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Companies symbols listed in on USA exchanges.

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Companies

Name Symbol
O2Micro International Limited OIIM
Oakley Capital Investments Ltd. (DI) OCI.L
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
Oasmia Pharmaceutical AB OASM
Obalon Therapeutics Inc. OBLN
ObsEva SA OBSV
Obsidian Energy Ltd. OBE
Obtala Resources Ltd OBT.L
Ocado Group OCDO.L
Occidental Petroleum Corporation OXY
Ocean Bio-Chem Inc. OBCI
Oceaneering International Inc. OII
OceanFirst Financial Corp. OCFC
Ocean Power Technologies Inc. OPTT
Ocean Rig UDW Inc. ORIG
Ocean Wilsons Holdings Ltd. OCN.L
Och-Ziff Capital Management Group LLC Class A Shares representing Class A limited liability company interests OZM
Oclaro Inc. OCLR
Oconee Federal Financial Corp. OFED
Octagonal OCT.L
Octopus AIM VCT OOA.L
Octopus AIM VCT 2 OSEC.L
Octopus Apollo VCT OAP3.L
Octopus Titan VCT OTV2.L
Octopus VCT 3 OCV3.L
Octopus VCT 4 OCV4.L
Ocular Therapeutix Inc. OCUL
Ocwen Financial Corporation OCN
Odonate Therapeutics Inc. ODT
Odyssey Marine Exploration Inc. OMEX
Office Depot Inc. ODP
OFG Bancorp OFG
OFS Capital Corporation OFS
OGE Energy Corporation OGE
OHA Investment Corporation OHAI
Ohio Valley Banc Corp. OVBC
Ohr Pharmaceutical Inc. OHRP
Oil-Dri Corporation Of America ODC
Oil States International Inc. OIS
Oi S.A. American Depositary Shares (Each representing 1) OIBR.C
Okta Inc. OKTA
Old Dominion Freight Line Inc. ODFL
Old Line Bancshares Inc. OLBK
Old Mutual OML.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
Olympic Steel Inc. ZEUS
Omega Diagnostics Group ODX.L
Omega Flex Inc. OFLX
Omega Healthcare Investors Inc. OHI
Omeros Corporation OMER
OMG OMG.L
Omnicell Inc. OMCL
Omnicom Group Inc. OMC
OMNOVA Solutions Inc. OMN
Oncimmune Holdings ONC.L
Oncobiologics Inc. ONS
OncoCyte Corporation OCX
Oncolytics Biotech Inc. ONCY
OncoMed Pharmaceuticals Inc. OMED
Onconova Therapeutics Inc. ONTX
OncoSec Medical Incorporated ONCS
On Deck Capital Inc. ONDK
ONE Gas Inc. OGS
One Horizon Group Inc. OHGI
One Liberty Properties Inc. OLP
One Madison Corporation Class A OMAD
OneMain Holdings Inc. OMF
One Media IP Group OMIP.L
ONEOK Inc. OKE
OneSavings Bank OSB.L
OneSmart International Education Group Limited ADS ONE
OneSpan Inc. OSPN
One Stop Systems Inc. OSS
Oneview Group ONEV.L
ON Semiconductor Corporation ON
On The Beach Group OTB.L
On Track Innovations Ltd OTIV
Ooma Inc. OOMA
OP Bancorp OPBK
Open Text Corporation OTEX
Opera Limited OPRA
Opes Acquisition Corp. OPES
OpGen Inc. OPGN
OPG Power Ventures OPG.L
Ophir Energy OPHR.L
Ophthotech Corporation OPHT
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
Optibase Ltd. OBAS
OptiBiotix Health OPTI.L
Optical Cable Corporation OCC
OptimizeRx Corporation OPRX
OptimumBank Holdings Inc. OPHC
OptiNose Inc. OPTN
Opus Bank OPB
Oracle Coalfields ORCP.L
Oracle Corporation ORCL
Oragenics Inc. OGEN
Oramed Pharmaceuticals Inc. ORMP
Orange ORAN
OraSure Technologies Inc. OSUR
ORBCOMM Inc. ORBC
Orbotech Ltd. ORBK
Orchard Funding Group ORCH.L
Orchid Island Capital Inc. ORC
Orchids Paper Products Company TIS
O'Reilly Automotive Inc. ORLY
Organovo Holdings Inc. ONVO
Orgenesis Inc. ORGS
Orient Telecoms ORNT.L
Origin Agritech Limited SEED
Origin Bancorp Inc. OBNK
Origo Partners OPP.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
Orrstown Financial Services Inc ORRF
Orthofix International N.V. OFIX
OrthoPediatrics Corp. KIDS
Oryx International Growth Fund Ltd. OIG.L
Oshkosh Corporation (Holding Company)Common Stock OSK
Osiris Therapeutics Inc. OSIR
Osirium Technologies OSI.L
Osisko Gold Royalties Ltd OR
OSI Systems Inc. OSIS
Osprey Energy Acquisition Corp. OSPR
Ossen Innovation Co. Ltd. OSN
Otelco Inc. OTEL
Otonomy Inc. OTIC
Ottawa Bancorp Inc. OTTW
Otter Tail Corporation OTTR
OUTFRONT Media Inc. OUT
OvaScience Inc. OVAS
Overseas Shipholding Group Inc. Class A OSG
Overstock.com Inc. OSTK
Ovid Therapeutics Inc. OVID
Owens Corning Inc New OC
Owens-Illinois Inc. OI
Owens & Minor Inc. OMI
Owens Realty Mortgage Inc. ORM
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
Oxford Technology 3 VCT OTT.L
Oxford Technology 4 Venture Capital Trust OXF.L

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