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Stocks to Compare Sections All Sections Selected Performance Chart Price & Volume MarketRank Analyst Ratings Sales & Book Value Profitability & Earnings Dividends Debt Ownership Miscellaneous Headlines About Compare NASDAQ:AMTX NASDAQ:ARQ NASDAQ:SAFX NASDAQ:ZTEK On This Page Performance ChartPrice & VolumeMarketRank™Analyst RatingsSales & Book ValueProfitability & EarningsDividendsDebtOwnershipMiscellaneousHeadlinesAbout Comparison Ideas Stock Ideas Comparative Price Performance Over Time1 day7 days30 days90 days365 daysCompare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeAMTXAemetis$2.09-5.9%$2.62$1.30▼$3.80$156.21M1.361.12 million shs1.57 million shsARQARQ$2.69+1.5%$2.46$1.54▼$7.89$113.75M1.99236,628 shs281,396 shsSAFXXCF Global Capital$0.37-2.7%$0.46$0.12▼$29.45$126.41M-0.343.61 million shs3.33 million shsZTEKZentek$0.48-2.7%$0.59$0.40▼$1.50$53.33M0.46186,108 shs182,627 shs7 Stocks to Buy Before the Robotics RevolutionRobotics and automation are rapidly becoming essential infrastructure across healthcare, manufacturing, logistics, and many other industries. "Physical AI" is coming to the United States, and there are four ways that investors can gain exposure to this new robotics revolution. Plus, learn which seven companies are most positioned to benefit as intelligent robots enter the workforce. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAMTXAemetis-1.33%-15.91%-14.29%+41.40%+13.85%ARQARQ+1.92%-5.02%+0.38%+61.59%-50.00%SAFXXCF Global Capital-5.49%-22.43%-9.93%+33.13%+38,009,900.00%ZTEKZentek-5.21%-15.59%-34.96%-24.69%-67.05%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeAMTXAemetis$2.09-5.9%$2.62$1.30▼$3.80$156.21M1.361.12 million shs1.57 million shsARQARQ$2.69+1.5%$2.46$1.54▼$7.89$113.75M1.99236,628 shs281,396 shsSAFXXCF Global Capital$0.37-2.7%$0.46$0.12▼$29.45$126.41M-0.343.61 million shs3.33 million shsZTEKZentek$0.48-2.7%$0.59$0.40▼$1.50$53.33M0.46186,108 shs182,627 shs7 Stocks to Buy Before the Robotics RevolutionRobotics and automation are rapidly becoming essential infrastructure across healthcare, manufacturing, logistics, and many other industries. "Physical AI" is coming to the United States, and there are four ways that investors can gain exposure to this new robotics revolution. Plus, learn which seven companies are most positioned to benefit as intelligent robots enter the workforce. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAMTXAemetis-1.33%-15.91%-14.29%+41.40%+13.85%ARQARQ+1.92%-5.02%+0.38%+61.59%-50.00%SAFXXCF Global Capital-5.49%-22.43%-9.93%+33.13%+38,009,900.00%ZTEKZentek-5.21%-15.59%-34.96%-24.69%-67.05%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAMTXAemetis 2.33Hold$8.92326.63% UpsideARQARQ 2.60Moderate Buy$7.50178.81% UpsideSAFXXCF Global Capital 1.67Reduce$0.408.11% UpsideZTEKZentek 1.00SellN/AN/ACurrent Analyst Ratings BreakdownLatest ZTEK, AMTX, SAFX, and ARQ Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/22/2026AMTXAemetis Ascendiant Capital MarketsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetBuy$21.00 ➝ $22.005/8/2026SAFXXCF Global Capital Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeSell (D) ➝ Sell (D+)4/20/2026AMTXAemetis Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingSell (E+)4/20/2026ARQARQ Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingSell (D-)4/20/2026ZTEKZentek Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingSell (E+)4/13/2026SAFXXCF Global Capital Roth MkmSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingNeutral4/8/2026AMTXAemetis Ascendiant Capital MarketsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingBoost Price TargetBuy$20.00 ➝ $21.003/19/2026SAFXXCF Global Capital Zacks ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeHold3/18/2026SAFXXCF Global Capital Roth MkmSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingInitiated CoverageNeutral$0.403/12/2026AMTXAemetis Loop CapitalSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingSet Price Target$1.753/11/2026ARQARQ Canaccord Genuity GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetBuy$7.50 ➝ $5.00(Data available from 6/9/2023 forward. View 10+ years of historical ratings with our analyst ratings screener.)Compare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAMTXAemetis$197.63M0.74N/AN/A($4.63) per share-0.45ARQARQ$120.34M0.96$1.16 per share2.31$3.93 per share0.68SAFXXCF Global Capital$20.82M5.91$0.35 per share1.06$0.18 per share2.06ZTEKZentek$630K82.40N/AN/A$0.10 per share4.78Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateAMTXAemetis-$77M-$1.19N/AN/AN/A-35.43%N/A-33.44%8/6/2026 (Estimated)ARQARQ-$52.61M-$1.29N/A33.63N/A-43.93%-2.67%-2.00%8/10/2026 (Estimated)SAFXXCF Global Capital$74.02M-$0.68N/AN/AN/A300.85%-588.22%-29.08%N/AZTEKZentek-$7.22M-$0.05N/AN/AN/A-875.49%-60.84%-45.12%7/1/2026 (Estimated)Latest ZTEK, AMTX, SAFX, and ARQ EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails7/1/2026N/AZTEKZentek-$0.0309N/AN/AN/A$0.31 millionN/A5/15/2026Q1 2026SAFXXCF Global