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NASDAQ · ARQMaterialsMiscellaneous Chemicals

Arq, Inc. Common Stock (ARQ)

$1.85+0.54%
Close Nov 4, 2026 · split-adjusted
Nov 3, 2026$1.84▼ 72.12% in range
Nov 3, 2025Low $1.64 · High $6.60Nov 3, 2026
What changed · written from our data
As of Nov 4, 2026

Arq closed at $1.85 on Nov 4, up 0.54%, 72.0% below its 52-week closing high. Volume of 607.9K shares was 2.51× its 20-day average (well above normal).

Split-adjusted performance: -9.8% over one month, -19.9% over six months, -72.0% over one year.

In the quarter ended Jun 30, 2026, revenue was $29.88M, up 4.5% from a year earlier, with a net margin of -2.5%.

Short interest was 444.9K shares at the Oct 15 settlement, down 10.6% from the prior report (1.3% of float, 2.2 days to cover).

Market cap$80.8M43.7M shares
Revenue · quarter$29.9M+4.5% YoY
Diluted EPS$-0.02—
P/E · TTM—P/S 0.7×
Net margin-2.5%Gross 38.5%
Dividend yieldNone
52-week range1.64 – 6.60−72.0% from high
Volume607.9K2.51× 20-day avg
Volatility · 60d43.2%Annualised
Short % of float1.3%2.2 days to cover
Net cash-$29.8MCash $906.0K
Next earnings—Not scheduled
Split-adjusted performance
1W 0.0%1M −9.8%3M −12.3%6M −19.9%YTD −43.4%1Y −72.0%3Y —5Y —

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Miscellaneous Chemicals

Percentile among 8 companies (100 = best)

6-month momentum43
Revenue growth14
Net margin29
Value (low P/E)—
Size14

Industry medians: 6-month return −14.4%, revenue growth +7.8%, net margin 0.5%, P/E 30.7×.

Short interest

Details →
Shares short444.9K−10.6% vs prior
Days to cover2.2Settled Oct 15
% of float1.3%
Short vol. 10d44.0%of daily volume

Closest peers by size in Miscellaneous Chemicals

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
ARQArq$1.85+0.54%−19.9%+4.5%−2.5%—$80.8M
FSIFlexible Solutions International$6.27+1.95%+1.1%−33.1%−25.1%—$80.1MCompare
ASPIASP Isotopes$1.91+5.52%−65.5%+327.6%−655.6%—$292.8MCompare
OECOrion$5.87+6.73%−28.4%+7.4%0.4%—$331.8MCompare
FTKFlotek Industries$24.72−0.48%+51.4%+70.3%10.0%23.6$895.4MCompare
WDFCWd-40 Co$233.00+5.23%+10.5%+8.1%8.2%37.9$3.12BCompare
CBTCabot$75.10+4.31%−8.9%+6.4%0.6%20.2$3.88BCompare
ESIElement Solutions$33.44−4.65%−24.4%+51.7%6.6%39.8$8.15BCompare

News about Arq

All news →
Are Options Traders Betting on a Big Move in Arq Stock?Zacks Investment Research · Oct 13, 2026▼ NegativeArq Appoints Peter Owino as Chief Accounting OfficerGlobeNewswire Inc. · Aug 28, 2026▲ PositiveARQ INVESTIGATION ALERT: Bragar Eagel & Squire, P.C. is Investigating Arq, Inc. on Behalf of Arq Stockholders and Encourages Investors to Contact the FirmGlobeNewswire Inc. · Mar 21, 2026▼ NegativeINVESTOR ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Arq, Inc. - ARQGlobeNewswire Inc. · Mar 17, 2026▼ Negative

Quick answers

What does Arq do?
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.
What is ARQ's market cap?
$80.79M, based on the Nov 4 close of $1.85.
Does Arq pay a dividend?
No regular cash dividend has been paid in the last year.
How much of ARQ is sold short?
444.9K shares, 1.3% of float, as of Oct 15, 2026.
What sector is ARQ in?
Materials, in the Miscellaneous Chemicals industry.

About Arq

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.

HQ: Greenwood Village, CO202 employeesListed Oct 22, 2003arq.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology