Arq (ARQ) vs ClearSign Technologies (CLIR)
Head-to-head comparison of performance, valuation, growth, profitability and dividends. Prices delayed 15 minutes; data as of Oct 9, 2026.
Summary
ClearSign Technologies (CLIR) has outperformed Arq (ARQ) over the past year, losing 68.3% versus a loss of 70.0%. Over five years, ARQ leads with a -67.9% price change compared with -83.4% for CLIR. Arq is the larger company by market cap ($91.9 million vs $21.2 million), about 4.3 times the size.
Summary generated from market data by MetaCap's automated system. Methodology
Relative performance
Percent change in share price from the first common trading day shown; excludes dividends.
Head-to-head
| Metric | ARQ | CLIR |
|---|---|---|
| Share price | $2.11 | $3.11 |
| Market cap | $91.92M | $21.17M |
| 1-day change | +2.93% | -5.76% |
| YTD return | -35.63% | -44.46% |
| 1-year return | -69.97% | -68.27% |
| 5-year return | -67.91% | -83.37% |
| Forward P/E | 52.63 | — |
| EPS (TTM) | $-1.27 | $-1.00 |
| Dividend yield | 0.00% | 0.00% |
| Annual dividend | $0.00 | $0.00 |
| 52-week high | $7.37 | $10.20 |
| 52-week low | $1.54 | $3.11 |
| Distance from 52-week high | -71.44% | -69.51% |
| Analyst consensus | none | none |
| Avg. price target upside | +91.45% | +543.09% |
| Average volume | 225.51K | 16.99K |
| Shares outstanding | 43.67M | 6.81M |
| Employees | 201 | 16 |
| Sector | Industrials | Industrials |
| Industry | Major Chemicals | Industrial Machinery/Components |
Highlighted cells mark the higher value for growth, returns, margins and yield, and the lower value for P/E ratios. Highlighting is a mechanical comparison, not a recommendation.
Key differences
- Arq is about 4.3 times larger than ClearSign Technologies by market value ($91.92M vs $21.17M).
About Arq
ARQ stock →Arq, Inc., an environmental technology company, engages in the sale of consumable air, water, and soil treatment solutions based on activated carbon in the United States and Canada. Its products include granular activated carbon, powdered activated carbon, and colloidal carbon products; and additives for air emissions control.
Industrials · Major Chemicals · 201 employees
About ClearSign Technologies
CLIR stock →ClearSign Technologies Corporation designs and develops products and technologies for the purpose of decarbonization and improving key performance characteristics of industrial and commercial systems in the United States and the People's Republic of China. The company's technologies include ClearSign core burner technology consists of an industrial burner body and a downstream porous ceramic or metal flame stabilizing structure; ClearSign core process burner technology that provides a direct burner replacement for traditional refinery process heaters; ClearSign core boiler burner technology; ClearSign core flaring burners that can be used to provide a flare product with extremely low nitrogen oxide emissions; and ClearSign eye flame sensor, an electrical flame sensor for industrial applications.
Industrials · Industrial Machinery/Components · 16 employees
ARQ vs CLIR FAQ
Which is bigger, Arq or ClearSign Technologies?
Arq (ARQ) is larger, with a market capitalization of $91.92M compared with $21.17M for ClearSign Technologies (CLIR).
Which stock has performed better over the past year, ARQ or CLIR?
CLIR returned -68.27% over the past 12 months, compared with -69.97% for ARQ (price return, excluding dividends). Past performance does not predict future results.
Are Arq and ClearSign Technologies in the same industry?
Both are in the Industrials sector, but in different industries: Major Chemicals for Arq and Industrial Machinery/Components for ClearSign Technologies.