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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:MNTK NASDAQ:OPTT NASDAQ:PCYO NASDAQ:RGCO 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 VolumeMNTKMontauk Renewables$1.69-1.7%$1.44$1.07▼$2.78$244.83M0.53200,003 shs147,800 shsOPTTOcean Power Technologies$0.28-4.4%$0.36$0.27▼$0.90$64.96M2.529.84 million shs10.68 million shsPCYOPure Cycle$10.61+2.0%$10.86$9.65▼$12.44$250.68M1.2457,627 shs44,849 shsRGCORGC Resources$23.33+3.8%$22.63$19.68▼$24.50$233.85M0.528,778 shs10,444 shsThe Next 7 Blockbuster Stocks for Growth InvestorsWondering what the next stocks will be that hit it big, with solid fundamentals? Click the link to see which stocks MarketBeat analysts could become the next blockbuster growth stocks.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceMNTKMontauk Renewables+3.61%-3.91%+29.32%+22.42%-14.85%OPTTOcean Power Technologies+2.30%-23.59%-14.74%-39.18%-45.14%PCYOPure Cycle-0.76%-1.05%-10.50%+3.17%+0.97%RGCORGC Resources-2.01%-1.88%-3.15%+0.18%+8.55%Compare Price & VolumeCompanyCurrent Price50-Day Moving Average52-Week RangeMarket CapBetaAvg. VolumeToday's VolumeMNTKMontauk Renewables$1.69-1.7%$1.44$1.07▼$2.78$244.83M0.53200,003 shs147,800 shsOPTTOcean Power Technologies$0.28-4.4%$0.36$0.27▼$0.90$64.96M2.529.84 million shs10.68 million shsPCYOPure Cycle$10.61+2.0%$10.86$9.65▼$12.44$250.68M1.2457,627 shs44,849 shsRGCORGC Resources$23.33+3.8%$22.63$19.68▼$24.50$233.85M0.528,778 shs10,444 shsThe Next 7 Blockbuster Stocks for Growth InvestorsWondering what the next stocks will be that hit it big, with solid fundamentals? Click the link to see which stocks MarketBeat analysts could become the next blockbuster growth stocks.Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceMNTKMontauk Renewables+3.61%-3.91%+29.32%+22.42%-14.85%OPTTOcean Power Technologies+2.30%-23.59%-14.74%-39.18%-45.14%PCYOPure Cycle-0.76%-1.05%-10.50%+3.17%+0.97%RGCORGC Resources-2.01%-1.88%-3.15%+0.18%+8.55%Compare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceMNTKMontauk Renewables 1.80Reduce$1.806.51% UpsideOPTTOcean Power Technologies 3.00Buy$1.50426.50% UpsidePCYOPure Cycle 2.00HoldN/AN/ARGCORGC Resources 3.00BuyN/AN/ACurrent Analyst Ratings BreakdownLatest OPTT, PCYO, MNTK, and RGCO Analyst RatingsDateCompanyBrokerageActionRatingPrice TargetDetails5/22/2026PCYOPure Cycle Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeHold (C+) ➝ Hold (C)5/14/2026MNTKMontauk Renewables Zacks ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeStrong-Buy ➝ Hold5/11/2026RGCORGC Resources Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeBuy (B-) ➝ Buy (B)5/6/2026OPTTOcean Power Technologies LADENBURG THALM/SH SHSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeStrong-Buy4/24/2026RGCORGC Resources Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeBuy (B) ➝ Buy (B-)4/24/2026MNTKMontauk Renewables UBS GroupSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetNeutral$2.85 ➝ $1.604/22/2026MNTKMontauk Renewables ScotiabankSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingLower Price TargetSector Perform$4.00 ➝ $2.004/21/2026MNTKMontauk Renewables Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingSell (D)4/15/2026MNTKMontauk Renewables Zacks ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingUpgradeHold ➝ Strong-Buy3/27/2026PCYOPure Cycle Weiss RatingsSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingReiterated RatingHold (C+)3/17/2026MNTKMontauk Renewables Zacks ResearchSubscribe to MarketBeat All Access for the firm's recommendation accuracy ratingDowngradeStrong-Buy ➝ Hold(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/BookMNTKMontauk Renewables$176.38M1.36$0.22 per share7.62$1.85 per share0.91OPTTOcean Power Technologies$3.44M18.91N/AN/A$0.32 per share0.89PCYOPure Cycle$26.09M9.80$0.65 per share16.25$5.93 per share1.79RGCORGC Resources$95.33M2.55$2.49 per share9.37$11.00 per share2.12Compare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateMNTKMontauk