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 NASDAQ:ADN OTCMKTS:CAPC NASDAQ:POLA NASDAQ:XPON 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 VolumeADNAdvent Technologies$1.83-1.6%$2.23$1.71▼$8.79$4.97M0.7393,670 shs24,734 shsCAPCCapstone Cos.$0.03-7.6%$0.03$0.00▼$0.08$1.83M-0.3290,270 shs15,105 shsPOLAPolar Power$1.96-2.5%$1.87$1.53▼$4.69$5.05M0.4127,720 shs14,737 shsXPONExpion360$1.13-3.4%$1.01$0.60▼$45.00$3.68M0.122.97 million shs73,661 shs7 Stocks to Buy And Hold ForeverEnter your email address and we'll send you MarketBeat's list of seven stocks and why their long-term outlooks are very promising. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceADNAdvent Technologies-1.61%-8.04%-12.02%-24.38%-59.42%CAPCCapstone Cos.-7.61%+2.41%+10.03%+78.95%+94.29%POLAPolar Power-2.49%-6.89%+5.95%-4.16%-37.40%XPONExpion360-3.42%-21.53%+20.29%+24.18%-97.61%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationADNAdvent Technologies0.0827 of 5 stars0.03.00.00.00.00.00.0CAPCCapstone Cos.0.2367 of 5 stars0.03.00.00.00.01.70.0POLAPolar Power0.4228 of 5 stars0.03.00.00.00.01.70.6XPONExpion3600.9155 of 5 stars0.05.00.00.00.60.01.3Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceADNAdvent Technologies 0.00N/AN/AN/ACAPCCapstone Cos. 0.00N/AN/AN/APOLAPolar Power 0.00N/AN/AN/AXPONExpion360 0.00N/AN/AN/ACompare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookADNAdvent Technologies$3.28M1.49N/AN/A($8.08) per share-0.23CAPCCapstone Cos.$140K12.06$0.00 per share13.95$0.01 per share3.40POLAPolar Power$13.97M0.35N/AN/A$3.39 per share0.58XPONExpion360$6.70M0.53N/AN/A$1.20 per share0.94Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateADNAdvent Technologies-$40.99M-$26.97N/A∞N/AN/AN/A-258.92%8/11/2025 (Estimated)CAPCCapstone Cos.-$960K-$0.01N/A∞N/AN/AN/A-24.56%8/11/2025 (Estimated)POLAPolar Power-$4.68M-$2.31N/A∞N/A-27.30%-39.10%-19.68%8/13/2025 (Estimated)XPONExpion360-$13.48M-$116.55N/AN/AN/A-185.56%-429.56%-124.42%N/ALatest CAPC, POLA, ADN, and XPON EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails6/30/2025Q4 2025ADNAdvent TechnologiesN/A-$1.24N/A-$1.24N/A$0.13 million5/15/2025Q1 2025POLAPolar PowerN/A-$0.50N/A-$0.50N/A$1.72 millionCompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthADNAdvent TechnologiesN/AN/AN/AN/AN/ACAPCCapstone Cos.N/AN/AN/AN/AN/APOLAPolar PowerN/AN/AN/AN/AN/AXPONExpion360N/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioADNAdvent TechnologiesN/A0.060.06CAPCCapstone Cos.N/A0.150.15POLAPolar PowerN/A1.640.20XPONExpion3600.061.500.38Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipADNAdvent Technologies17.52%CAPCCapstone Cos.N/APOLAPolar Power26.10%XPONExpion36034.50%Insider OwnershipCompanyInsider OwnershipADNAdvent Technologies4.16%CAPCCapstone Cos.40.00%POLAPolar Power32.50%XPONExpion3601.56%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableADNAdvent Technologies2002.67 million2.56 millionNo DataCAPCCapstone Cos.949.64 million29.79 millionNot OptionablePOLAPolar Power1002.51 million1.70 millionNot OptionableXPONExpion360203.15 million3.10 millionNot OptionableCAPC, POLA, ADN, and XPON HeadlinesRecent News About These CompaniesExpion360 to Host Second Quarter 2025 Financial Results Conference Call on Wednesday, August 13, 2025 at 4:30 p.m. Eastern TimeJuly 29, 2025 | globenewswire.comExpion360 (NASDAQ:XPON) Trading Down 9.7% - Should You Sell?July 29, 2025 | americanbankingnews.comExpion360 Inc. (NASDAQ:XPON) Q1 2025 Earnings Call TranscriptMay 17, 2025 | insidermonkey.comExpion360 Inc. (XPON) Q1 2025 Earnings Call TranscriptMay 15, 2025 | seekingalpha.comExpion360 Reports First Quarter 2025 Financial ResultsMay 15, 2025 | globenewswire.comExpion360 to Host First Quarter 2025 Financial Results Conference Call on Thursday, May 15, 2025 at 4:30 p.m. Eastern TimeMay 1, 2025 | globenewswire.comExpion360 Q4 net loss ($251,647) vs. ($2M) last yearApril 1, 2025 | markets.businessinsider.comExpion360 Inc. (XPON) Q4 2024 Earnings Call TranscriptMarch 31, 2025 | seekingalpha.comExpion360 Reports Fourth Quarter and Full Year 2024 Financial ResultsMarch 31, 2025 | globenewswire.comExpion360 Inc. Announces Conference Call to Discuss Q4 and Full Year 2024 Financial Results and 2025 InitiativesMarch 18, 2025 | quiverquant.comQExpion360 to Host Fourth Quarter and Full Year 2024 Financial Results Conference Call on Monday, March 31, 2025 at 4:30 p.m. Eastern TimeMarch 18, 2025 | globenewswire.comExpion360’s COO Paul Shoun Returns from Medical LeaveFebruary 14, 2025 | tipranks.comExpion360 reports closing of $2.6M registered direct offering, private placementJanuary 4, 2025 | markets.businessinsider.comExpion360 Inc. Closes $2.6 Million Direct Offering