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Companies symbols listed in on USA exchanges.

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Name Symbol
O2Micro International Limited OIIM
Oakley Capital Investments Ltd. (DI) OCI.L
Oaktree Acquisition Corp - Ordinary Shares - Class A OAC
Oaktree Capital Group LLC Class A Units Representing Limited Liability Company Interests OAK
Oaktree Specialty Lending Corporation OCSL
Oaktree Strategic Income Corporation OCSI
Oak Valley Bancorp (CA) OVLY
Oasis Midstream Partners LP Representing Limited Partner Interests OMP
Oasis Petroleum Inc. OAS
Obalon Therapeutics Inc. OBLN
Obsidian Energy Ltd OBE.T
Obsidian Energy Ltd. OBE
Ocado Group OCDO.L
Occidental Petroleum Corporation OXY
OceanaGold Corporation OGC.T
Ocean Bio-Chem Inc. OBCI
Oceaneering International Inc. OII
OceanFirst Financial Corp. OCFC
Ocean Power Technologies Inc. OPTT
Ocean Wilsons Holdings Ltd. OCN.L
Och-Ziff Capital Management Group LLC Class A SCU
Oconee Federal Financial Corp. OFED
Octagonal OCT.L
Octopus AIM VCT 2 OSEC.L
Octopus Apollo VCT OAP3.L
Ocular Therapeutix Inc. OCUL
Ocwen Financial Corporation OCN
Odonate Therapeutics Inc. ODT
Odyssey Marine Exploration Inc. OMEX
Office Depot Inc. ODP
Office Properties Income Trust OPI
OFG Bancorp OFG
OFS Capital Corporation OFS
OFS Credit Company Inc. OCCI
OGE Energy Corporation OGE
OHA Investment Corporation OHAI
Ohio Valley Banc Corp. OVBC
Oil-Dri Corporation Of America ODC
Oilex Ltd. OEX.L
Oil States International Inc. OIS
Oi S.A. American Depositary Shares (Each representing 1) OIBR.C
Okta Inc. OKTA
OKYO Pharma Limited OKYO.L
Old Dominion Freight Line Inc. ODFL
Old Line Bancshares Inc. OLBK
Old Mutual Ltd OMU.L
Old National Bancorp ONB
Old Point Financial Corporation OPOF
Old Republic International Corporation ORI
Old Second Bancorp Inc. OSBC
Olin Corporation OLN
Ollie's Bargain Outlet Holdings Inc. OLLI
Olympia Financial Group Inc OLY.T
Olympic Steel Inc. ZEUS
Omega Diagnostics Group ODX.L
Omega Flex Inc. OFLX
Omega Healthcare Investors Inc. OHI
Omeros Corporation OMER
Omnicell Inc. OMCL
Omnicom Group Inc. OMC
OMNOVA Solutions Inc. OMN
Oncimmune Holdings ONC.L
OncoCyte Corporation OCX
Oncolytics Biotech Inc ONC.T
Oncolytics Biotech Inc. ONCY
Onconova Therapeutics Inc. ONTX
OncoSec Medical Incorporated ONCS
Oncternal Therapeutics Inc. ONCT
On Deck Capital Inc. ONDK
ONE Gas Inc. OGS
ONE Global Equity ETF ONEQ.T
One Liberty Properties Inc. OLP
OneMain Holdings Inc. OMF
One Media IP Group OMIP.L
ONE North American Core Plus Bond ETF ONEB.T
OneSavings Bank OSB.L
OneSmart International Education Group Limited ADS ONE
OneSpan Inc. OSPN
OneSpaWorld Holdings Limited OSW
One Stop Systems Inc. OSS
Onex Corporation ONEX.T
Online Blockchain PLC OBC.L
ON Semiconductor Corporation ON
On The Beach Group OTB.L
OnTheMarket plc OTMP.L
On Track Innovations Ltd OTIV
Ooma Inc. OOMA
OP Bancorp OPBK
Open Text Corporation OTEX.T
Open Text Corporation OTEX
Opera Limited OPRA
Opes Acquisition Corp. OPES
OpGen Inc. OPGN
OPG Power Ventures OPG.L
Opiant Pharmaceuticals Inc. OPNT
Opko Health Inc. OPK
Oppenheimer Holdings Inc. Class A (DE) OPY
Oppenheimer S&P 500 Revenue RWL
Oppenheimer S&P Financials Revenue RWW
Oppenheimer S&P MidCap 400 Revenue RWK
Oppenheimer S&P SmallCap 600 Revenue RWJ
Opsens Inc OPS.T
Optibase Ltd. OBAS
OptiBiotix Health OPTI.L
Optical Cable Corporation OCC
OptimizeRx Corporation OPRX
OptimumBank Holdings Inc. OPHC
OptiNose Inc. OPTN
Optiva Inc OPT.T
Opus Bank OPB
Oracle Coalfields ORCP.L
Oracle Corporation ORCL
Oragenics Inc. OGEN
Oramed Pharmaceuticals Inc. ORMP
Orange ORAN
OraSure Technologies Inc. OSUR
Orbit Garant Drilling Inc OGD.T
Orchard Funding Group ORCH.L
Orchard Therapeutics plc ORTX
Orchid Island Capital Inc. ORC
O'Reilly Automotive Inc. ORLY
Organigram Holdings Inc. OGI
Organogenesis Holdings Inc. ORGO
Organovo Holdings Inc. ONVO
Orgenesis Inc. ORGS
Origin Agritech Limited SEED
Origin Bancorp Inc. OBNK
Origin Enterprises OGN.L
Origo Partners OPP.L
Oriole Resources PLC ORR.L
Orion Energy Systems Inc. OESX
Orion Engineered Carbons S.A OEC
Orion Group Holdings Inc. Common ORN
Oritani Financial Corp. ORIT
Orix Corp Ads IX
Ormat Technologies Inc. ORA
Ormonde Mining ORM.L
Orocobre Limited ORL.T
Orosur Mining Inc OMI.L
Orosur Mining Inc OMI.T
Orrstown Financial Services Inc ORRF
Orthofix International N.V. OFIX
OrthoPediatrics Corp. KIDS
Orvana Minerals Corp ORV.T
Oryx International Growth Fund Ltd. OIG.L
Oryx Petroleum Corporation Limited OXC.T
Oshkosh Corporation (Holding Company)Common Stock OSK
Osirium Technologies OSI.L
Osisko Gold Royalties Ltd OR
Osisko Gold Royalties Ltd OR.T
Osisko Mining Inc OSK.T
OSI Systems Inc. OSIS
Osmotica Pharmaceuticals plc OSMT
Ossen Innovation Co. Ltd. OSN
Otelco Inc. OTEL
Otonomy Inc. OTIC
Ottawa Bancorp Inc. OTTW
Otter Tail Corporation OTTR
Outlook Therapeutics Inc. OTLK
Overseas Shipholding Group Inc. Class A OSG Inc. OSTK
Ovid Therapeutics Inc. OVID
Ovoca Bio plc OVB.L
Owens Corning Inc New OC
Owens-Illinois Inc. OI
Owens & Minor Inc. OMI
Owl Rock Capital Corp - Ordinary Shares ORCC
Oxbridge Re Holdings Limited OXBR
Oxford Biodynamics OBD.L
Oxford Biomedica OXB.L
Oxford Immunotec Global PLC OXFD
Oxford Industries Inc. OXM
Oxford Instruments OXIG.L
Oxford Lane Capital Corp. OXLC
Oxford Square Capital Corp. OXSQ

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