This publication is for short-term traders, i.e. for traders who hold stocks for one to eight days. Short-term trading assumes buying and selling stocks often. After two to four months a trader will have good statistics and he or she can start an analysis of trading results. What are the main questions, which should be answered from this analysis?- Is my trading strategy profitable?- Is my trading strategy safe?- How can I increase the profitability of my strategy and decrease the risk of trading?No doubt it is better to ask these questions before using any trading strategy. We will consider methods of estimating profitability and risk of trading strategies, optimally dividing trading capital, using stop and limit orders and many other problems related to stock trading.