Automated Forex System Trading - Maintaining Positive Expect

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Positive expectancy defined in its most simple form, is that on the average, there is a probability Daniel Pessin that you will make more money than you will lose. This article explains positive expectancy, statistically and mathematically and why it is essential to the FOREX trader. It shows in an easy to understand way how trade size, trading costs, win probability and average size of losses all affect positive expectancy and absolutely determine the traders likelihood of profits or loss.