.93 -4.54 -15.08

Arq Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
EV-to-FCF Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only -2.75 -4.78 -7.33 -15.08 -58.09

STU:OXQ1 vs FTEK, BCHT, SCWO: EV-to-FCF Comparison

For the Pollution & Treatment Controls subindustry, Arq's EV-to-FCF, along with its competitors' market caps and EV-to-FCF 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.


Arq EV-to-FCF vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Arq's EV-to-FCF distribution charts can be found below:

* The bar in red indicates where Arq's EV-to-FCF falls into.


STU:OXQ1
62GF Score
Arq Inc STU:OXQ1
EV-to-FCF is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Arq EV-to-FCF Calculation

Arq's EV-to-FCF for today is calculated as:

EV-to-FCF=Enterprise Value (Today)/Free Cash Flow (TTM)
=107.336/-2.14
=-50.16

Arq's current Enterprise Value is €107.3 Mil.
Arq's Free Cash Flow for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was €-2.1 Mil.

* 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.

Frequently Asked Questions Learn more about EV-to-FCF →
What does a EV-to-FCF of -50.16 mean?
Arq (STU:OXQ1) has a EV-to-FCF of -50.16 as of Jul. 22, 2026. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Arq and its competitors. According to the industry distribution chart, Arq ranks #999999 out of 1733 companies in the Industrial Products industry.
Is Arq's EV-to-FCF too high?
Arq's current EV-to-FCF is -50.16. Based on the distribution chart, Arq ranks #999999 out of 1733 companies in the Industrial Products industry, which is in the bottom quartile relative to peers. Overall, Arq has a GF Score™ of 62/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Arq's EV-to-FCF compare to FTEK and BCHT?
According to the Industrial Products industry distribution chart, Arq ranks #999999 out of 1733 companies for EV-to-FCF. This places Arq in the lower half of its industry. The industry median EV-to-FCF is 24.45. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good EV-to-FCF for an Industrial Products company?
The median EV-to-FCF among Industrial Products companies is 24.45, based on 1,733 companies in the industry. Companies in the top quartile (top 25%) have a EV-to-FCF significantly above this median, while those in the bottom quartile fall well below. However, EV-to-FCF should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high EV-to-FCF mean?
A high EV-to-FCF can signal that a stock is expensive relative to its fundamentals. EV to FCF ratio is the company's enterprise value divided by free cash flow. View historical data on Arq and its competitors. For the Industrial Products industry, the median EV-to-FCF is 24.45 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Arq's current EV-to-FCF is -50.16. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Arq stock overvalued right now?
Based on GuruFocus' analysis, Arq (STU:OXQ1) is currently considered Possible Value Trap. The stock's GF Value™ is €3.91, compared to a current price of €1.81 — trading 53.7% below its estimated fair value. The current EV-to-FCF is -50.16. Arq's overall GF Score™ is 62/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is EV-to-FCF calculated?
EV-to-FCF is calculated from a company's financial statements. For Arq (STU:OXQ1), the current EV-to-FCF is -50.16 as of Jul. 22, 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 Arq (STU:OXQ1) Overvalued in 2026?

Based on GuruFocus' analysis, Arq stock appears to be undervalued. The current stock price of €1.81 is trading 53.7% below its estimated GF Value™ of €3.91. GuruFocus considers Arq to be Possible Value Trap.

Key valuation signals for STU:OXQ1:

  • EV-to-FCF: -50.16
  • GF Value™: €3.91 vs. price of €1.81 (53.7% below fair value)
  • GF Score™: 62/100 with 5 warning signs

No single metric tells the full story. See the STU:OXQ1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Arq Business Description

Other Exchanges ARQ:USAOXQ1:Germany
Address 8051 East Maplewood Avenue, Suite 210, Greenwood Village, CO, USA, 80111
Arq Inc is an environmental technology company principally engaged in the sale of consumable air, water, and soil treatment solutions, including activated carbon (AC) and chemical technologies. The company manufactures and sells activated carbon and other chemicals used to capture and remove contaminants for the coal-fired power generation, industrial, municipal water and air, water and soil treatment, and remediation markets. Some of the products in its portfolio are Powdered Activated Carbon, Granular Activated Carbon, and Colloidal Carbon Product, among others.
62GF Score

Get the complete analysis for STU:OXQ1

EV-to-FCF is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€1.81
Price
€3.91
GF Value