It's not without it's glitches, but it's fast. I checked it compared to a really expensive charting site that a friend of mine used and the speed was identical, less than one second from real-time, even though the "expensive" feed was "direct from Chicago" .
Register for free to join our community of investors and share your ideas. You will also get access to streaming quotes, interactive charts, trades, portfolio, live options flow and more tools.