It is more difficult to calculate probabilities as part of investing. You must discover trends and/or identify trends properly you have to discover movements of market. And you also would not have any kind of figures. You cannot express you come with for instance 56 to victory money in active trade. More over every investor estimates the marketplace differently. 1 investor will express that economy is good nevertheless remaining investor will express that the exact same market in identical time is harmful to him. As Well As each may be right since they may have assorted investing ways.