Financial Dictionary abcdefghijklmnopqrstuvwxyz Search for terms: Omnibus Account An account between two brokers, who transact individual futures accounts among them. This is the way to keep identities of account holders hidden. Tweet Related Terms Occupy Wall Street OPRA (Options Price Reporting Authority) Overreaction Original Issue Discount (OID) Outside Director Option Expiration Cycle Oversold Original Margin Open Outcry Outside Financing