Dec 12, 2017 · Charges for data, research, and tools: All the best online stock trading sites have quality market data like real-time quotes, educational resources, and stock-screening tools built right into their platforms. But some, like Fidelity and TD Ameritrade, stand out for also providing top-shelf resources, totally free of charge. The Best Forex Trading Platforms - Reviews.com Jan 15, 2020 · This is an incredible feature for experienced traders and one of the many reasons Ally Invest is our top pick for the best Cheap Online Stock Trading. User-friendly platform. One of the best parts about Ally’s trading platform: the intuitiveness of its layout and functions.