Earlier quoted context omitted.
> I wonder why giant market-making hedge funds would pay for that order flow... Another tech faustian bargain. It really isn't. They're making money off the spread (eg. $105.01 bid vs $105.02 ask), which exists regardless of PFOF (regulation NMS mandates that the price be better or equal to NBBO). The reason why they want retail flow is that it's mostly "uninformed" and they're less likely to get run over. matt levin…
Former CBOE market maker here. You and the person you're responding to both have valid arguments. The problem is you are choosing only to present the ones that make this situation look good, and he's only insinuating the bad ones. The fact is that this "spread" you speak of is a much more theoretical concept than Matt Levine understands. There is ample liquidity between the bid-ask in 99.9% of markets, and by selling…
AFAIK they have duty of best execution, so they're supposed get the best price irrespective of PFOF. Obviously this conflicts with their own incentives, but that's what the laws are for.
>RobinHood also features various dark patterns that are designed to remove money from the pockets of their users and put it into their own pockets. Off the top of my head, I can list the following:
I'm not a user so I didn't know any of these. Thanks for bringing these up. Informed complaints like these are far better than the "they're front running you!" complaints that people seem to repeat endlessly.