The art of interpreting and depicting a graphical illustration as it relates to investor psychology in relation to the existing condition of the markets. As such, TA should be employed for the sole purpose of commandeering a greater comprehension of the markets’ supply and demand elements which underlay its position at any given time.

This market breadth indicators shows how volume is moving in or out of advancing and declining issues. The calculation is as follows:

TRIN= [(advancing issues/declining issues)/ (volume of advancing issues/ volume of declining issues)]