Investors and traders have a wide variety of online stock brokers to choose from. Some stock brokers feature highly advanced and sophisticated stock trading platforms while others provide simple and intuitive stock trading platforms. Nevertheless, there are plenty of options to choose from when selecting a viable online stock broker to trade with, but traders must know which one to choose. Therefore, it’s important to analyze all aspects of a stock broker and look into their tradeable products, commissions and fees, security measures, regulation, deposit and withdrawal methods, and more. As well, before selecting an online stock broker, it’s important to understand what exactly a stock broker is and how they work.