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Comparative Price Performance Over Time

Compare Price & Volume

Company	Current Price	50-Day Moving Average	52-Week Range	Market Cap	Beta	Avg. Volume	Today's Volume
AMTX Aemetis	$2.65 +4.3%	$2.71	$1.22 ▼ $4.73	$160.63M	1.49	776,210 shs	818,075 shs
ARQ ARQ	$7.36 -0.4%	$5.96	$3.34 ▼ $8.11	$315.49M	1.78	323,053 shs	264,967 shs
VGAS Verde Clean Fuels	$2.82 -4.7%	$3.16	$2.50 ▼ $4.54	$125.63M	-0.47	11,673 shs	12,269 shs
ZTEK Zentek	$0.65 -5.1%	$0.98	$0.50 ▼ $1.84	$68.07M	0.47	44,805 shs	61,508 shs

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Compare Price Performance

Company	1-Day Performance	7-Day Performance	30-Day Performance	90-Day Performance	1-Year Performance
AMTX Aemetis	0.00%	+2.01%	-20.38%	+44.32%	-3.79%
ARQ ARQ	0.00%	+0.54%	+27.41%	+63.13%	+5.42%
VGAS Verde Clean Fuels	0.00%	+11.28%	-2.31%	-13.95%	-22.11%
ZTEK Zentek	0.00%	-10.00%	-22.71%	-55.58%	-28.00%

Compare MarketRank™

Company	Overall Score	Analyst's Opinion	Short Interest Score	Dividend Strength	ESG Score	News and Social Media Sentiment	Company Ownership	Earnings & Valuation
AMTX Aemetis	1.5977 of 5 stars	3.5	1.0	0.0	0.0	0.6	1.7	0.6
ARQ ARQ	2.4398 of 5 stars	3.6	1.0	0.0	0.0	2.2	2.5	0.6
VGAS Verde Clean Fuels	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A
ZTEK Zentek	0.5089 of 5 stars	0.0	3.0	0.0	0.0	3.6	0.0	0.0

Compare Analyst Forecasts

Company	Consensus Rating Score	Consensus Rating	Consensus Price Target	% Upside from Current Price
AMTX Aemetis	3.00	Buy	$17.00	541.51% Upside
ARQ ARQ	3.25	Buy	$10.00	35.87% Upside
VGAS Verde Clean Fuels	0.00	N/A	N/A	N/A
ZTEK Zentek	0.00	N/A	N/A	N/A

Current Analyst Ratings Breakdown

Latest ZTEK, ARQ, AMTX, and VGAS Analyst Ratings

Date	Company	Brokerage	Action	Rating	Price Target
8/7/2025	ARQ ARQ	Canaccord Genuity Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Buy ➝ Buy	$8.00 ➝ $10.00
7/15/2025	ARQ ARQ	Craig Hallum Subscribe to MarketBeat All Access for the recommendation accuracy rating	Initiated Coverage	Buy	$10.00
6/30/2025	AMTX Aemetis	UBS Group Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Buy ➝ Buy	$2.20 ➝ $3.00
6/27/2025	ARQ ARQ	Fearnley Fonds Subscribe to MarketBeat All Access for the recommendation accuracy rating	Upgrade	Strong-Buy
6/6/2025	AMTX Aemetis	Ascendiant Capital Markets Subscribe to MarketBeat All Access for the recommendation accuracy rating	Boost Price Target	Buy ➝ Buy	$19.00 ➝ $20.00

(Data available from 8/25/2022 forward. View 10+ years of historical ratings with our analyst ratings screener.)

Compare Sales & Book Value

Company	Annual Revenue	Price/Sales	Cashflow	Price/Cash	Book Value	Price/Book
AMTX Aemetis	$267.64M	0.63	N/A	N/A	($5.16) per share	-0.51
ARQ ARQ	$108.96M	2.88	$0.10 per share	76.02	$5.17 per share	1.42
VGAS Verde Clean Fuels	N/A	N/A	N/A	N/A	$0.65 per share	N/A
ZTEK Zentek	$1.22M	55.80	N/A	N/A	$0.10 per share	6.50

Compare Profitability & Earnings

Company	Net Income	EPS	Trailing P/E Ratio	Forward P/E Ratio	P/E Growth	Net Margins	Return on Equity (ROE)	Return on Assets (ROA)	Next Earnings Date
AMTX Aemetis	-$87.54M	-$1.62	0.00	N/A	N/A	-36.70%	N/A	-33.18%	11/11/2025 (Estimated)
ARQ ARQ	-$5.11M	-$0.04	0.00	30.67	N/A	-1.40%	-0.07%	-0.05%	11/6/2025 (Estimated)
VGAS Verde Clean Fuels	-$3.33M	-$0.41	N/A	∞	N/A	N/A	-9.44%	-8.79%	N/A
ZTEK Zentek	-$7.22M	-$0.05	N/A	∞	N/A	-981.17%	-55.41%	-45.62%	11/13/2025 (Estimated)

