June 2006
Beginner
352 pages
7h 6m
English
Trin, now known as the Arms index, is an abbreviation for TRading INdex. It was developed by Richard Arms as a measure of volume support in the U.S. stock market, but it can be applied to any stock market around the world as long as price and volume data are available.
The formula is simple:
![]()
It seeks to measure whether advancing issues are getting their proportional share of the volume. If there are more advancing issues but more declining volume, the market is weak internally. The index would have a value greater than one in this case. Conversely, a value less than one would be bullish in that advancing issues are getting ...
Read now
Unlock full access