Lets assume that from the beggining, a few traders decided to play around with forecast of future price movements based solely on price. They understood that methods calling changes of variables in the future based on the variables already exist, after long. They discovered them in meteorology, calling earth quakes, rain etc.. . Those forecasters uncovered that it is possible to anticipate the most probable changes in a factor based on the nearest states of the factor. Did those methods work from the markets ? Its...