Latest ZTEK, ARQ, AMTX, and VGAS Earnings

Date	Quarter	Company	Consensus Estimate	Reported EPS	Beat/Miss	Gap EPS	Revenue Estimate	Actual Revenue
8/14/2025	Q1 2026	ZTEK Zentek	N/A	-$0.01	N/A	-$0.01	N/A	$0.04 million
8/13/2025	Q2 2025	VGAS Verde Clean Fuels	N/A	-$0.07	N/A	-$0.07	N/A	N/A
8/11/2025	Q2 2025	ARQ ARQ	-$0.01	-$0.01	N/A	-$0.05	$25.56 million	$28.58 million
8/7/2025	Q2 2025	AMTX Aemetis	-$0.35	-$0.41	-$0.06	-$0.41	$78.68 million	$52.24 million
6/26/2025	Q4 2025	ZTEK Zentek	N/A	-$0.01	N/A	-$0.01	N/A	$0.57 million

Compare Dividends

Company	Annual Payout	Dividend Yield	3-Year Dividend Growth	Payout Ratio	Years of Consecutive Growth
AMTX Aemetis	N/A	N/A	N/A	N/A	N/A
ARQ ARQ	N/A	N/A	N/A	N/A	N/A
VGAS Verde Clean Fuels	N/A	N/A	N/A	N/A	N/A
ZTEK Zentek	N/A	N/A	N/A	N/A	N/A

Compare Debt

Company	Debt-to-Equity Ratio	Current Ratio	Quick Ratio
AMTX Aemetis	N/A	0.06	0.02
ARQ ARQ	0.04	1.10	0.65
VGAS Verde Clean Fuels	N/A	21.81	21.81
ZTEK Zentek	0.12	1.62	1.30

Compare Ownership

Institutional Ownership

Company	Institutional Ownership
AMTX Aemetis	27.02%
ARQ ARQ	18.49%
VGAS Verde Clean Fuels	15.61%
ZTEK Zentek	0.77%

Insider Ownership

Company	Insider Ownership
AMTX Aemetis	15.90%
ARQ ARQ	23.89%
VGAS Verde Clean Fuels	0.54%
ZTEK Zentek	N/A

Compare Miscellaneous Stats

Company	Employees	Shares Outstanding	Free Float	Optionable
AMTX Aemetis	160	63.24 million	53.19 million	Optionable
ARQ ARQ	140	42.69 million	32.49 million	N/A
VGAS Verde Clean Fuels	2	44.55 million	44.31 million	Not Optionable
ZTEK Zentek	24	104.71 million	N/A	Not Optionable

ZTEK, ARQ, AMTX, and VGAS Headlines

Recent News About These Companies

Zentek Ltd. (NASDAQ:ZTEK) Short Interest Up 35.5% in July

August 22 at 2:06 AM | americanbankingnews.com

Zentek Ltd. (NASDAQ:ZTEK) Short Interest Update

August 21, 2025 | marketbeat.com

Zentek (NASDAQ:ZTEK) Releases Quarterly Earnings Results

August 16, 2025 | marketbeat.com

Zentek (NASDAQ:ZTEK) Trading 1.5% Higher - Time to Buy?

August 14, 2025 | marketbeat.com

Zentek Announces Management Transition - Morningstar

July 13, 2025 | morningstar.comM

Zentek Announces Management Transition - Seeking Alpha

July 13, 2025 | seekingalpha.com

Zentek CEO Greg Fenton to exit in 2026 as firm shifts focus

July 13, 2025 | investing.com

Zentek Announces Management Transition

July 11, 2025 | accessnewswire.comA

Zentek Provides Regulatory Update on ZenGUARD(TM) Enhanced Air Filters

June 26, 2025 | accessnewswire.comA

Zentek Announces Test Results Validating ZenGUARD(TM) Enhanced Air Filters as a High-Performance Solution for ASHRAE Standard 241 Compliance

June 12, 2025 | accessnewswire.comA

Zentek Ltd.: Zentek Announces Agreement with RSK Environment Limited to Expand International Reach of ZenGUARD Enhanced Air Filters

May 27, 2025 | finanznachrichten.de

Zentek Announces Agreement with RSK Environment Limited to Expand International Reach of ZenGUARD(TM) Enhanced Air Filters

