October Effect
What is 'October Effect' The theory that stocks tend to decline during the month of October. The October effect is considered mainly...
Old Economy
What is the old economy
The old economy is an economic system that is based on traditional industries such as manufacturing and agriculture. This system...
On-Balance Volume (OBV)
What is 'On-Balance Volume (OBV)' On-balance volume (OBV) is a momentum indicator that uses volume flow to predict changes in stock price....
One To Many
What is 'One To Many' A trading platform where all buyers and sellers transact with a sole market operator. Whereas a normal...
Oil Price to Natural Gas Ratio
What is 'Oil Price to Natural Gas Ratio' A mathematical ratio comparing the prices of crude oil and natural gas. In the...
Official Committee Of Equity Security Holders
DefinitionAn Official Committee of Equity Security Holders is a group of shareholders formed to represent a larger group of shareholders' interests in a company's...
Offline Debit Card
What is 'Offline Debit Card' A card that combines characteristics of both a traditional (online) debit card and a credit card, allowing...
Offsetting Transaction
What is an 'Offsetting Transaction' In trading, an activity that exactly cancels the risks and benefits of another instrument in the portfolio....





























