A trading session in Forex may not always have the same level of activity which can be impacted by a number of factors. Traders should know about these all and have to make their plans: Economic news: Major economic announcements can spark massive volatility. Price movements may be heavy so traders are expected to closely watch related economic calendars and take steps ahead of any sharp moves. Market sentiment: These market changes are driven by shifts in sentiment, typically news or geopolitical acts have an effect. One way is to remain updated on worldwide news so that you know the general sentiment. Central bank policy: Changes to interest rates and central bank adjustments can impact trading volume, volatility among other factors. When we understand these policies, that is when our strategies can adapt. Holidays and weekends: Low liquidity and increased spreads due to holidays and weekends. If you can, time your trades to avoid these periods.