Choosing the right trading platform is critical for anyone looking to buy and sell stocks, bonds, ETFs and other investments. With so many options, it can be challenging to identify the best online brokers that offer a winning combination of low fees, tools, and customer service. Investopedia conducted extensive research to rank the top trading platforms in 2023. Their analysis weighed factors like trading costs, investment selection, research capabilities, ease of use and mobile experience to see which brokers came out on top.