%b counter-trend system
%b is an indicator that depicts the location of the most recent close price in relation to the bands as well as to what degree it is above or below any of the bands. If the close price is equal to the upper band, %b will be 100% (1). If the close price is equal to the lower band, %b will be 0.0. A %b value of 50% (0.5) means the close price is equal to the medium line (the EMA).
Buy next open when ESD Band Width percentage stays below 0.2 (20%) for 3 days in a row.
Open no more than 3 positions.
Exit at market when ESD Band Width percentage indicator >= 0.8 (80%)