This is What Wall Street's Terrifying Robot Invasion Looks Like

[sonof2ravens]

This is a fascinating graphic on what High Speed Quoting & Trading is doing to our markets.
Oh and it doesn't include the recent crash triggered by Knight Capital's HFT system.



Here are three different articles that discuss this.

http://motherboard.vice.com/2012/8/7/this-is-what-wall-street-s-terrifying-robot-invasion-looks-like

http://blogs.reuters.com/felix-salmon/2012/08/06/chart-of-the-day-hft-edition/

http://www.nanex.net/aqck/2804.HTML