Low commissions are just the tip of the iceberg when it comes to choosing the best option trading platform. Traders need to consider hidden fees, such as platform fees and data fees. Different traders have different skill levels, trading strategies and needs. Options trading can be complicated, and beginners need to make sure to find a platform with plenty of educational resources and guidance. Advanced traders need to look for professional-grade features and research. Before choosing the right broker, each trader needs to consider his or her trading style and which features are most important in maximizing profitability. Best Low-Cost Broker-Ally Invest.