Also known as a trading index ( TRIN ) (total up volume )/(total down volume). An advance/decline market indicator. Less than 1.0 indicates bearish demand, while above 1.0 is bullish. The index often is smoothed with a simple moving average .
ARMS INDEX
Meaning of ARMS INDEX in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012