cator that shows the relationship between the number of stocks increasingor decreasing in price (advancing/declining issues) and the volumeassociated with stocks increasing or decreasing in price(advancing/declining volume). The index shows whether volume is flowinginto advancing or declining stocks. If more volume is associated withadvancing stocks than declining stocks, the TRIN will be less than 1.0; ifmore volume is associated with declining stocks, the index will be greaterthan 1.0. The formula for TRIN is: