This. For more details, read "Flash Boys: Not So Fast" by Peter Kovac (http://www.amazon.fr/Flash-Boys-Insiders-Perspective-High-Frequency-ebook/dp/B00P0QI2M2 h

This. For more details, read "Flash Boys: Not So Fast" by Peter Kovac (http://www.amazon.fr/Flash-Boys-Insiders-Perspective-High-Frequency-ebook/dp/B00P0QI2M2 http://www.amazon.fr/Flash-Boys-Insiders-Perspective-High-Fr...). Alternatively, Chris Stucchio's blog posts (starting with https://www.chrisstucchio.com/blog/2012/hft_apology.html https://www.chrisstucchio.com/blog/2012/hft_apology.html and https://www.chrisstucchio.com/blog/2012/hft_apology2.html https://www.chrisstucchio.com/blog/2012/hft_apology2.html) work. We have been told so much that HFT were the bad guys by the media that we ended up believing it, but it is more of a scapegoat for the rest of the financial world.