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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:CYAN NASDAQ:OKYO OTCMKTS:OPTI 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 VolumeCYANCyanotech$0.30$3.01$2.37▼$6.29$2.16M-0.113,483 shs101 shsOKYOOKYO Pharma$2.64-1.1%$2.69$0.85▼$3.35$100.42M-0.09159,605 shs78,229 shsOPTIOptec International$0.00+25.0%$0.00$0.00▼$0.00$23KN/A1.07 million shs1.01 million shsBeginner's Guide To Retirement StocksEnter your email address and we'll send you MarketBeat's list of seven best retirement stocks and why they should be in your portfolio. Get This Free ReportCompare Price PerformanceCompany1-Day Performance7-Day Performance30-Day Performance90-Day Performance1-Year PerformanceCYANCyanotech-15.64%-22.56%-27.92%-24.50%-53.53%OKYOOKYO Pharma-1.12%-16.46%-4.00%+78.38%+164.03%OPTIOptec International+25.00%+53.85%+33.33%+11.11%+233.33%Compare MarketRank™CompanyOverall ScoreAnalyst's OpinionShort Interest ScoreDividend StrengthESG ScoreNews and Social Media SentimentCompany OwnershipEarnings & ValuationCYANCyanotechN/AN/AN/AN/AN/AN/AN/AN/AOKYOOKYO Pharma3.079 of 5 stars3.55.00.00.02.91.70.0OPTIOptec InternationalN/AN/AN/AN/AN/AN/AN/AN/ACompare Analyst ForecastsCompanyConsensus Rating ScoreConsensus RatingConsensus Price Target% Upside from Current PriceCYANCyanotech 0.00N/AN/AN/AOKYOOKYO Pharma 3.00Buy$7.00165.15% UpsideOPTIOptec International 0.00N/AN/AN/ACurrent Analyst Ratings BreakdownCompare Sales & Book ValueCompanyAnnual RevenuePrice/SalesCashflowPrice/CashBook ValuePrice/BookCYANCyanotech$23.07M0.09N/AN/A$1.33 per share0.23OKYOOKYO PharmaN/AN/AN/AN/A($0.16) per shareN/AOPTIOptec InternationalN/AN/AN/AN/AN/AN/ACompare Profitability & EarningsCompanyNet IncomeEPSTrailing P/E RatioForward P/E RatioP/E GrowthNet MarginsReturn on Equity (ROE)Return on Assets (ROA)Next Earnings DateCYANCyanotech-$5.27M-$0.66N/A∞N/A-19.50%-44.71%-19.12%N/AOKYOOKYO Pharma-$4.71MN/A0.00N/AN/AN/AN/AN/AN/AOPTIOptec InternationalN/AN/A0.00∞N/AN/AN/AN/AN/ACompare DividendsCompanyAnnual PayoutDividend Yield3-Year Dividend GrowthPayout RatioYears of Consecutive GrowthCYANCyanotechN/AN/AN/AN/AN/AOKYOOKYO PharmaN/AN/AN/AN/AN/AOPTIOptec InternationalN/AN/AN/AN/AN/ACompare DebtCompanyDebt-to-Equity RatioCurrent RatioQuick RatioCYANCyanotech0.111.060.28OKYOOKYO PharmaN/A0.400.40OPTIOptec InternationalN/AN/AN/ACompare OwnershipInstitutional OwnershipCompanyInstitutional OwnershipCYANCyanotech24.40%OKYOOKYO Pharma2.97%OPTIOptec InternationalN/AInsider OwnershipCompanyInsider OwnershipCYANCyanotech29.10%OKYOOKYO Pharma40.46%OPTIOptec International50.34%Compare Miscellaneous StatsCompanyEmployeesShares OutstandingFree FloatOptionableCYANCyanotech957.16 million5.07 millionNot OptionableOKYOOKYO Pharma737.61 million22.39 millionNot OptionableOPTIOptec International111.65 millionN/ANot OptionableOPTI, PHE, CYAN, and OKYO HeadlinesRecent News About These CompaniesOptec International, Inc. (OPTI) - Yahoo FinanceJuly 13, 2025 | finance.yahoo.comOptec International Inc.May 23, 2025 | barrons.comOptec Technology Ltd.April 29, 2025 | optics.orgONew Optec CEO Updates ShareholdersJanuary 16, 2025 | globenewswire.comNew Optec CEO Updates ShareholdersJanuary 16, 2025 | prismmediawire.comPGlobal Optical Current Transformer Market Size Forecasted to Surpass USD 353.0 Million Valuation by 2033, Surging at 8.4% CAGRNovember 14, 2024 | fmiblog.comFSITC International Expands Fleet with New Vessel OrdersOctober 30, 2024 | markets.businessinsider.comAston University researcher develops new optical technique that could revolutionise medical diagnosticsOctober 25, 2024 | eurekalert.orgEbit.bio Wins Landmark Patent Defence for Groundbreaking opti-ox™ Cell Programming TechnologyOctober 16, 2024 | standard-journal.comSOptical illusion psychology test: What you see first reveals if you are optimist or too cautious in