NASDAQ Stocks O Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get two free stocks! Here is a list of NASDAQ Stocks starting with O: OAS – Oasis Petroleum Inc OBAS – Optibase Ltd OBCI – Ocean Bio Chem Inc OBLN – Obalon Therapeutics Inc OBNK – Origin Bancorp Inc OBSV – Obseva Sa OCC – Optical Cable Corp OCCI – Ofs Credit Company Inc OCCIP – Ofs Credit Co. Inc Pfd Ser A OCFC – Oceanfirst Finl Corp OCGN – Ocugen Inc OCSI – Oaktree Strategic Income Corp OCSL – Oaktree Specialty Lending Corp OCUL – Ocular Therapeut ODFL – Old Dominion Freight Line Inc. ODP – Office Depot ODT – Odonate Therapeutics Inc OESX – Orion Energy Syst OFED – Oconee Fed Fin Corp OFIX – Orthofix Intl NV OFLX – Omega Flex Inc OFS – Ofs Capital Corp OFSSI – Ofs Capital Corp 5.95% Notes Due 2026 OFSSL – Ofs Capital Corp 6.375% Notes Due 2025 OFSSZ – Ofs Capital Corp 6.50% Notes Due 2025 OGI – OrganiGram Holdings Incorporated OIIM – O2Micro Intl Ltd OKTA – Okta Inc Cl A OLD – Long-Term Care ETF OLED – Universal Display OLLI – Ollies Bargain CS OMAB – Grupo Aeroportuario OMCL – Omnicell Inc OMER – Omeros Corp OMEX – Odyssey Marine Expl OMP – Oasis Midstream Partners LP ON – On Semiconductor ONB – Old National Bncp ONCS – Oncosec Medical ONCT – Oncternal Therapeutics Inc ONCY – Oncolytics Biotech Inc ONEM – 1Life Healthcare Inc ONEQ – Nasdaq Composite ETF ONEW – Onewater Marine Inc Cl A ONTX – Onconova Therapeutic ONTXW – Onconova Therapeutics Inc ONVO – Organovo Holdings OPB – Opus Bank OPBK – Open Bank OPCH – Option Care Health Inc OPES – Opes Acquisition Corp OPESW – Opes Acquisition Corp WT OPGN – Opgen Inc OPGNW – Opgen Inc WT OPHC – Optimumbank Hlds OPI – Office Properties Income Trust OPINI – Office Properties Income Trust OPK – Opko Health Inc OPNT – Opiant Pharmaceuticals Inc OPOF – Old Point Finl Cp OPRA – Opera Ltd ADR OPRT – Oportun Financial Corp OPRX – Optimizerx Corp OPTN – Optinose Inc OPTT – Ocean Power Tech Inc ORBC – Orbcomm Inc ORGO – Organogenesis Holdings Inc ORGS – Orgenesis Inc ORIC – Oric Pharmaceuticals Inc ORLY – O’Reilly Automotive ORMP – Oramed Pharma ORRF – Orrstown Finl Svcs ORSN – Orisun Acquisition Corp ORSNR – Orisun Acquisition Corp Right ORSNU – Orisun Acquisition Corp Unit ORSNW – Orisun Acquisition Corp WT ORTX – Orchard Therapeutics Plc ADR OSBC – Old Second Bancorp OSIS – O S I Systems Inc OSMT – Osmotica Pharmaceuticals Plc OSN – Ossen Innovation Company OSPN – Onespan Inc OSS – One Stop Systems Inc OSTK – Overstock.com Inc OSUR – Orasure Tech Inc OSW – Onespaworld Holdings Ltd OTEL – Otelco Cl A OTEX – Open Text Cp OTIC – Otonomy Inc OTLK – Outlook Therapeutics Inc OTLKW – Outlook Therapeutics Inc OTTR – Otter Tail Corp OTTW – Ottawa Saving Bcp IL OVBC – Ohio Valley Banc Cp OVID – Ovid Therapeutics Inc OVLY – Oak Valley Bancp CA OXBR – Oxbridge Ord Shrs OXBRW – Oxbridge WT OXFD – Oxford Immunotec OXLC – Oxford Lane Capital OXLCM – Oxford Lane Capital Corp Pfd Ser 2024 OXLCO – Oxford Lane Cap 7.5 OXLCP – Oxford Lane Capital Corp 6.25% Prf Redeem 28/02/ OXSQ – Oxford Square Capital Corp OXSQL – Oxford Square Capital Corp 6.50% Note Due 2024 OXSQZ – Oxford Square Capital Corp 6.25% Notes Due 2026 OYST – Oyster Point Pharma Inc OZK – Bank Ozk Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get two free stocks!