Compare Stocks Compare stocks with our powerful stock comparison tool. Analyze fundamentals, price performance, and key financial indicators to make informed investment decisions. Our tool lets you compare up to ten stocks side by side based on Performance Charts, Price & Volume, MarketRank™, Analyst Ratings, Sales & Book Value, Profitability & Earnings, Dividends, Debt, Ownership, Headlines, and more. Simply enter up to ten stock symbols (e.g., BAC, JPM, WFC, C, GS) to get started and uncover top investment opportunities. 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 OTCMKTS:APGI OTCMKTS:GLGI NYSEARCA:HARD NASDAQ:KITT 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 VolumeAPGIAmerican Power Group$0.01-19.4%$0.01$0.01▼$0.02$14.45M-0.5241,288 shs183 shsGLGIGreystone Logistics$1.20+1.7%$1.26$0.89▼$1.98$32.90M0.2613,573 shs7,017 shsHARDSimplify Commodities Strategy No K-1 ETF$28.81+1.3%$28.97$23.83▼$33.65$31.69M-0.0740,016 shs7,834 shsKITTNauticus Robotics$0.86-7.8%$0.97$0.82▼$6.04$34.94M-0.031.88 million shs3.80 million shs(Almost) Everything You Need To Know About The EV MarketLooking to profit from the electric vehicle mega-trend? Enter your email address and we'll send you our list of which EV stocks show the most long-term potential.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceAPGIAmerican Power Group0.00%+41.76%-11.03%-14.00%-32.11%GLGIGreystone Logistics-2.48%+1.72%-8.17%-6.35%-15.29%HARDSimplify Commodities Strategy No K-1 ETF+0.46%+1.79%-3.46%-2.27%+18.85%KITTNauticus Robotics+1.11%-3.16%-4.43%-10.80%-59.10%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationAPGIAmerican Power GroupN/AN/AN/AN/AN/AN/AN/AN/AGLGIGreystone LogisticsN/AN/AN/AN/AN/AN/AN/AN/AHARDSimplify Commodities Strategy No K-1 ETFN/AN/AN/AN/AN/AN/AN/AN/AKITTNauticus Robotics0.7789 of 5 stars0.04.00.00.03.20.80.0Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceAPGIAmerican Power Group 0.00N/AN/AN/AGLGIGreystone Logistics 0.00N/AN/AN/AHARDSimplify Commodities Strategy No K-1 ETF 0.00N/AN/AN/AKITTNauticus Robotics 0.00N/AN/AN/ACompare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookAPGIAmerican Power Group$3.36M3.47N/AN/AN/A∞GLGIGreystone Logistics$61.78M0.54$0.37 per share3.28$0.85 per share1.41HARDSimplify Commodities Strategy No K-1 ETF$29.57M1.07N/AN/AN/A∞KITTNauticus Robotics$1.81M17.79N/AN/A($2.09) per share-0.41Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateAPGIAmerican Power Group-$1MN/A0.00∞N/AN/AN/AN/AN/AGLGIGreystone Logistics$5.03M$0.0913.33∞N/A5.43%12.63%5.82%10/16/2025 (Estimated)HARDSimplify Commodities Strategy No K-1 ETFN/AN/A0.00∞N/AN/AN/AN/AN/AKITTNauticus Robotics-$134.91M-$28.86N/A∞N/A-7,217.38%N/A-108.80%8/12/2025 (Estimated)Latest APGI, KITT, HARD, and GLGI EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails8/12/2025Q2 2025KITTNauticus RoboticsN/A-$0.26N/A-$0.26N/AN/A5/14/2025Q4 2024KITTNauticus RoboticsN/A-$0.26N/A-$0.28N/A$0.17 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthAPGIAmerican Power GroupN/AN/AN/AN/AN/AGLGIGreystone LogisticsN/AN/AN/AN/AN/AHARDSimplify Commodities Strategy No K-1 ETF$1.013.51%N/AN/AN/AKITTNauticus RoboticsN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioAPGIAmerican Power GroupN/AN/AN/AGLGIGreystone Logistics0.431.671.29HARDSimplify Commodities Strategy No K-1 ETFN/AN/AN/AKITTNauticus Robotics18.060.780.72Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipAPGIAmerican Power GroupN/AGLGIGreystone Logistics10.33%HARDSimplify Commodities Strategy No K-1 ETFN/AKITTNauticus Robotics20.50%Insider OwnershipCompanyInsider OwnershipAPGIAmerican Power Group75.84%GLGIGreystone LogisticsN/AHARDSimplify Commodities Strategy No K-1 ETFN/AKITTNauticus Robotics19.81%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableAPGIAmerican Power Group201.12 billion270.70 millionNot OptionableGLGIGreystone Logistics20027.88 millionN/ANot OptionableHARDSimplify Commodities Strategy No K-1 ETFN/A1.10 millionN/ANot OptionableKITTNauticus Robotics437.30 million29.91 millionNot OptionableAPGI, KITT, HARD, and GLGI HeadlinesRecent News About These CompaniesNauticus Robotics, Inc. (KITT) Q2 2025 Earnings Call TranscriptAugust 12 at 1:13 PM | seekingalpha.comNauticus Robotics, Inc.: Nauticus Robotics Announces Results for the Second Quarter of 2025August 12 at 6:56 AM | finanznachrichten.deNauticus Robotics Announces Results for the Second Quarter of 2025August 11 at 8:22 PM | prnewswire.comNauticus Robotics Secures New Funding Through Stock AgreementAugust 8, 2025 | theglobeandmail.comNauticus Robotics Announces Timing of 2025 Second Quarter Investor Earnings Conference CallAugust 7, 2025 | prnewswire.comNauticus Robotics Signs Master Services Agreement with Advanced Ocean SystemsJuly 29, 2025 | prnewswire.comNauticus Robotics Announces Interim CFO TransitionJuly 28, 2025 | prnewswire.comNauticus Robotics Announces an Excellent Start to the 2025 Offshore Season - Seeking AlphaJuly 9, 2025 | seekingalpha.comNauticus