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Stock Market - Market Makers List, Starting with the Letter O
Level2StockQuotes.com - Features a market makers directory list starting with the letter O. Each Market Maker competes for customer order flow by displaying buy and sell quotations for a guaranteed number of shares.
Market Makers A-Z List: A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - XYZ

Info: Scroll down until you find the Market Makers information you are looking for.
Legend: MPID | MP Type | Name | Location | Telephone | NASDAQ Member | FINRA Member | NASDAQ BX Member | PSX Participant
MP Type: A = Agency Quote, C = Electronic Communications Network (ECN), E = Exchange, M = Market Maker, N = Miscellaneous, O = Order Entry Firm, P = NASDAQ Participant, Q = Query Only Firm, S = Specialist
Note: For more detailed Legend information see our Market Makers List..

Market Makers, O List:
Free Level 2 Stock Quotes
OAKF | P | North Sea Securities L.P. | | | N | Y | N | N
OAKR | P | THE OAK RIDGE FINANCIAL SERVICES GROUP, INC. | | | N | Y | N | N
OAKW | P | KNBT Securities, Inc. | | | N | N | N | N
OBDS | P | OBD SECURITIES LLC | | | Y | N | N | N
OBDX | P | ABN AMRO CLEARING CHICAGO LLC | | | Y | Y | Y | Y
OBEX | P | Obex Securities LLC | | | N | Y | N | N
OBTG | N | Oakbrook Investment Brokers, Inc. | | | N | N | N | N
OBWS | P | Oberweis Securities, Inc. | | | N | Y | N | N
OCAP | P | THE ORION CAPITAL GROUP, INC. | | | N | N | N | N
OCEA | M | OCEAN FINANCIAL SERVICES, LLC | | | N | Y | N | N
OCRS | P | OCEANCROSS CAPITAL, LLC | | | N | N | N | N
OCSI | P | OC Securities, Inc. | | | N | N | N | N
ODNC | P | Odeon Capital Group LLC | | | Y | Y | N | N
OESM | P | OES Brokerage Services, L.L.C | | | N | N | N | N
OFCC | N | Oberlin Financial Corporation | | | N | N | N | N
OFGF | N | OFG Financial Services, Inc. | | | N | Y | N | N
OFGL | P | Obsidian Financial Group, LLC | | | N | N | N | N
OFKS | P | FULCRUM SECURITIES, LLC | | | N | Y | N | N
OFSX | P | ABN AMRO CLEARING CHICAGO LLC | | | Y | Y | Y | Y
OGRU | M | Oscar Gruss & Son, Incorporated | NEW YORK NY | 212-943-6400 | Y | Y | N | N
OGRU | M | Oscar Gruss & Son, Incorporated | NASDAQ TRADING | 212-943-6400 | Y | Y | N | N
OGRU | M | Oscar Gruss & Son, Incorporated | ARBITRAGE | 212-943-7616 | Y | Y | N | N
OGRU | M | Oscar Gruss & Son, Incorporated | WARRANTS,CONVERTABLE | 212-943-7610 | Y | Y | N | N
OGRU | M | Oscar Gruss & Son, Incorporated | FIXED-INCOMES | N/A | Y | Y | N | N
OGRU | M | Oscar Gruss & Son, Incorporated | BULLETIN BOARDS | 212-514-2403 | Y | Y | N | N
OGRU | M | Oscar Gruss & Son, Incorporated | | 800-332-2282 | Y | Y | N | N
OHIO | N | FIFTH THIRD SECURITIES, INC. | CINCINATI OH | N/A | N | Y | N | N
OHIO | N | FIFTH THIRD SECURITIES, INC. | NASDAQ/OTCBB TRADING | 513-744-6430 | N | Y | N | N
