OEX
Obamanomics
Objective Probability
Obligation
Obsolescence Risk
Obsolete Inventory
Occupancy Fraud
Occupancy Rate
Occupational Labor Mobility
Ocean Bill of Lading
October Effect
Odd Days Interest
Odd Lot
Odd-Lot Theory
Odd-Lotter
Off Balance Sheet
Off Board
Off-Balance-Sheet Financing
Off-Floor Order
Off-Premise Banking
Off-the-Run Treasuries
Off-the-Run Treasury Yield Curve
Offensive Competitive Strategy
Offer
Offer in Compromise (OIC)
Offering
Offering Circular
Offering Memorandum
Offering Price
Office Audit
Office Of Federal Housing Enterprise Oversight (OFHEO)
Office of Foreign Assets Control (OFAC)
Office of Thrift Supervision (OTS)
Office of the Comptroller of the Currency (OCC)
Official Settlement Account
Official Staff Commentary
Official Strike
Offline Transaction
Offset
Offset Mortgage
Offsetting Transaction
Offshore Banking Unit (OBU)
Offshore Mutual Fund
Offtake Agreement
Oil Field
Oil Refinery
Oil Reserves
Oil Sands
Okun's Gap
Okun's Law
Old Economy
Old Lady
Oligopoly
Oligopsony
On Account
On Balance Volume (OBV)
One-Cancels-All (OCA)
One-Cancels-the-Other Order (OCO)
One-Night-Stand Investment
One-Sided Market
One-Stop Shop
One-Way Market
Online Banking
Online Transaction
Open
Open Order
Open Outcry
Opening Bell
Opening Price
Operating Cash Flow (OCF)
Operating Cash Flow Demand (OCFD)
Operating Cash Flow Margin
Operating Cash Flow Ratio
Operating Company/Property Company (Opco Propco)
Operating Cost
Operating Earnings
Operating Expense
Operating Expense Ratio (OER)
Operating Income
Operating Income Before Depreciation and Amortization (OIBDA)
Operating Lease
Operating Leverage
Operating Margin
Operating Netback
Operating Profit
Operating Ratio
Operating Revenue
Opportunity Cost
Option
Option Pricing Theory
Options Backdating
Options Clearing Corporation (OCC)
Options Contract
Oracle of Omaha
Ordinary Dividend
Ordinary Income
Organization for Economic Cooperation and Development (OECD)
Original Cost
Orphan Stocks
Out of the Money (OTM)
Outsourcing
Outstanding Shares
Over the Counter (OTC)
Over the Counter Market (OTCBB)
Overdraft
Overhead
Overnight Rate
Overvalued
Overweight
Owner Financing