Arms Short-Term Trading Index

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Arms Short-Term Trading Index

Also called TRIN. In technical analysis, a measure of the strength of short-term market movements. It is calculated thusly:

TRIN = (Advancing securities / Declining securities) / (Volume of advancing securities / Volume of declining securities)

A TRIN measure below 1 indicates that there are more advancing securities on higher volume and is therefore a bullish indicator. A TRIN above 1 indicates the opposite and is thought to be bearish.
Farlex Financial Dictionary. © 2012 Farlex, Inc. All Rights Reserved

Arms Short-Term Trading Index (TRIN)

A short-term technical index that indicates the strength of the volume of advancing stocks relative to that of declining stocks. TRIN is calculated as advances/declines / up volume/down volume An index reading of greater than one indicates more activity in declining stocks.
Wall Street Words: An A to Z Guide to Investment Terms for Today's Investor by David L. Scott. Copyright © 2003 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved. All rights reserved.
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