Advance/decline ratio (ADR) - Financial definition
Financial acronyms
The entire acronym collection of this site is now also available offline with this new app for iPhone and iPad.
Concise definition of the term advance/decline ratio
The advance/decline (A/D) line is a technical indicator that measures the breadth of a market. It is calculated by dividing the number of shares that closed higher against the number of shares that closed lower than their previous day's closing prices.