A clip from CNN on Citadel. Retail traders should be aware of what these guys do.
For years, I have told my members that the stock market nowadays is not the one before year 2000. Back then it was a game without that many mega size hedge funds and bots. Now, we are mainly playing in a eco system with bots driving the flow. There is nothing to be fearful of them though. Bots in aggregation are stupid, predictable and very easy to beat.