TD Ameritrade was ranked #1 Online Broker 2020 by*. TD Ameritrade charges $0 for regular stock and ETF trades and is best known for its trading platform, thinkorswim, alongside its outstanding learning center for beginners. Alongside #1 Overall, TD Ameritrade received top awards for its trading tools, mobile apps, research, customer service, and education. Full review.

The trading products you can purchase using these platforms can include stocks, commodities, derivatives, bonds etc. which can be traded between the traders on the stock market with intermediates such as investment banks, stock exchanges, brokers and market makers. A communication network is set-up between the various intermediates and the traders, which facilitates proper execution of the whole system.