Renewables$1.75M$0.0284.5413.00N/A0.40%0.28%0.17%8/5/2026 (Estimated)OPTTOcean Power Technologies-$27.48M-$0.20N/AN/AN/A-304.91%-97.03%-72.36%N/APCYOPure Cycle$13.11M$0.5818.29N/AN/A45.80%9.75%8.65%7/8/2026 (Estimated)RGCORGC Resources$13.28M$1.3417.41N/AN/A13.01%11.87%4.19%8/10/2026 (Estimated)Latest OPTT, PCYO, MNTK, and RGCO EarningsDateQuarterCompanyConsensus EstimateReported EPSBeat/MissGap EPSRevenue EstimateActual RevenueDetails5/6/2026Q2 2026RGCORGC Resources$0.78$0.84+$0.06$0.84$38.20 million$45.46 million4/8/2026Q2 2026PCYOPure CycleN/A$0.05N/A$0.05N/A$5.17 million3/11/2026Q4 2025MNTKMontauk Renewables$0.0564$0.02-$0.0364$0.02$44.39 million$43.39 millionCompare DividendsCompanyAnnual PayoutDividend Yield5-Year Annualized Dividend GrowthPayout RatioYears of Consecutive GrowthMNTKMontauk RenewablesN/AN/AN/AN/AN/AOPTTOcean Power TechnologiesN/AN/AN/AN/AN/APCYOPure CycleN/AN/AN/AN/AN/ARGCORGC Resources$0.873.73%+3.51%64.93%22 YearsLatest OPTT, PCYO, MNTK, and RGCO DividendsAnnouncementCompanyPeriodAmountYieldEx-Dividend DateRecord DatePayable Date3/31/2026RGCORGC Resourcesquarterly$0.21753.87%4/17/20264/17/20265/1/2026(Data available from 1/1/2013 forward)Compare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioMNTKMontauk Renewables0.570.850.85OPTTOcean Power TechnologiesN/A2.791.37PCYOPure Cycle0.041.390.83RGCORGC Resources1.040.690.59Compare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipMNTKMontauk Renewables16.35%OPTTOcean Power Technologies11.93%PCYOPure Cycle51.39%RGCORGC Resources35.77%Insider OwnershipCompanyInsider OwnershipMNTKMontauk Renewables54.30%OPTTOcean Power Technologies3.90%PCYOPure Cycle6.10%RGCORGC Resources7.20%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableMNTKMontauk Renewables130142.34 million65.05 millionOptionableOPTTOcean Power Technologies50228.02 million144.58 millionOptionablePCYOPure Cycle4024.10 million22.63 millionOptionableRGCORGC Resources10010.41 million9.66 millionOptionableOPTT, PCYO, MNTK, and RGCO HeadlinesRecent News About These CompaniesRGC Resources (NASDAQ:RGCO) Stock Crosses Below 200-Day Moving Average - Here's What HappenedJune 4, 2026 | americanbankingnews.comRGC Resources Updates Investor Presentation for Market TransparencyMay 18, 2026 | tipranks.comRGC Resources Inc (RGCO) Q2 2026 Earnings Call Highlights: Strong Income Growth Amid ...May 9, 2026 | uk.finance.yahoo.comRGC Resources outlines $1.31 to $1.37 FY2026 EPS range as LNG peak shaving facility expected offline for coming winterMay 8, 2026 | seekingalpha.comRGC Resources, Inc. (RGCO) Q2 2026 Earnings Call Prepared Remarks TranscriptMay 8, 2026 | seekingalpha.comRGC Resources (RGCO) Q2 2026 Earnings TranscriptMay 8, 2026 | fool.comRGC Resources Schedules Second-Quarter 2026 Earnings CallMay 8, 2026 | tipranks.comWhat To Expect From RGC Resources Inc (RGCO) Q2 2026 EarningsMay 7, 2026 | finance.yahoo.comRGC Resources, Inc. Reports Second Quarter EarningsMay 6, 2026 | globenewswire.comRGC Resources, Inc. Schedules Second Quarter 2026 Earnings CallApril 24, 2026 | globenewswire.comRGC Resources Inc (RGCO) Shares Fall 3.5% -- What GF Score of 75 Tells InvestorsApril 11, 2026 | gurufocus.comRGC Resources declares $0.2175 dividendApril 1, 2026 | msn.comRGC Resources, Inc. Declares Quarterly DividendMarch 31, 2026 | globenewswire.comRGC Resources Reports Lower Q1 Earnings Amid Cost PressuresFebruary 22, 2026 | theglobeandmail.comWe Like These Underlying Return On Capital Trends At RGC Resources (NASDAQ:RGCO)February 11, 2026 | finance.yahoo.comRGC Resources Inc (RGCO) Q1 2026 Earnings Call Highlights: Steady Growth Amidst Weather ChallengesFebruary 10, 2026 | finance.yahoo.comRGC Resources Schedules Q1 2025 Results Conference CallFebruary 10, 2026 | tipranks.comRGC Resources, Inc. Reports First Quarter 2026 EarningsFebruary 5, 2026 | globenewswire.comRGC Resources (RGCO) price target decreased by 10.67% to 23.05February 4, 2026 | msn.comRGC Resources refreshes board and appoints new leadershipJanuary 28, 2026 | tipranks.comNew MarketBeat