May 27, 2025 | accessnewswire.comA

Zentek Completes Sale of Corporate Office Property

May 15, 2025 | tipranks.com

Zentek Ltd.: Zentek Announces Completion of Sale of Corporate Court Office

May 15, 2025 | finanznachrichten.de

Zentek Announces Completion of Sale of Corporate Court Office

May 15, 2025 | accessnewswire.comA

Zentek Ltd.: Zentek Announces Purchase Order from Dexterra Group Inc. for ZenGUARD Enhanced Air Filters

April 29, 2025 | finanznachrichten.de

Zentek Announces Purchase Order from Dexterra Group Inc. for ZenGUARD(TM) Enhanced Air Filters

April 29, 2025 | accessnewswire.comA

Zentek completes first phase of Innovative Solutions Canada contract

April 24, 2025 | markets.businessinsider.com

Zentek Provides Update on ~$1.1 Million Innovative Solutions Canada Contract to Develop an Avian Influenza Countermeasure (H5N1) Using its Multivalent Aptamer Technology

April 23, 2025 | accessnewswire.comA

Zentek Sells Corporate Office in Strategic Asset Review

April 17, 2025 | tipranks.com

Zentek Announces Sale of Corporate Court Office

April 17, 2025 | accessnewswire.comA

New MarketBeat Followers Over Time

Media Sentiment Over Time

ZTEK, ARQ, AMTX, and VGAS Company Descriptions

Aemetis NASDAQ:AMTX

$2.65 +0.11 (+4.33%)

Closing price 04:00 PM Eastern

Extended Trading

$2.66 +0.01 (+0.38%)

As of 05:29 PM Eastern

Aemetis, Inc. operates as a renewable natural gas and renewable fuels company. It operates through three segments: California Ethanol, California Dairy Renewable Natural Gas, and India Biodiesel. The company focuses on the operation, acquisition, development, and commercialization of technologies to produce low and negative carbon intensity renewable fuels that replace fossil-based products. In addition, it produces and sells ethanol; and wet distillers grains, distillers corn oil, and condensed distillers solubles to dairies and feedlots as animal feed. Further, the company markets and supplies USP alcohol and hand sanitizer; and produces renewable natural gas, as well as distilled biodiesel from various vegetable oil and animal waste feedstocks. Additionally, it researches and develops conversion technologies using waste feedstocks to produce biofuels and biochemicals. Furthermore, it sells biodiesel primarily to government oil marketing companies. Aemetis, Inc. is headquartered in Cupertino, California.

ARQ NASDAQ:ARQ

$7.36 -0.03 (-0.41%)

Closing price 04:00 PM Eastern

Extended Trading

$7.34 -0.02 (-0.20%)

As of 04:47 PM Eastern

Arq, Inc. is a holding company. It engages in the provision of environmental and emission control equipment to the power generation industry. The company operates through the following Segments: Refined Coal and Advanced Purification Technologies. The Refined Coal segment includes the Tinuum Group, Tinuum Services, and GWN Manager. The Advanced Purification Technologies segment refers to the sale of Activated Carbon Injection and Dry Sorbent Injection equipment systems, chemical sales, consulting services, and other sales related to the reduction of emissions in the coal-fired electric generation process and the electric utility industry. The company was founded in 1996 and is headquartered in Greenwood Village, CO.

Verde Clean Fuels NASDAQ:VGAS

$2.82 -0.14 (-4.73%)

Closing price 04:00 PM Eastern

Extended Trading

$2.88 +0.06 (+1.95%)

As of 05:57 PM Eastern

Verde Clean Fuels, Inc., operates as a clean energy technology company in the United States. It specializes in the conversion of synthesis gas, or syngas, derived from feedstocks, such as biomass, natural gas, and other feedstocks into liquid hydrocarbons that can be used as gasoline through proprietary liquid fuels technology. Verde Clean Fuels, Inc. was founded in 2007 and is headquartered in Houston, Texas.

Zentek NASDAQ:ZTEK

$0.65 -0.03 (-5.09%)

Closing price 03:59 PM Eastern

Extended Trading

$0.65 +0.00 (+0.45%)

As of 04:10 PM Eastern

Zentek Ltd., together with its subsidiaries, engages in the research and development of graphene and related nanomaterials in Canada. The company develops graphene-based antimicrobial coating under the ZenGUARD brand, surgical masks, HVAC filters, personal protective equipment, rapid detection point of care diagnostics tests, and pharmaceutical products based on graphene-based compounds. It is also developing graphene oxide synthesis and graphene synthesis. In addition, the company owns 100% interest in the Albany graphite project located in Northern Ontario, Canada. The company was formerly known as ZEN Graphene Solutions Ltd. and changed its name to Zentek Ltd. in October 2021. Zentek Ltd. was incorporated in 2008 and is headquartered in Guelph, Canada.

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Comparative Price Performance Over Time