Visit this site http://www.theforexguy.com/how-to-draw-support-and-resistance/ for more information on Forex Support and Resistance. Forex Support and Resistance make up the major boundaries of ranging markets, when a market is range bound the only levels you really need to have marked out is the upper resistance ceiling and the lower support floor of the range. It is recommend to only trade price action signals from these 2 levels, short signals at range resistance and long signals at the range support.