The order of the purchase or sale of a financial instrument (e.g. currency) at the current market price.

A person who normally quotes both the buy and sell prices.

The Market Facilitation Index is created to evaluate the market willingness to move the price. The absolute values of the indicator have no practical use therefore the dynamics of their changes is considered relative to the dynamics of the volume change.

Market capitalization (market cap) is the market value of a company, market or sector at a point in time commonly used to rank relative size.