and Private Placement with Institutional InvestorsJanuary 3, 2025 | quiverquant.comQExpion360 Inc. Announces Closing of $2.6 Million Registered Direct Offering and Private Placement Priced at the Market Under Nasdaq RulesJanuary 3, 2025 | globenewswire.comExpion360 reports preliminary Q4 revenue $1.8M-$2M vs $1.4M last quarterJanuary 3, 2025 | markets.businessinsider.comExpion360 announces $2.6M registered direct, private placements priced ATMJanuary 2, 2025 | markets.businessinsider.comExpion360 Inc. Announces $2.6 Million Registered Direct and Private Placements Priced at the Market Under Nasdaq RulesJanuary 2, 2025 | globenewswire.comWhy Is Lithium Battery Company Expion360 Stock Surging Today?January 2, 2025 | benzinga.comExpion360 Sees Lower Loss, Higher Revenue In Q4; Stock Up In Pre-marketJanuary 2, 2025 | markets.businessinsider.comMedia Sentiment Over TimeCAPC, POLA, ADN, and XPON Company DescriptionsAdvent Technologies NASDAQ:ADN$1.83 -0.03 (-1.61%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$1.82 -0.01 (-0.27%) As of 08/1/2025 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.Advent Technologies Holdings, Inc., an advanced materials and technology development company, operates in the fuel cell and hydrogen technology markets in North America, Europe, and Asia. It develops, manufactures, and assembles fuel cell systems and critical components that determine the performance of hydrogen fuel cells and other energy systems. The company offers high-temperature proton exchange membrane (HT-PEM) fuel cells, including membrane electrode assemblies, bipolar plates, and reformers, as well as provides fuel-cell stack assembly and testing services. It serves stationary power, portable power, automotive, aviation, energy storage, and sensor markets. The company is headquartered in Boston, Massachusetts.Capstone Cos. OTCMKTS:CAPC$0.03 0.00 (-7.61%) As of 08/1/2025 12:02 PM EasternCapstone Companies, Inc., through its subsidiaries, operates as a designer, manufacturer, and marketer of consumer products to simplify daily living through technology. The company offers Connected Chef, a purpose-built kitchen appliance tablet with an integrated platform for cooking accessories, such as cutting board, as well as Smart Mirrors. It sells its products through sales agents, as well as directly to home-goods chain retailers. The company was formerly known as CHDT Corporation and changed its name to Capstone Companies, Inc. in June 2012. Capstone Companies, Inc. was incorporated in 1996 and is headquartered in Deerfield Beach, Florida.Polar Power NASDAQ:POLA$1.96 -0.05 (-2.49%) Closing price 08/1/2025 03:50 PM EasternExtended Trading$1.98 +0.03 (+1.28%) As of 08/1/2025 05:12 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.Polar Power, Inc. designs, manufactures, and sells direct current (DC) power generators, renewable energy, and cooling systems in the United States and internationally. The company offers DC base power systems, DC hybrid power systems, DC solar hybrid power systems, and mobile power systems. Its DC power systems are available in diesel, natural gas, LPG/propane, and renewable fuel formats. It serves customers in the telecommunications, military, commercial, industrial, and marine markets. In addition, the company sells its products through a direct sales force, and independent service providers and dealers. The company was formerly known as Polar Products, Inc. and changed its name to Polar Power, Inc. in October 1991. Polar Power, Inc. was incorporated in 1979 and is based in Gardena, California.Expion360 NASDAQ:XPON$1.13 -0.04 (-3.42%) Closing price 08/1/2025 04:00 PM EasternExtended Trading$1.11 -0.02 (-1.77%) As of 08/1/2025 07:44 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.Expion360 Inc. designs, assembles, manufactures, and sells lithium iron phosphate batteries and supporting accessories under the VPR 4EVER name for recreational vehicles, marine, golf, industrial, residential, and off-the-grid applications. It provides battery monitors; direct current battery chargers; various models of industrial tie-downs; power generators AURA POWERCAP; terminal blocks; and bus bars. The company also engages in the development of e360 Home Energy Storage systems; e360 SmartTalk mobile application. It serves dealers, wholesalers, private label customers, and original equipment manufacturers in the United States and internationally. The company was formerly known as Yozamp Products Company, LLC and changed its name to Expion360 Inc. in November 2021. Expion360 Inc. was founded in 2016 and is headquartered in Redmond, Oregon. 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