Robotics Announces an Excellent Start to the 2025 Offshore SeasonJuly 7, 2025 | prnewswire.comNauticus Robotics and Open Ocean Robotics Forge Strategic Collaboration to Transform Subsea Asset ManagementJune 5, 2025 | prnewswire.com3 Under-the-Radar Penny Stocks With 10x Potential By 2028May 17, 2025 | moneymorning.comMNauticus Robotics, Inc.: Nauticus Robotics Reports Strong Start to 2025May 15, 2025 | finanznachrichten.deNauticus Robotics, Inc. (KITT) Q1 2025 Earnings Call TranscriptMay 15, 2025 | seekingalpha.comNauticus Robotics Reports Strong Start to 2025May 14, 2025 | prnewswire.comNauticus Robotics Announces Timing of 2025 First Quarter Investor Earnings Conference CallMay 9, 2025 | prnewswire.comNauticus Robotics Announces Participation in May ConferencesMay 7, 2025 | prnewswire.comNauticus Robotics Announces Start of the 2025 Offshore SeasonApril 24, 2025 | prnewswire.comEarnings call transcript: Nauticus Robotics Q4 2024 sees revenue drop, stock downApril 18, 2025 | uk.investing.comNauticus Robotics, Inc. (KITT) Q4 2024 Earnings Call TranscriptApril 16, 2025 | seekingalpha.comNauticus Robotics, Inc.: Nauticus Robotics Announces Results for Year-End 2024April 16, 2025 | finanznachrichten.deNew MarketBeat Followers Over TimeMedia Sentiment Over Time Top HeadlinesView All HeadlinesWhy the American Eagle Stock Rally Isn't Just Speculation By Gabriel Osorio-Mazilli | July 28, 20253 Short Squeeze Candidates With Big Catalysts on the HorizonBy Dan Schmidt | July 25, 20253 Stocks Riding the AI Data Center Buildout WaveBy Chris Markoch | August 6, 2025IBM: The Last Time This Happened, the Stock Rallied 35%By Sam Quirke | August 12, 2025Why Monolithic Power's Earnings and Guidance Ignited a RallyBy Jeffrey Neal Johnson | August 7, 2025APGI, KITT, HARD, and GLGI Company DescriptionsAmerican Power Group OTCMKTS:APGI$0.01 0.00 (-19.38%) As of 12:21 PM EasternAmerican Power Group Corporation provides patented dual fuel conversion system for primary and back-up diesel generators, and mid-to heavy-duty vehicular diesel engines in North America and internationally. It operates through two segments, Dual Fuel Conversion Operations and Natural Gas Liquids Operations. The company's dual fuel conversion system is a fuel delivery enhancement system that converts existing diesel engines into engines, which run on diesel fuel and compressed natural gas or liquefied natural gas; diesel fuel and pipeline gas, well-head gas, or approved bio-methane; and diesel. It also provides flare capture and recovery services to oil and gas production companies. The company was formerly known as GreenMan Technologies, Inc. and changed its name to American Power Group Corporation in August 2012. American Power Group Corporation was founded in 1992 and is headquartered in Algona, Iowa.Greystone Logistics OTCMKTS:GLGI$1.20 +0.02 (+1.69%) As of 01:10 PM EasternGreystone Logistics, Inc., through its subsidiaries, manufactures and markets plastic pallets and pelletized recycled plastic resins in the United States. The company offers rackable, can, nestable, display, monoblock, half-barrel and slim keg stackable, drum, and mid duty pallets. It sells its pallets directly, as well as through a network of independent contractor distributors. The company was formerly known as PalWeb Corporation and changed its name to Greystone Logistics, Inc. in March 2005. Greystone Logistics, Inc. was incorporated in 1969 and is based in Tulsa, Oklahoma.Simplify Commodities Strategy No K-1 ETF NYSEARCA:HARD$28.81 +0.37 (+1.30%) Closing price 04:10 PM EasternExtended Trading$28.76 -0.05 (-0.17%) 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 Polygon.io. Learn more.The Simplify Commodities Strategy No K-1 ETF (HARD) is an exchange-traded fund that mostly invests in broad market commodities. The fund is an actively managed ETF that targets futures contracts on hard commodities, making use of long\u002Fshort models, anticipated to perform positivelyduring inflationary periods. HARD was launched on Mar 27, 2023 and is managed by Simplify.Nauticus Robotics NASDAQ:KITT$0.86 -0.07 (-7.80%) Closing price 04:00 PM EasternExtended Trading$0.87 +0.01 (+0.87%) As of 07:48 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 Polygon.io. Learn more.Nauticus Robotics, Inc. develops ocean robots, cloud software, and services to the ocean industry. The company offers Aquanaut, an autonomous underwater vehicle with sensor suite, which provides capability to observe and inspect subsea assets or other subsea features; Olympic Arm, an all-electric manipulator designed for a variety of intervention tasks on work class remotely operated vehicles; and ToolKITT, a software platform, which consists of interrelated products for ocean sensing, manipulation, autonomous behaviors, survey, search and recovery, and manual intervention. The company was founded in 2014 and is headquartered in Webster, Texas. 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