Arms Index (TRIN)
Posted: Sat Jan 19, 2019 7:27 amShort-Term TRading INdex, the Arms Index is a breadth indicator developed by Richard W. Arms in 1967. The index is calculated by dividing the Advance-Decline Ratio by the Advance-Decline Volume Ratio.
Arms Index = (advances / declines) / (advancing_volume / declining_volume);
Typically derived for stocks in this example was modified for forex.
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