To optimize your position size, you need to consider your risk tolerance, your trading strategy, and the market conditions. Your risk tolerance is the amount of money you are willing to lose on each trade. It depends on your personality, your experience, and your financial situation. Your trading strategy is the set of rules and criteria that guide your entry and exit decisions. It depends on your trading style, your time horizon, and your market analysis. The market conditions are the factors that affect the price movements and trends of the assets you trade. They depend on the supply and demand, the news and events, and the technical indicators.
One way to optimize your position size is to use the ATR method, which involves using the average true range (ATR) indicator to measure the volatility of the market. The ATR is a technical indicator that shows the average range of price movement over a given period of time. It can help you adjust your position size according to the market volatility. For example, if you have a $10,000 account and you risk 2% per trade, your position size would be $200. However, if the ATR of the asset you trade is $2, you can divide your position size by the ATR to get the number of shares or contracts to trade. In this case, you would trade 100 shares or contracts ($200 / $2).