Investor Glossary O

• OPEX
• OTC
• OTCBB
• Off-The-Run Treasuries
• Office of the Comptroller of the Currency
• Offset
• OneChicago
• On-The-Run Treasuries
• Open Market
• Open Market Operations
• Open-End Fund
• Open Outcry
• Operating Assets
• Operating Budget
• Operating Cash Flow
• Operating Costs
• Operating Expenses
• Operating Income
• Operating Lease
• Operating Leverage
• Operating Revenue
• Opportunity Cost
• Optimal Portfolio
• Option
• Option Adjusted Spread
• Options Clearing Corporation, OCC
• Options On Futures
• Order
• Ordinary Annuity
• Ordinary Shares
• Oscillator
• Out of the Money
• Outsourcing
• Over-The-Counter
• Over-The-Counter Market
• Overbought
• Overdraft
• Overhead
• Overnight
• Overnight Rate
• Oversold