The leverage always consider as an important financial tool which an investor should consider when choosing a broker. it always contains risk , so before trading with leverage we the traders have to know how to manage risk , my trading career I always use 1:100 leverage for avoiding risk , but when I can predict the real faction of this market with certainly then I use up to leverage 1:500 that always ensures my trading platform LQDFX. So, my trading life is very much comfortable.