Capital-$0.05-$0.07-$0.02-$0.07N/A$0.35 million5/7/2026Q1 2026AMTXAemetis-$0.27-$0.33-$0.06-$0.33$66.70 million$54.62 million5/6/2026Q1 2026ARQARQ-$0.02-$0.02N/A-$0.02$27.75 million$29.05 million3/31/2026Q4 2025SAFXXCF Global CapitalN/A-$0.17N/A-$0.17N/A$4.69 million3/12/2026Q4 2025AMTXAemetis-$0.28-$0.24+$0.04-$0.08$72.07 million$43.31 million3/9/2026Q4 2025ARQARQ-$0.05-$0.07-$0.02-$1.20$28.59 million$29.43 millionCompare DividendsCompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive GrowthAMTXAemetisN/AN/AN/AN/AN/AARQARQN/AN/AN/AN/AN/ASAFXXCF Global CapitalN/AN/AN/AN/AN/AZTEKZentekN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioAMTXAemetisN/A0.090.06ARQARQ0.051.020.58SAFXXCF Global CapitalN/A0.020.02ZTEKZentek0.141.000.74Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAMTXAemetis27.02%ARQARQ18.49%SAFXXCF Global Capital52.34%ZTEKZentek0.77%Insider OwnershipCompanyInsider OwnershipAMTXAemetis13.00%ARQARQ20.10%SAFXXCF Global Capital0.12%ZTEKZentekN/ACompare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAMTXAemetis16070.37 million61.22 millionOptionableARQARQ14042.93 million34.30 millionN/ASAFXXCF Global CapitalN/A332.56 million332.16 millionN/AZTEKZentek24108.62 millionN/ANot OptionableZTEK, AMTX, SAFX, and ARQ HeadlinesRecent News About These CompaniesZentek Granted U.S. Patent for ZenGUARD(TM) Graphene-Based TechnologyJune 9 at 11:11 AM | newsfilecorp.comNComparing Enpro (NYSE:NPO) and Zentek (NASDAQ:ZTEK)June 3, 2026 | americanbankingnews.comZentek Announces Closing of Fully Subscribed Brokered LIFE Offering for Gross Proceeds of C$18 MillionMay 27, 2026 | newsfilecorp.comNZentek Announces That Its Brokered LIFE Offering Is Oversubscribed and Fully AllocatedMay 19, 2026 | newsfilecorp.comNZentek Ltd. Common Stock (ZTEK)May 18, 2026 | nasdaq.comZentek Announces Brokered LIFE Offering for Gross Proceeds of up to C$15 MillionMay 14, 2026 | newsfilecorp.comNZentek's ZenGUARD(TM) Enhanced Air Filters Now Available for Direct Procurement by All Federal Departments and AgenciesMay 13, 2026 | newsfilecorp.comNZentek Accepting Canadian Commercial Orders for ZenGUARD(TM) Enhanced Air Filters Following Health Canada Regulatory ClassificationMay 6, 2026 | newsfilecorp.comNAlbany Graphite Launches Year Two Environmental and Social Baseline Program with ERM and Constance Lake First NationApril 28, 2026 | newsfilecorp.comNAlbany Graphite Executes Agreement with AETC for Certified Samples and Process Engineering, Completing the Set of Three Independent Workstreams Feeding the PEAApril 21, 2026 | newsfilecorp.comNAlbany Graphite Corp. Engages AppEco for Independent Market Research and Economic AnalysisApril 16, 2026 | newsfilecorp.comNTriera Biosciences Completes Innovative Solutions Canada Contract, Advances Platform Toward New Candidate DevelopmentApril 14, 2026 | newsfilecorp.comNAlbany Graphite Corp. Engages Micon International to Complete New PEA for Albany Graphite ProjectApril 9, 2026 | newsfilecorp.comNZentek Engages ICP Securities Inc. for Automated Market Making ServicesApril 1, 2026 | newsfilecorp.comNTriera Biosciences - a Zentek Company - Launches Contract Research Organization Services for Custom Aptamer Discovery, Biosensor Enablement, and Machine-Learning ClassificationMarch 25, 2026 | accessnewswire.comAZentek Ltd. Receives Favorable Judgment in Long-Standing LitigationMarch 13, 2026 | accessnewswire.comAZentek Ltd.: Zentek Provides PDAC 2026 Update - Government and First Nations EngagementMarch 9, 2026 | finanznachrichten.deZentek Provides PDAC 2026 Update - Government and First Nations EngagementMarch 9, 2026 | accessnewswire.comAZentek Ltd.: Zentek Announces Pilot Evaluation Program with Quality Filters Inc.March 4, 2026 | finanznachrichten.deZentek Announces Pilot Evaluation Program with Quality Filters Inc.March 4, 2026 | accessnewswire.comANew MarketBeat Followers Over TimeMedia Sentiment Over TimeZTEK, AMTX, SAFX, and ARQ Company DescriptionsAemetis NASDAQ:AMTX$2.09 -0.13 (-5.86%) Closing price 04:00 PM EasternExtended Trading$2.09 0.00 (0.00%) As of 07:29 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.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$2.69 +0.04 (+1.51%) Closing price 04:00 PM EasternExtended Trading$2.70 +0.00 (+0.19%) As of 04:10 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.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.XCF Global Capital NASDAQ:SAFX$0.37 -0.01 (-2.66%) Closing price 04:00 PM EasternExtended Trading$0.40 +0.03 (+7.03%) As of 07:59 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.XCF Global Capital Inc. is a player in decarbonizing the aviation industry through Sustainable Aviation Fuel. XCF Global Capital Inc., formerly known as Focus Impact BH3 Acquisition Company, is based in RENO, NV.Zentek NASDAQ:ZTEK$0.48 -0.01 (-2.67%) Closing price 04:00 PM EasternExtended Trading$0.51 +0.03 (+7.14%) As of 05:20 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.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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