• O Realty Income Corp (NYSE)
• OA Orbital ATK Inc (NYSE)
• OAK Oaktree Capital Group Units Class A (NYSE)
• OAS Oasis Petroleum (NYSE)
• OBAS Optibase Ltd (NASDAQ)
• OBMHWO22';^(#$!@#$)(()))****** Data not available
• OBMHWO22';IF(NOW()=^(#$!@#$)(()))****** Data not available
• OCGN OCUGEN, INC. (NASDAQ)
• OCN Ocwen Financial Corp (NYSE)
• ODP Office Depot Inc (NYSE)
• OGEN Oragenics Inc (Amex)
• OGI ORGANIGRAM HOLDINGS INC. (NASDAQ)
• OGXI OncoGenex Pharmaceuticals Inc (NASDAQ)
• OHI Omega Healthcare Investors Inc (NYSE)
• OI Owens-Illinois Inc (NYSE)
• OIH Oil Services HOLDRs (NYSE)
• OII Oceaneering International Inc (NYSE)
• OIL iPath S&P GSCI Crude Oil TR Index ETN (AMEX)
• OIS Oil States International Inc (NYSE)
• OKE Oneok Inc (NYSE)
• OLO PowerShares DB Crude Oil Long ETN (AMEX)
• OMC Omnicom Group Inc (NYSE)
• OMER Omeros Corp (NASDAQ)
• ONCT ONCTERNAL THERAPEUTICS, INC. (NASDAQ)
• ONTY Oncothyreon Inc (NASDAQ)
• ONVO Organovo Holdings Inc (OTCOTHER)
• OPEN OpenTable Inc (NASDAQ)
• OPK OPKO Health Inc (NYSE)
• OPTT Ocean Power Technologies Inc (NASDAQ)
• OPWR OPOWER Inc (NYSE)
• OPXA Opexa Therapeutics Inc (NASDAQ)
• ORBK Orbotech Ltd (NASDAQ)
• ORCL Oracle Corp (NASDAQ)
• OREX Orexigen Therapeutics (NASDAQ)
• ORPH Orphazyme A/S (NASDAQ)
• ORRF Orrstown Financial Services Inc (NASDAQ)
• OSBC Old Second Bancorp Inc (NASDAQ)
• OSCR OSCAR HEALTH, INC. (NYSE)
• OSG Overseas Shipholding Group Inc (NYSE)
• OSIS OSI Systems Inc (NASDAQ)
• OSK Oshkosh Corp (NYSE)
• OSTK OVERSTOCK.COM, INC. (NASDAQ)
• OTMN O.T. Mining Corp (OTCOTHER)
• OVTI Omnivision Technologies Inc (NASDAQ)
• OXGN Oxigene Inc (NASDAQ)
• OXM OXFORD INDUSTRIES INC (NYSE)
• OXY Occidental Petroleum Corp (NYSE)
• OZRK Bank of the Ozarks Inc (NASDAQ)