[metadat]

I thought RobinHood helped Citadel front run the orders?

See https://www.washingtonpost.com/business/2021/01/29/robinhood...

[ac29]

Payment for order flow is not front running (which is illegal).

[mushbino]

What is the order flow used for?

[colinmhayes]

Citadel believes that they are less likely to lose money when they fill orders from retail investors. They're just paying for access to rubes, basically a finders fee.