Most traders take price swings personally. They feel very proud when they make money and love to talk about their profits. When a trade goes against them they feel like punished children and try to keep their losses secret. You can read traders’ emotions on their faces.

Many traders believe that the aim of a market analyst is to forecast future prices. The amateurs in most fields ask for forecasts, while professionals simply manage information and make decisions based on probabilities. Take medicine, for example. A patient is brought to an emergency room with a knife sticking out of his chest – and the anxious family members have only two questions: “Will he survive?” and “when can he go home?” They ask the doctor for a forecast.

But the doctor is not forecasting – he is taking care of problems as they emerge. His first job is to prevent the patient from dying from shock, and so he gives him pain-killers and starts an intravenous drip to replace lost blood. Then he removes the knife and sutures damaged organs. After that, he has to watch against infection. He monitors the trend of a patient’s health and takes measures to prevent complications. He is managing – not forecasting. When a family begs for a forecast, he may give it to them, but its practical value is low. (more…)