The number of entries that should be opened in one trading in Forex business depends on individual trading strategies, risk tolerance, and market conditions. It's generally recommended to avoid overtrading and focus on high-quality setups that align with the trading plan. Traders should also consider their account size and leverage when opening positions. Opening too many positions at once can increase the risk of losses, while being too conservative may limit profit potential. Ultimately, traders should carefully consider market conditions and their own experience and knowledge when deciding on the number of entries to open in one trading.