DEFINITION of 'Toraku Index'
A technical indicator that compares the number of advancing stocks on the Tokyo Stock Exchange to the number that are declining. The result is used by technical traders to determine the likelihood of a market correction.
BREAKING DOWN 'Toraku Index'
This indicator would be classified as a market breadth indicator because it only incorporates the number of advancing and declining issues to determine the broad support of any given move. Other types of breadth indicators include the advance-decline index, cumulative volume index, McClellan oscillator and Haurlan index.