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Re:Robinhood stock trading app confirms $110M raise at $1.3B... by brianwawok on Wednesday April 26, 2017 @11:10AM (#14203601)
Well, I don't think this is a legal use of order flow (waiting days to make a purchase), but the analogy is kinda sorta on the right path.

Reality is more like "I know an order for NVIDIA is going to hit at $50, but I see it for sale for 49.9998 all over the place, I can go scoop some up at 49.9998 and put for sale at 49.9999 and make some money.

But then real reality is a step more complicated about when it is legal to do this vs not (front running is not legal, but things that are similar can be), and dark pool vs not, and you are way past what I know ;)

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by jnordwick on Wednesday April 26, 2017 @11:31AM (#14203818)
Front running would be going the same direction (buy for buy).

In buying order flow, you are usually going in the opposite direction, selling out of you own inventory against a buy.

Re:Robinhood stock trading app confirms $110M raise at $1.3B... by brianwawok on Wednesday April 26, 2017 @11:46AM (#14204000)
There you go :)
Re:Robinhood stock trading app confirms $110M raise at $1.3B... by appetizer on Wednesday April 26, 2017 @02:05PM (#14205429)
not illegal use of order flow