prolly easier to do in markets where your broker isn't working against you (pretty much any market but retail spot fx). i don't know about monthly doubling, that's impossible to sustain for obvious reasons above a certain size. .. but doubling annually is definitely possible, within reason. it will get a lot harder as you grow
trade futs or equities. the odds are bad in retail fx. why handicap urself
trade futs or equities. the odds are bad in retail fx. why handicap urself