OHIO | N | FIFTH THIRD SECURITIES, INC. | NASDAQ/OTCBB TRADING | 800-848-0927 | N | Y | N | N
OHIO | N | FIFTH THIRD SECURITIES, INC. | CORPORATE BONDS | 513-744-7186 | N | Y | N | N
OIEN | P | Oien Securities, Inc. | | | N | N | N | N
OLDM | P | OLD MISSION CAPITAL, LLC | | | Y | N | Y | Y
OLMM | N | OLMSTED & MULHALL, INC. | | | N | Y | N | N
OLMP | M | Olympus Securities, LLC | MONTVILLE, NJ | 973-575-1620 | Y | Y | N | N
OLST | P | Olstein & Associates, L.P. | PURCHASE, NY | 914-269-6100 | N | Y | N | N
OMGP | P | Omni Brokerage, Inc. | | | N | N | N | N
OMPA | P | Olympia Asset Management, Ltd. | | | N | Y | N | N
OMSL | P | OPTIONSHOUSE | | | N | Y | N | N
ONEL | O | O'NEIL SECURITIES, INCORPORATED | LOS ANGELES, CA | 310-574-5613 | Y | Y | N | N
OPCO | M | Oppenheimer & Co. Inc. | NEW YORK, NY | 212-422-7813 | Y | Y | N | Y
OPCO | M | Oppenheimer & Co. Inc. | CONVERTIBLE BONDS | 212-668-5764 | Y | Y | N | Y
OPCO | M | Oppenheimer & Co. Inc. | | 800-682-5381 | Y | Y | N | Y
OPCO | M | Oppenheimer & Co. Inc. | NASDAQ/OTCBB TRADING | 212-422-7813 | Y | Y | N | Y
OPCO | M | Oppenheimer & Co. Inc. | LISTED DESK | 212-668-8033 | Y | Y | N | Y
OPCO | M | Oppenheimer & Co. Inc. | INSTITUTIONAL DEPT | 212-943-9055 | Y | Y | N | Y
OPTU | P | Optiver US, LLC | | | Y | N | N | N
OREO | P | Orion Trading, LLC | | | N | Y | N | N
ORTL | N | Oriental Financial Services Corp. | | | N | Y | N | N
OSCO | N | O'Keefe Shaw & Co., Inc. | | | N | N | N | N
OSHN | N | The Agean Group, Inc. | | | N | N | N | N
OTAA | M | OTA LLC | PURCHASE NY | 914-694-5851 | Y | Y | N | N
OTAA | M | OTA LLC | NASDAQ TRADING | 914-694-5851 | Y | Y | N | N
OTAM | P | OTA LLC | | | Y | Y | N | N
OTAS | P | OTA LLC | | | Y | Y | N | N
OTCE | P | OTCEX | | | N | Y | N | N
OTCL | P | OTC LINK LLC | | | N | Y | N | N
OTCM | P | OTC LINK LLC | | | N | Y | N | N
OTCP | P | OTC LINK LLC | | | N | Y | N | N
OTCR | P | OTC LINK LLC | | | N | Y | N | N
OTCT | P | OTCEX LLC | | | N | Y | N | N
OTCX | P | OTC LINK LLC | | | N | Y | N | N
OTFX | P | ABN AMRO CLEARING CHICAGO LLC | | | Y | Y | Y | Y
OTGN | P | Octagon Capital Corporation/CDS | | | N | N | N | N
OTKR | P | OTKRITIE INC. | | | N | Y | N | N
OTRT | P | OTR GLOBAL TRADING LLC | | | Y | Y | N | N
OTUS | P | OLIVETREE FINANCIAL, LLC | Main Line | 203-703-0000 | N | Y | N | N
OXPS | P | Optionsxpress, Inc. | | | N | Y | N | N
Note: Simply select a letter from Market Makers main menu then scroll down to find the market maker and symbol you are looking for from the list above. The data and information provided here is for informational purposes only and all information on featured companies is provided by the companies profiled, or is available from other public sources. Fundamental analysis and stock market technical indicators are your responsibility, do your own research before you invest.