That said, web-based trading platforms built with modern code can match desktop. In this article, we’ll take a look at five of the best stock trading platforms for investors to consider in 2020 and beyond. stocks, ETFs, and options. Choosing the best day trading platform depends on how you want to trade. But once you figure it out, you can choose the option that is best for you. More details: With a desktop trading platform, the base code runs locally on your computer, maximizing speed. The trading platform is one of the fastest ones with tons of customization options. While each one provides unique pros and cons compared to the others. Market data can either be retrieved from the broker in question, or from independent data providers like Thomson Reuters. I have been experiencing a very poor fill prices using thinkorswim.In addition, when which trading platform fills orders the fastest i place a limit order to buy, 1 cent higher than the highest bidder, i am observing, the additional buyers move in at the same price and my order is moved down the order and also see the price jumps additional 3-5 cents - and when i delete the order, the price comes down below my original bid price ---- Based. Leading Review Websites About Thinkorswim Trading Platform "thinkorswim is a fun trading platform to use, with great mobile options. The trading platform is the software used by a trader to see price data from the markets and to place trade orders with a broker. 1 Of the eleven brokers we tested for 2021, hands down, Fidelity offers the best order execution quality.