Because of the large number of factors involved, we cannot give a definitive answer to your question. Those factors relate to the trading environment, and also involve your Risk/Reward preferences. MetaTrader terminals all have a Strategy Tester built in, and ForexGM is designed to work well with it. We recommend you become familiar with the Strategy Tester, and experiment with the various parameters to determine a scenario that best suits your situation.
Because of the large number of factors involved, we cannot give a definitive answer to your question. Those factors relate to the trading environment, and also involve your Risk/Reward preferences. MetaTrader terminals all have a Strategy Tester built in, and ForexGM is designed to work well with it. We recommend you become familiar with the Strategy Tester, and experiment with the various parameters to determine a scenario that best suits your situation.