| NA NORDIC AMER TANKER | B3O | |
| NG NORMA GROUP N | NOEJ | |
| NG NORTHN GRAPHITE | 0NG | |
| NA NORTH AMERICAN ENER | N5Z | |
| NE NORTH ENERGY | RN2 | |
| NM NORTH MEDIA | 3S8 | |
| NA NORWEGIAN AIR SHUT | NWC | |
| NE NORW ENERGY COMP | CJ1 | |
| NO Note AB | NQA | |
| NR NOVAGOLD RESOURCES | NGR | |
| NM NOVA MEASURING INTR | NMR | |
| NO Novonix Limited | GC3 | |
| NP NPC Inc | 59N | |
| NG NRJ GROUP | NR8 | |
| NS NSK LTD | NSK | |
| NT NTN CORP | NTN | |
| NB NUERNB BETLG -B- | NBG6 | |
| NE NuVista Energy Ltd. | NVG | |
| NH NWS HLDGS | NWS | |
| NC NY COMMTY BANCORP | QC1 | |
| NR NZ REFINING CO | NZR | |
| ND N/N DYNASTY MINERAL | ND3 | |
| OB OBAYASHI | OBA | |
| OH Obrascon Huarte Lain SA | HUA | |
| OG OCADO GROUP | 0OC | |
| OG OCEANA GRP | O1F | |
| OD ODFJELL DRILL | OD3 | |
| O- ODFJELL -A- | O7F | |
| O- ODFJELL -B- | O7F1 | |
| OD OFFICE DEPOT | ODP | |
| OB OFG BANCORP | OFP | |
| OS OIL STATES INTL | OI2 | |
| OH OJI HOLDINGS | OJI | |
| OM OMEROS | 3O8 | |
| OH OMNIA HOLD | OHZ | |
| OH ONWARD HOLDINGS | OWK | |
| OH OPEN HOUSE | O4H | |
| OP OPTION | OINA | |
| OJ ORACLE JAPAN | OCJ | |
| OP Orange Polska SA | TPA1 | |
| OR Orexo AB | C5G | |
| OG Orezone Gold Corporation | OEX | |
| O& Organon & Co. | 7XP | |
| OO ORIENT OVS (INTL) | ORI1 | |
| OE Origin Energy Limited | ORL | |
| OE Origin Enterprises plc | OIZ | |
| OE ORION ENRGY SYS | 5A4 | |
| O- ORION -B- | OFK | |
| OR Orkla ASA | OKL | |
| OM OROSUR MNG | UR2 | |
| OG OSAKA GAS | OSA | |
| OT OSAKA TITANIUM | S5M | |
| OS OSG | OSG | |
| OP Osmotica Pharmaceuticals plc | O1P | |
| OB OTP Bank Nyrt | OTP | |
| OH OTSUKA HLDGS | OS1 | |
| OS Outcrop Silver & Gold Corporation | MRG | |
| OU OUTOKUMPU | OUTA | |
| OH OVB HOLDING | O4B | |
| OG OVOCA GOLD | OVXA | |
| OI OXFORD INSTRUMENTS | OX3 | |
| PB PACIFIC BASIN SHIP | OYD | |
| PB PACIFIC BIO CA | P09 | |
| PA Paion Ag | PA8 | |
| PE Paladin Energy Ltd | PUR | |
| PA PALFINGER | PFI | |
| PM PANORO MINERALS | PZM | |
| PG PANTERRA GOLD | PTJ | |
| PR PANTHEON RESOURCES | P3K | |
| PA PAN AMER SILVER | PA2 | |
| PA PARAGON | PGN | |
| PA PARROT | P2W | |
| PG PAX GLOBAL TECH | P8X | |
| PA PAYPOINT | PAN | |
| PC PCCW Ltd | TH3B | |
| PB PCI BIOTECH HLD | 4QG | |
| P- PEAB -B- | PEKB | |
| PR PEAK RES | M3U | |
| PG PEARL GOLD | 02P | |
| PM PEEL MINING | W5E | |
| PW PEH WERTPAPIER | PEH | |
| PE PENINSULA ENERG | P1M | |
| PN PENN NATL GAMING | PN1 | |
| PE Pensana Plc | 48W | Basic materials |
| PC PENTA-OCEAN CONSTR | PO6 | |
| PM PEPINNINI MINERALS | PMQ | |
| PL PERK LABS INC. O.N. | PKLB | |
| PD PETRA DIAMONDS | FPO | |
| PE PETROLIA | 0PE | |
| PM Petro Matad Limited | HA3 | |
| PH Pexip Holding ASA | 4W9 | |
| PV PFEIFFER VACU TECH | PFV | |
| PP PGE POL GR ENERG | 6PG | |
| PG PHARMING GROUP | PHGN | |
| PS Pharol SGPS S.A. | PTCA | |
| PM PHILIP MORRIS REG | TBK | |
| PA PHOSPHATE AUST | PHO | |
| P& PIAGGIO & C | P1I | |
| PP PICK'N PAY STORES | PIK | |
| PE PIERRE ET VACANCES | PV6 | |