This comment couldn't be further from the truth. You sound like you've read flash boys without reading the rebuttal that shows how it is entirely wrong.

Here let me link it to you: https://www.amazon.com/Flash-Boys-Insiders-Perspective-High-...

I used to work with Peter Kovac, the author of that book, and can personally vouch for his integrity. He's a really humble and stand up guy.