Followers Over TimeMedia Sentiment Over TimeOPTT, PCYO, MNTK, and RGCO Company DescriptionsMontauk Renewables NASDAQ:MNTK$1.69 -0.03 (-1.74%) Closing price 04:00 PM EasternExtended Trading$1.69 0.00 (0.00%) As of 07:56 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.Montauk Renewables, Inc., a renewable energy company, engages in recovery and processing of biogas from landfills and other non-fossil fuel sources. It operates in two segments, Renewable Natural Gas and Renewable Electricity Generation. The company develops, owns, and operates renewable natural gas (RNG) projects that captures methane and prevents it from being released into the atmosphere by converting it into either RNG or electrical power for the electrical grid. Its customers for RNG and renewable identification numbers (RIN) include large, long-term owner-operators of landfills and livestock farms, local utilities, and large refiners in the natural gas and refining sectors. Montauk Renewables, Inc. was founded in 1980 and is headquartered in Pittsburgh, Pennsylvania.Ocean Power Technologies NASDAQ:OPTT$0.28 -0.01 (-4.40%) Closing price 04:00 PM EasternExtended Trading$0.29 +0.00 (+0.39%) As of 08:00 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.Ocean Power Technologies, Inc. develops and commercializes proprietary power platforms that generate electricity by harnessing the renewable energy of ocean waves in North America, South America, Australia, and Asia. It offers PB3 PowerBuoy that generates power for use independent of the power grid in offshore locations. The company also provides Next Generation PowerBuoy; subsea battery systems; and software, controls, sensors, integration services, and marine installation services. In addition, it offers Wave Adaptive Modular Vessel (WAM-V) technology, which enables roaming capabilities for uncrewed maritime systems in waters; leases WAM-V robotics and access information; maritime domain awareness solutions; and strategic consulting services. Further, the company provides offshore data collection, integration, analytics, and real time communication for various applications. It serves public and private entities, and agencies that require remote offshore power. Ocean Power Technologies, Inc. was incorporated in 1984 and is headquartered in Monroe Township, New Jersey.Pure Cycle NASDAQ:PCYO$10.61 +0.21 (+2.02%) Closing price 04:00 PM EasternExtended Trading$10.60 -0.01 (-0.09%) 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.Pure Cycle Corporation designs, constructs, operates, and maintains water and wastewater systems in the Denver metropolitan area and Colorado Front Range in the United States. It operates in two segments, Wholesale Water and Wastewater Services, and Land Development. The company engages in the wholesale water production, storage, treatment, and distribution systems; wastewater collection and treatment systems; development of 930-acre master-planned community; oil and gas leasing business; and construction and leasing of single-family homes. It serves domestic, commercial, and industrial customers in the Eastern Denver metropolitan region. Pure Cycle Corporation was incorporated in 1976 and is based in Watkins, Colorado.RGC Resources NASDAQ:RGCO$23.33 +0.86 (+3.83%) Closing price 04:00 PM EasternExtended Trading$23.24 -0.08 (-0.36%) As of 04:13 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.RGC Resources, Inc., through its subsidiaries, operates as an energy services company. It sells and distributes natural gas to residential, commercial, and industrial customers in Roanoke, Virginia, and the surrounding localities. The company also provides various unregulated services. It operates approximately 1,179 miles of transmission and distribution pipeline; and a liquefied natural gas storage facility, as well as owns and operates six metering stations. In addition, it produces biogas. RGC Resources, Inc. was founded in 1883 and is based in Roanoke, Virginia. 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