lifeOctober 4, 2024 | timesofindia.indiatimes.comOpti Digital Welcomes Guillem Fiter as Chief Marketing OfficerSeptember 17, 2024 | exchangewire.comEOGP exhibiting exciting lineup of metrology systems at IMTS 2024September 5, 2024 | insights.globalspec.comIAndersen Global Enters Japan with the Collaborating Firm OptiAugust 30, 2024 | tmcnet.comThe Optical Women’s Association Announces Global Connection Event at Silmo ParisAugust 29, 2024 | invisionmag.comIOptical Communication and Networking Equipment Market to Reach $54.0 Billion, Globally, by 2032 at 8.7% CAGR: Allied Market ResearchAugust 20, 2024 | tmcnet.comEngineers bring efficient optical neural networks into focusAugust 14, 2024 | sciencedaily.comSOptical navigation tech could streamline planetary explorationAugust 7, 2024 | msn.comIso-propagation vortices: optical multiplexing for unprecedented information capacityMay 17, 2024 | eurekalert.orgEIDTechEx Release New Global Optical & Radio Frequency Metamaterials Market ReportMay 13, 2024 | tmcnet.comGlobal Optical Coherence Tomography IndustryMay 6, 2024 | fmiblog.comFNew MarketBeat Followers Over TimeMedia Sentiment Over Time Top HeadlinesView All HeadlinesRocket Lab: A Parabolic Run Meets a Healthy PullbackBy Ryan Hasson | July 23, 2025Palantir Bulls and Bears Set for an August Showdown By Chris Markoch | July 22, 2025Applied Digital: Why a Surge in Bullish Bets Signals a New Era By Jeffrey Neal Johnson | August 5, 2025CSX Stock Rally: Strong Options Flow, Analyst Price TargetsBy Jeffrey Neal Johnson | July 18, 2025CrowdStrike Stock Slides—Is Growth Momentum Tapping Out?By Chris Markoch | August 7, 2025OPTI, PHE, CYAN, and OKYO Company DescriptionsCyanotech NASDAQ:CYANCyanotech Corp. engages in the cultivation, production, and sale of natural products derived from microalgae for the health and human nutrition markets worldwide. Its products include BioAstin Hawaiian Astaxanthin, a dietary antioxidant, which is used as a human dietary supplement and dietary ingredient to support and maintain the body's natural inflammatory response, enhance skin, and support eye, joint, and immune health; and Hawaiian Spirulina Pacifica, a nutrient-rich dietary supplement that is used for extra energy, a strengthened immune system, cardiovascular benefits, and as a source of antioxidant carotenoids. The company was founded by Gerald R. Cysewski in 1983 and is headquartered in Kailua-Kona, HI.OKYO Pharma NASDAQ:OKYO$2.64 -0.03 (-1.12%) Closing price 08/14/2025 03:53 PM EasternExtended Trading$2.64 +0.00 (+0.19%) As of 08/14/2025 07:16 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.OKYO Pharma Limited, a clinical-stage biopharmaceutical company, engages in developing therapeutics for patients suffering from inflammatory eye diseases and ocular pain in the United Kingdom. Its lead preclinical product candidate is OK-101, which is in Phase II clinical trials for the treatment of dry eye disease. The company is also developing OK-201, a bovine adrenal medulla, lipidated-peptide preclinical analogue candidate for the treatment of neuropathic chronic pain. The company was incorporated in 2007 and is headquartered in London, the United Kingdom.Optec International OTCMKTS:OPTI$0.0020 +0.00 (+25.00%) As of 08/14/2025 03:52 PM EasternOptec International, Inc. engages in selling and marketing optimized fuel maximizer units in North America and internationally. It markets optimized fuel maximizer for passenger vehicles, intermediate/medium duty trucks, off-road equipment, generator systems, heavy duty diesel on-road vehicles, and transportation refrigeration units. The company was formerly known as Green Meadow Products, Inc. and changed its name to Optec International, Inc. in August 2017. Optec International, Inc. was founded in 2012 and is based in Carlsbad, California. 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