A forex trading journal will become your best friend when trading. To assist control their emotions, remove them from their trading, and monitor the effectiveness of technical setups, every professional trader should keep a log of their trades. One of the biggest errors forex traders can make is trading out of emotion. Your journal will develop alongside you over time, and if you keep thorough records on all aspects of your forex trading (including psychological issues, the market environment, system tweaks, etc.), it will aid you in identifying significant news, price points, entry levels, resistance/support levels, etc.