1) NIFTY Index Advance-Decline count 2) Each session, it reads the number of stock are +Ve or -Ve 3) Whichever the side +Ve or -Ve side moving stock is more than count will be plotted 4) at +/- 25 drawn a dotted line if Count is > = +/-25 Nifty is moving in a strong army
Eg:-
in the current session, 30 Stock is moving in +Ve direction & 10 are in -Ve direction 30 count will be plotted in the chart