You're right that IEX claims that. However, unfortunately, they are actually worse than the other exchanges in reality: for example: http://tabbforum.com/opinio

You're right that IEX claims that. However, unfortunately, they are actually worse than the other exchanges in reality: for example: http://tabbforum.com/opinions/iex-trading-and-sip-games?print_preview=true&single=true http://tabbforum.com/opinions/iex-trading-and-sip-games?prin...