Omnibus Account
What is an Omnibus Account An Omnibus account is a single account that is used to hold securities for multiple clients. The account is maintained...
Oil Services Industry ETF
What is 'Oil Services Industry ETF' A sector exchange-traded fund (ETF) that invests in companies engaged in providing services such as drilling...
Oil Stabilization Fund (Iran)
What is 'Oil Stabilization Fund (Iran)' A government-controlled sovereign wealth fund managed for the government of Iran. The funds deposited with the...
Old-Age And Survivors Insurance Trust Fund
What is 'Old-Age and Survivors Insurance (OASI) Trust Fund' One of the two trust funds managed by the Social Security Administration, the...
Office Of Thrift Supervision (OTS)
What is the Office of Thrift Supervision (OTS)? The Office of Thrift Supervision (OTS) is a federal regulator of savings and loan associations, savings banks,...
One-Cancel-All Order (OCA)
What is 'One-Cancel-All Order (OCA)' A One-Cancel-All (OCA) order is a type of options order that gives the trader the ability to place multiple options...
Odd-Days Interest
What is 'Odd-Days Interest' Interest that is earned from a mortgage or other loan with closed-end installments that contain a nonstandard payment...
Office Audit
What is 'Office Audit' An examination of a taxpayer's records by the Internal Revenue Service to ensure the taxpayer's compliance with tax...