*stonks intensify*
Step 0: Citadel pays Robinhood for order flow. Citadel gets to see RH's orders a few milliseconds before they're filled. Citadel may choose to front-run some of those trades.
Step 1: RH's customers and WallStreetBets start manipulating $GME. This is happening in the open.
— Toxic (@toxic) January 26, 2021