If you try to measure all that criteria manually with any level of accuracy, your window of opportunity for that trade will have closed long before you are able to direct the trade. You will still be scratching numbers and formulas on your yellow legal pad for a long time after your window of opportunity has banged shut.
I do believe which so far never have found every other company because superb as currency trading. I don't think that there is any business in this world that is as excellent as foreign exchange trading.